Page 1 Service Maintenance Octavia IV 2020 ➤ Octavia IV 2021 ➤ Edition 12.2020 Service Department. Technical Information...
Page 2 Service Maintenance H e a d i n g 1. General points 2. Inspections 3. Engines 4. Gearbox 5. Chassis 6. Electrical System 7. Body 8. Exhaust-emission analysis 9. Miscellaneous 10. Natural gas system 11. PTI - Periodic Technical Inspection Technical information should always be available to the foremen and mechanics, because their careful and constant adherence to the instructions is essential to ensure vehicle road-worthiness and safety.
Page 3: Table Of Contents
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Contents General points ............
Page 4 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Tightening wheel bolts to specific torque ........
Page 5 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Road test ............. .
Page 6 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Contents...
Page 7: General Points
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 General points (SIGG000277; Edition 12.2020) ⇒ i1.1 dentification number”, page 1 ⇒ p1.2 late”, page 3 ⇒ o1.3 f ŠKODA new vehicles”, page 3 ⇒ h1.4 andover from stock”, page 3 ⇒...
Page 8 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 TMB - other Škoda manufacturing plants 2 - Body type: A - Sedan, left-hand drive, 4x2 B- Sedan, left-hand drive, 4x2 C - Sedan, left-hand drive, 4x4 D - Sedan, right-hand drive, 4x4...
Page 9: Type Plate
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 N - 2022 P - 2023 8 - Manufacturing plant: Y - Mladá Boleslav A - Aurangabad H - Nižnij Novgorod, Gaz L - Relizane, Algeria N - Nižnij Novgorod, Gaz...
Page 10: Additional Customer Information Regarding Inspection And Maintenance
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Additional customer information re‐ garding inspection and maintenance Information regarding the use of vehicles under “severe condi‐ tions”: – It must be pointed out to the customer that the inspection intervals are based on normal operating conditions.
Page 11: Determine The Age Of The Vehicle
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING The service display in the dash panel insert will be controlled worldwide with these numbers. The QG1/QG0 numbers now only control the hardware for maintenance interval extension (including the oil level and oil temperature sender and whether this is/is not present at the oil sump).
Page 12: Inspections
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Inspections ⇒ I2.1 nspection -PDI- (Export)”, page 6 ⇒ I2.2 nspection - domestic (Czech Republic)”, page 8 ⇒ I2.3 nspection (Export)”, page 12 ⇒ 2.4 , page 16 ⇒...
Page 13 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 • Immediately check the newly delivered vehicles for completeness and damage (liquidate the transport damage at the expense of the insurance). For this purpose, compare as-delivered condition of vehicle with order form.
Page 14: Pre-Sales Inspection - Domestic (Czech Republic)
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Pre-sales Inspection - domestic (Czech Republic)
Page 15 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 • Immediately check the newly delivered vehicles for completeness and damage (liquidate the transport damage at the expense of the insurance). For this purpose, compare as-delivered condition of vehicle with order form.
Page 16 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Check the wheel bolts for the specified torque (steel and light alloy wheels 140 Nm), install wheel trim ⇒ w5.7 heel bolts to specific torque”, page 160 caps –...
Page 17 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Check vehicle log book for completion, correct language - all in the vehicle log book pouch ⇒ t1.7 he vehicle log book”, page 5 – Install the footmats and aerial supplied in the vehicle –...
Page 18: Delivery Inspection (Export)
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Delivery Inspection (Export)
Page 19 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 • If the vehicles are not transported onwards within two weeks or delivered to the customer, the “care programme for new and used vehicles” must be carried out ⇒...
Page 20 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Inspections or work to be carried out and noted in the form Chapter – ERA Glonass: check that the emergency call system is ready (only for vehicles with PR number NZ3) ⇒...
Page 21 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Inspections or work to be carried out and noted in the form Chapter – High-voltage battery charging - only applies to PHEV Hybrid vehicles, engine code DGEA ⇒ t6.28 he charging state for the high-voltage battery, charge if required”, page 202...
Page 22: Inspection
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Inspection ⇒ 2.4.1 , page 16 ⇒ o2.4.2 perations”, page 19 2.4.1 Inspection With each inspection: ♦ Check the expiration date of the first aid kit according to valid country-specific regulations.
Page 23 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Deadline for completion ⇒ i2.6 ntervals”, page 25 Work involved Chapter – Check that Škoda Connect services work, enable workshop mode - vehicles with PR num‐ ⇒ C6.24 onnect services”, page 199 ber EL2 and EL5 –...
Page 24 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Work involved Chapter – Engine compartment (from below): check ⇒ e3.3 ngine and parts in the engine compartment for leaks and damage”, page 40 – Front and rear axles: check ⇒...
Page 25 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 2.4.2 Additional operations...
Page 26 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Work involved Maturity according to time or kilometre date Chapter – Change brake fluid Every 2 years ⇒ b5.3 rake fluid”, page 143 – Reduction agent (AdBlue®): Refilling; only at For every service event ⇒...
Page 27 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Work involved Maturity according to time or kilometre date Chapter – Natural gas containers: Replace Every 20 years ⇒ a10.8 nd installing the natural gas tank (or replace)”, page 249...
Page 28 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Additional work - different intervals in countries with reduced fuel quality, »not according to« standard EN 228 or EN 590 Work involved Maturity according to time or kilometre date...
Page 29: Oil Change Service
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Oil change service Deadline for completing the service internal for engine oil change (including engine oil and oil filter) ⇒ i2.6 ntervals”, page...
Page 30 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 For each oil change service: ♦ Check the expiration date of the first aid kit according to valid country-specific regulations. ♦ Ask the customer if he wishes a wiper blade change.
Page 31: Service Intervals
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 service intervals...
Page 32 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Inspection Service-event Maturity during operation with fuels according to Maturity during operation with fuels »not according to« of the EN 228 standard ⇒ o2.7.1 verview standard EN 228 or EN 590 in normal weather and for petrol fuels which do not comply with the EN 228 standard”, page 27...
Page 33: Country Allocation Due To Fuel Quality, Dust Content And Temperature
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Country allocation due to fuel quality, dust content and temperature ⇒ o2.7.1 verview for petrol fuels which do not comply with the EN 228 standard”, page 27 ⇒ o2.7.2 verview for diesel fuels which do not comply with the EN 590 standard”, page 28...
Page 34 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Dubai Lebanon Singapore Ecuador Liberia Somalia El Salvador Libya Sri Lanka Eritrea Madagascar United Arab Emirates Philippines Malawi North Korea Fiji Macau Central African Republic Gabon Malaysia Sudan...
Page 35 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Costa Rica Colombia Peru Venezuela Democratic Republic of Cuba Philippines United Arab Emirates Congo Djibouti Kuwait Puerto Rico Vietnam Dominican Republic Laos Republic of Congo Western Sahara Dubai...
Page 36 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Egypt Liberia Tajikistan Ecuador Macau Tanzania El Salvador Madagascar Thailand Ivory Coast Malawi Togo Eritrea Mali Tunisia Fren. Guyana Morocco Turkey Fiji Mauretania Turkmenistan Philippines Mauritius Uganda Gabon...
Page 37 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Country Spark plug change interval 30 000 km/2 years 20 000 km/2 years 15 000 km/year 10 000 km/year Brunei Burkina Faso (Up‐ per Volta) Burundi Chile China Costa Rica Democratic Repub‐...
Page 38 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Country Spark plug change interval 30 000 km/2 years 20 000 km/2 years 15 000 km/year 10 000 km/year Lebanon Liberia Libya Macau Madagascar Malawi Malaysia Maldives Mali...
Page 39 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Country Spark plug change interval 30 000 km/2 years 20 000 km/2 years 15 000 km/year 10 000 km/year Syria Tajikistan Tanzania Thailand Togo Trinidad and Toba‐ Chad...
Page 40 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Iraq Israel United Arab Emirates Yemen Western Sahara Jordan Central African Republic Kuwait Cameroon Lebanon Libya...
Page 41: Engines
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Engines ⇒ o3.1 verview”, page 35 ⇒ f3.2 itted”, page 37 ⇒ e3.3 ngine and parts in the engine compartment for leaks and damage”, page 40 ⇒ t3.4 oothed belt and tensioning pulley”, page 41 ⇒...
Page 42 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Engine codes DPCA DLAA DJKA DNPA Number of cylinders / valves per cylin‐ 4- 4 4- 4 Petrol engines Engine codes DHFA DFYA DLBA Emission standard EU-6 EU-6 Manufacturing (from...through)
Page 43: Engine Fitted
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Diesel engines Engine codes DSUD DSTB DTUA DTRB Emission standard EU-6 EU-6 EU-6 EU-6 Manufacturing (from...through) 09/19 ... 09/19 ... 10:20 ... 11:20 ... Displacement in litres Output (kW at rpm) 85/2750...4250...
Page 44 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 In addition, there is a sticker with the engine identification char‐ acters and serial number on the timing belt guard/cover for timing chain. 4-cylinder petrol engine TSI, MPI The engine identification char‐...
Page 45 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 3-cylinder petrol engine TSI. The engine identification charac‐ ters are on the crankcase next to the gearbox -arrow-. The engine identification characters and the engine number can still be found on the sticker -arrow- on the toothed belt guard.
Page 46: Inspect Engine And Parts In The Engine Compartment For Leaks And Damage
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Inspect engine and parts in the engine compartment for leaks and damage Note Carry out the corresponding repair procedure on all the de‐ ♦ fects which are found (repair measure).
Page 47: Changing Toothed Belt And Tensioning Pulley
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Changing toothed belt and tensioning pulley – Removing and installing the toothed belt and tension roller ⇒ Rep. gr. 15; Removing and installing the toothed belt drive; removing and installing the toothed belt.
Page 48: Draining Or Suctioning Off Engine Oil And Filling Up With Engine Oil
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Draining or suctioning off engine oil and filling up with engine oil ⇒ t3.7.1 he engine oil for petrol engines”, page 42 ⇒ t3.7.2 he engine oil for diesel engines”, page 45 Special tools and workshop equipment required ♦...
Page 49 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Work procedure for petrol engines with a metal oil pan Drain engine oil at 1st. oil change ⇒ page 43 Drain engine oil from 2nd and any further oil change ⇒...
Page 50 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note The oil drain plug is continued to be used after the 1st oil change. – Collect the flowing out oil in a suitable vessel. Note Observe the disposal instructions! –...
Page 51 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING Do not tighten the plastic drain plug “too much”, in order to avoid damaging or breaking the stop of the plastic drain plug as well as damage to the oil pan which can cause oil leakage! Check the plastic drain plug for tightness after a road test.
Page 52 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Unscrew oil drain plug at the oil filter cap and drain the engine oil out of the oil filter ⇒ o3.9.3 il filter insert for diesel engines”, page 55 –...
Page 53: Vw Engine Oil Standards, Oil Filling Quantity
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note The oil level must not be above the -max- marking to avoid damage to the catalytic converter ⇒ e3.6 ngine oil level”, page VW engine oil standards, oil filling quantity ⇒...
Page 54 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 The engine is factory-filled with quality multigrade oil, which can also be used as an all-season oil, except in extremely cold climatic zones. Petrol engines Approximative oil capacity with oil filter change Max. oil capacity after engine repair...
Page 55 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING On Škoda vehicles, the VW standard for engine oils VW 508 00/509 00 has been introduced for some engines. An engine oil according to VW engine oil standard 508 00/509 00 reduces the CO 2 emissions and can reduce fuel consumption.
Page 56 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 The engine is factory-filled with quality multigrade oil, which can also be used as an all-season oil, except in extremely cold climatic zones. Petrol engines Approximative oil capacity with Max.
Page 57 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note The given specifications must be indicated on the can individually or together with other specifications.
Page 58: Replace Engine Oil Filter
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING On Škoda vehicles, a new VW standard for engine oils VW 508 00/509 00 is currently being introduced. An engine oil according to VW engine oil standard 508 00/509 00 reduces the CO 2 emissions and can reduce fuel consumption.
Page 59 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Unscrew oil filter. Install new replacement oil filter – Clean sealing surface at engine. – Lightly moisten the rubber seal of the new filter with oil. – Screw in the new filter and tighten it with the oil filter wrench -3417-.
Page 60 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note Make sure none of the engine oil drops onto the cylinder block or poly V-belt. If necessary, use a cloth. – Remove filter insert -3-. – Drain engine oil ⇒...
Page 61 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Tightening torque Oil filter cover 3.9.3 Replace oil filter insert for diesel en‐ gines Remove replacement oil filter element – Remove the noise insulation. – Disconnect the plug -1- from the trailing pump.
Page 62 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Remove screwed cover -2- with socket insert, SW 32 mm. – Remove filter insert -5-. Note Observe the disposal instructions! Install new replacement oil filter element – Moisten the new O-ring -4- with engine oil and replace filter insert -5-.
Page 63: Cooling System: Check
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Insert the connector -1- for the trailing pump. – After filling with oil, run engine until it is at operating temper‐ ature and inspect for tightness. – Install the noise insulation.
Page 64 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note When inspecting the antifreeze, read off the exact value on ♦ the light/dark boundary shown on the corresponding scale of the refractometer. Before starting the test, let a drop of water drip onto the ♦...
Page 65 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Antifreeze protection of the coolant WARNING Antifreeze protection of the coolant must be ensured down to -25 °C. In countries with an Arctic climate, the antifreeze protection of the coolant must be guaranteed to -35 °C.
Page 66 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 DANGER! Do not use coolant additives that have not been recommen‐ ded by ŠKODA AUTO a.s. Current offer on coolant additives ⇒ electronic catalogue of original parts. WARNING...
Page 67 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – After this, fill the cooling system with concentrated coolant additive depending on the current offer ⇒ Electronic cata‐ logue of original parts. Note The cooling system must be bled with the actuator diagnosis...
Page 68 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Inspection: coolant above the “min marking” -2- – When the coolant level is low, top up the missing amount of coolant according to the mixing ratio ⇒ page 59 WARNING ♦...
Page 69: V-Ribbed Belt: Check Condition
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Inspection – Check frost protection ⇒ a3.10.1 ntifreeze protection, replen‐ ishing coolant additive if necessary”, page 57 Coolant level over “MIN marking” -4-. – Fill with coolant up to the “MAX marking” -2-.
Page 70: Replacing The V-Ribbed Belt
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 ♦ Fraying of cords. ♦ Wear to sides (abrasion of material, frayed sides, hardening of sides, glazed and hardened surfaces). ♦ Traces of oil and grease. ♦ Correct tension.
Page 71: Replace Spark Plugs
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Diesel engines: with air conditioning Crankshaft/vibration damper Tensioning pulley Alternator AC compressor 3.14 Replace spark plugs ⇒ s3.14.1 park plugs - 1.0 l TSI engines”, page 65 ⇒ s3.14.2 park plugs - 1.4 l TSI engines”, page 69 ⇒...
Page 72 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Ignition coil with power output stage Cylinder 2 – Push release button -b- on hose for crankcase ventilation -1- and remove the hose. – Push hose for crankcase ventilation -1- gently to the side.
Page 73 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Undo nuts from the extractor -T10530- and remove from the bore of the ignition coil. – Using the extractor -T10530- remove the other ignition coils out of the camshaft housing in sequence.
Page 74 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Place all ignition coils loosely into the spark plug shafts. – Align the ignition coils so that the fastening screws can be screwed in. – Press ignition coils onto the spark plugs evenly by hand (do not use an impact tool).
Page 75 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Continue for all cylinders – Install air guide pipe ⇒ Rep. gr. 21; Charge-air system. Tightening torque Spark plugs in the cylinder head ⇒ Rep. gr. 28; Ignition system; Summary of compo‐...
Page 76 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Remove ignition coil with extractor -T10530- in -direction of arrow- out of the camshaft housing. – Undo nuts from the extractor -T10530- and remove from the bore of the ignition coil.
Page 77 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Screw in the ignition coils screws -1- and tighten to required tightening torque ⇒ page 71 – Connect connector -2-. – Fit on hose clamps -1- and -2-.
Page 78 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Unscrew the fixing screws -1- of the ignition coils. – Press extractor -T10530- into the bore of the ignition coil -1- as far as it can go.
Page 79 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Unscrew spark plugs with spark plug wrench e. g. -3122B- and remove. – Screw in new spark plugs with spark plug wrench e. g. -3122B- and tighten to tightening torque ⇒...
Page 80 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Tightening torque Screw for ignition coil with output stage 3.14.4 Replace spark plugs - 2.0 l TSI en‐ gines – Remove engine cover. – Take the electrical plug connection for Lambda probe -2- out of the bracket and disconnect it.
Page 81 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Tighten the nut -2- in -direction of arrow- so that the extrac‐ tor -T10530- stays firm in the bore of the ignition coil. – Remove ignition coil with extractor -T10530- in -direction of arrow- out of the camshaft housing.
Page 82 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Place all ignition coils loosely into the spark plug shafts. – Align the ignition coils so that the fastening screws can be screwed in. – Press ignition coils onto the spark plugs evenly by hand (do not use an impact tool).
Page 83: Replace Air Filter Element And Clean Air Filter Housing
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Install the engine cover. Tightening torque Spark plugs in the cylinder head ⇒ Rep. gr. 28; Ignition system; Summary of compo‐ nents - ignition system Nut and screw for ignition coil with output stage 3.15...
Page 84 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 3.15.1 Replacing air filter element, 1.0 l TSI petrol engine Removal – Unscrew fastening screws -arrows- for the air filter top part -1- and lay the air filter top part together with the complete air guide to one side.
Page 85 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Pull off air filter housing upwards from the ball pin -arrow- – Remove both air guides from the air filter housing. – Unscrew the screws -1- from the air filter bottom part.
Page 86 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Screw air filter lower part with air filter upper part with screws -4-. – Check the ball pin inserts -5- for damage, replace if neces‐ sary. – Apply air filter housing onto the ball pins -against the direction of the arrow- and press on.
Page 87 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Remove air filter insert -2-. Installing – Check air filter housing and water drainage for contamina‐ tion and clean as required ⇒ a3.15.6 ir filter housing”, page –...
Page 88 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Remove air filter insert -2-. Installing – Check air filter housing and water drainage for contamina‐ tion and clean as required ⇒ a3.15.6 ir filter housing”, page –...
Page 89 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Installing – Check air filter housing and water drainage for contamina‐ tion and clean as required ⇒ a3.15.6 ir filter housing”, page – Insert the air filter element -2- in the centre of the air filter bottom part.
Page 90: Replacing The Fuel Filter (Diesel Engine)
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 3.15.6 Cleaning air filter housing Note Cleaning is charged separately. – Check the water drain hose in the air filter lower part for soiling and blockage; clean if required.
Page 91 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Removing Caution ♦ Ensure that no diesel fuel gets onto other components in the engine compartment. If this happens, clean imme‐ diately! – Switch off ignition. Note Before opening the system lay cleaning cloths around the filter housing.
Page 92: Checking Particle Filter
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Position the filter cover -1- with the fuel hoses connected on the filter housing so that the support in the filter cover engages in the gasket for the hole in the filter element.
Page 93 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note As part of checking the particle filter, the fill level of the particle filter volume is queried. – Select “Targeted functions” and further “engine” and then start “check volumetric efficiency of the particle filter volume”...
Page 94: Multipurpose Additive For Petrol Engines
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 3.18 Multipurpose additive for petrol en‐ gines ⇒ i3.18.1 n which the multi-purpose additive for petrol engines must be used”, page 88 ⇒ f3.18.2 or use of multi-purpose additive for petrol engines”, page 88 3.18.1...
Page 95 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Add multi-purpose additive -G 001 770 A2 (90 ml)- or -G 001 780 M3 (200 ml)- for petrol engines in the fuel tank at each service event.
Page 96: Multi-Purpose Additive For Diesel Engines
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 3.19 Multi-purpose additive for diesel en‐ gines ⇒ i3.19.1 n which the multi-purpose additive for diesel engines must be used”, page 90 ⇒ f3.19.2 or use of multi-purpose additive for diesel fuel”, page 3.19.1...
Page 97 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Country Egypt Morocco Albania Mauretania Equatorial Guinea Macedonia Argentina Moldova Azerbaijan Myanmar Belize Dutch overseas territories Benin Nigeria Belarus Pakistan Bhutan Panama Brazil Paraguay Brunei Saudi Arabia Burkina Faso...
Page 98: Reduction Agent (Adblue®): Fill, Replace
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 3.20 Reduction agent (AdBlue ): fill, replace ® ⇒ p3.20.1 recautions when working with the SCR system (Sys‐ tem Catalytic Reduction)”, page 92 ⇒ p3.20.2 oints”, page 93 ⇒...
Page 99 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 turned off ⇒ Electrical system; Rep. gr. 27; Battery; discon‐ necting and connecting the battery. 3.20.2 General points Properties ♦ The reduction agent (AdBlue ® ) is not a diesel additive and must not be added to the fuel tank.
Page 100 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 System fault or incorrect filling WARNING Filling the vehicle with NON-standard reduction agent (AdBl‐ ® ), or other fluids may damage the vehicle. If there is a system fault or incorrect filling, one of the following messages is displayed on the dash panel insert: ♦...
Page 101 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Clean the reduction agent tank filler neck with a lint-free wool cloth doused in water. – Insert the fuel pump nozzle of the AdBlue refuelling system e.g. -VAS 6960/ VAS 6960A/ VAS 542 001- - with a reduc‐...
Page 102 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING Only fill the vehicles with the approved reduction agent ® (AdBlue ) from the ⇒ Electronic Catalogue of Original Parts. Components of the AdBlue refuelling system e.g. -VAS 6542-...
Page 103 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Clean the reduction agent tank filler neck with a lint-free wool cloth doused in water. – Close the locking valves of the vent- -3- and filling lines -6- belonging to the filling device -VAS 6542-.
Page 104 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Position the reduction agent container -1- onto the adapter plate -2- which is secured to the engine and gearbox jack -9-. 1 - Reduction agent container 2 - Adapter plate 3 - Quick coupling on vent line Dimension -A- (60 - 80 cm) for height difference from the reduc‐...
Page 105 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Open the shut-off valve of the vent line (the lever faces the direction of the line) -8- ⇒ page 98 – Open the shut-off tap of the filling line (the lever faces the direction of the line) -2-;...
Page 106 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Disconnect the quick coupling on vent line -3-. – Allow excess liquid to flow into a container suitable for the reduction agent (e.g. into an empty reduction agent contain‐...
Page 107 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING Make sure that, after unscrewing the union nut, that no re‐ duction agent can reach body parts or get into the environ‐ ment from the fuel tank filler pipe.
Page 108 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Clean the reduction agent tank filler neck with a lint-free wool cloth doused in water. – Screw in the tank cap -1- on the reduction agent tank (AdBl‐...
Page 109 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING ♦ Note the safety precautions when working on the SCR system ⇒ p3.20.1 recautions when working with the SCR system (System Catalytic Reduction)”, page 92 ♦ The reduction agent tank is drained via the filler neck.
Page 110 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Turn on compressed air distribution into the compressed air hose. – Open shut-off tap -A-. A vacuum is now generated in the vacuum box -VAS 6557- or -VAS 6557A-.
Page 111 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING The length of the inserted suction hose should be approx. 870 mm. When inserting the suction hose, increased resistance is no‐ ticeable over a length of approx. 450 mm. At this distance, there is a non-return valve.
Page 112 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Filling up Fill the reduction agent tank ⇒ t3.20.3 he reducing agent tank with the AdBlue refuelling system e.g. VAS 6960/ VAS 6960A/ VAS 542 001”, page 94 ⇒...
Page 113: Gearbox
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Gearbox ⇒ f4.1 inal drive and joint boots for leaks and damage”, page ⇒ t4.2 he oil in the four-wheel drive clutch”, page 107 ⇒ o4.3 il level in the four-wheel drive clutch”, page 110 ⇒...
Page 114 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Screw in drain plug -arrow- and tighten to tightening torque ⇒ page 111 Replenish oil – Unscrew oil filler plug -A-. – Screw in the adapter -A- of the filling device -VAS 6291- or -VAS 6291A- into the filler hole up to the stop.
Page 115 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Lower the vehicle. – Ensure that the valve -arrow- is closed. – Screw oil reservoir -A- onto the filling device -VAS 6291- or -VAS 6291A-. – Open valve -arrow- and hold oil reservoir as shown in the figure.
Page 116: Checking Oil Level In The Four-Wheel Drive Clutch
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Screw in oil filler plug -A- and tighten to tightening torque ⇒ page 111 Checking oil level in the four-wheel drive clutch Special tools and workshop equipment required ♦...
Page 117: Oil Change: Dual-Clutch Gearbox (Dsg) 0Gc
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Tightening torques Component Tightening torque Filler plug for four-wheel drive 15 Nm clutch • Replace bolt. Drain plug for four-wheel drive 38 Nm clutch • Replace bolt. Oil change: dual-clutch gearbox (DSG) ⇒...
Page 118 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 • Observe rules for cleanliness ⇒ Rep. gr. 00; Repair instruc‐ tions; Cleanliness rules. • Vehicle on completely level ground. • Noise insulation removed ⇒ General body repairs, exterior;...
Page 119 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 When you open the drain plug -arrow 1-, a small amount of gear oil always flows out, regardless of the gear oil level. WARNING The gearbox is damaged if overfilled: The correct oil level is below the level of the overflow pipe.
Page 120 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Tightening torque Drain plug (check and filler 45 Nm screw) • Replace drain plug sealing ring Overflow pipe 3 Nm Drain plug for mechatronics 20 Nm • Replace plug sealing ring 4.4.2...
Page 121 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 DANGER! Risk of injury from hot gear oil. Wear protective spectacles and protective gloves. – Unscrew check and filler screw -arrow-. • The collected gear oil runs out of the overflow pipe.
Page 122 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING Risk of damage to gearbox! • Only spare part gear oil should be used for the 7-speed gearbox 0GC ⇒ Electronic Catalogue of Original Parts. • Other gear oils lead to malfunctions and/or gearbox fail‐...
Page 123 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Screw the adapter for oil filling - VAS 6262- or - VAS 6262A- -A- by hand into the hole of the check and filler screw -arrow 1-.
Page 124: Replace Atf - Automatic 6-Speed Gearbox 09G
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Tightening torque Overflow pipe 3 Nm • Replace bolt. Replace ATF - automatic 6-speed gearbox 09G Special tools and workshop equipment required ♦ Adapter for oil filling -VAS 6262- or -VAS 6262A- ♦...
Page 125 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note The ATF temperature is read off at the ⇒ Vehicle diagnostic ♦ tester. The ATF level changes with ATF temperature. ♦ Checking ATF level when ATF temperature is too low may ♦...
Page 126 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Always replace gasket ring -arrows- for ATF inspection plug ⇒ Electronic Catalogue of Original Parts. First of all the ATF in the overflow tube -arrow 2- drains off.
Page 127 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Tip “06 - End output”. – Switch off ignition and unplug diagnostic connector. – Install the noise insulation. Shortening the vent pipe of the adapter for oil filling -VAS 6262A- –...
Page 128 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Release the overflow tube -C- (5 mm Allen key) and drain remaining ATF. – Drain the ATF. – Install overflow tube -C- with 5mm Allen key and tighten to 2 4.5.3...
Page 129 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Fill with 3 litres of ATF (when changing). – Fill with 1 litre of ATF (if topping up). – Remove adapter for oil filling -VAS 6262- from adapter for ATF oil filling -VAS 6262/2-.
Page 130: Replace Atf - Automatic 8-Speed Gearbox 09S
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Replace ATF - automatic 8-speed gearbox 09S ⇒ A4.6.1 TF level”, page 124 ⇒ a4.6.2 nd filling ATF”, page 126 4.6.1 Inspecting ATF level Special tools and workshop equipment required ♦...
Page 131 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – The ATF drain plug with overflow pipe -3- as well as the sealing ring -4- must remain in the gearbox -5-. Note Replace the gasket ring -2-.
Page 132 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING Filling too much or too little ATF impairs gearbox function. Specified torques Tightening torque Filler screw 40 Nm • Replace gasket ring Overflow pipe 9 Nm •...
Page 133 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING If there is no oil in the gearbox, the engine may not be star‐ ted! – Engine off - do not start! – Waste oil collection and extraction unit -VAS 6622A- under the gearbox in the area of the ATF inspection plug.
Page 134: Change Gear Oil: Dual-Clutch Gearbox (Dsg) 0Dd
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Screw in the ATF filler plug again and tighten by hand. – Shift selector lever into position “P”. – Start the engine. – With the brake pedal actuated shift through all selector lever positions “P, R, N, D, S”...
Page 135 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Work procedure WARNING Risk of accident. ♦ Wear safety goggles. ♦ Wear acid-resistant gloves. ♦ When working close to the radiator, always keep a dis‐ tance from the fan - risk of injury! ♦...
Page 136 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Remove the noise insulation ⇒ General body repairs, exteri‐ or; Rep. gr. 66; Noise insulation; Summary of components - noise insulation. – Place old oil collection and suction device, e.g. -VAS 6622- underneath the gearbox.
Page 137 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Pour in gear oil – Fit the locking screws with a new gasket ring -arrow-. – Insert and tighten the locking screw -2-. First of all, tighten the screw by hand -1-.
Page 138 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Screw the oil filling adapter -VAS 6262A- onto the oil bottle. – Remove locking plug -1-. – Screw the adapter -VAS 6262/1- by hand into the filling and inspection hole -1-.
Page 139 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 • The gearbox is not in the emergency running mode. • Selector lever in “P”. • Parking brake button actuated to activate the electrome‐ chanical parking brake. •...
Page 140 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 • Test temperature: 20 ... 40°C – Connect the ⇒ Vehicle diagnostic tester: read the vehicle identification with guided function – Select the dual-clutch gearbox – Select check oil level •...
Page 141 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Such escaping oil do not indicated whether the gear oil level is adequate, so they must not be taken into account when deter‐ mining the oil level. •...
Page 142: Changing Oil For Front Axle Differential Lock
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Disconnect the adapter for oil filling - VAS 6262A- from the quick coupler and let excess gear oil drain off. • As soon as the excess gear oil has leaked out and continues to drip, the gear oil level is OK.
Page 143 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Oil capacity for front axle differential lock ⇒ Rep. gr. 00; Techni‐ cal specifications; capacity. • Vehicle must be in horizontal position. Drain oil Caution Wear acid-resistant gloves and safety goggles.
Page 144 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Replenish oil – Place old oil collection and suction device - VAS 6622- un‐ der the differential lock. To fill, use a commercially available hose (approx. 1.5 mm long), external diameter 15 mm and commercially available fun‐...
Page 145 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Remove the hose and drain off excess oil. • The correct oil level has been reached when it is at the lower edge of the oil filler hole.
Page 146: Chassis
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Chassis ⇒ t5.1 hickness of front and rear brake pads/linings”, page 140 ⇒ b5.2 rake system for leaks and damage”, page 142 ⇒ b5.3 rake fluid”, page 143 ⇒...
Page 147 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Push the inspection pin -T40139A- through the wheel rim, so that the measuring tip -5- rests against the brake disc. – Carefully move the inspection pin -T40139A- on the bead so that the end face -4- of the inspection pin rests against the backing plate of the brake pad.
Page 148: Inspecting Brake System For Leaks And Damage
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note After replacing the brake pads depress brake pedal firmly sev‐ eral times when the vehicle is stationary to ensure the brake pads are properly seated in their normal operating position.
Page 149: Change Brake Fluid
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING Any defects found must be rectified (repair measure). Change brake fluid Special tools and workshop equipment required ♦ Brake filling and bleeding device, e.g. -VAS 5234- or -VAS 6860- ♦...
Page 150 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 3 - Pneumatic support 4 - Extraction hose with end part 5 - Filler hose with quick-release coupling 6 - Unit connecting point 7 - Connecting hose – Connect brake filling and bleeding device, e. g. -VAS 5234- or -VAS 6860-, to the compressed air distribution system.
Page 151 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Set back switch -2- from -vacuum- down. – Switch off the compressed air distribution, herewith the brake filling and bleeding device, e.g. -VAS 5234- or -VAS 6860-, is no longer operational.
Page 152 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Detach connecting hoses -2- and -7- from catch pan -1-. – Detach the filler hose with quick-action coupling -5- from the device connection point -6-. – Screw the thread plug -1- of the brake filling and bleeding device, e.g.
Page 153 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Switch on the compressed air distribution, herewith the brake filling and bleeding device, e.g. -VAS 5234- or -VAS 6860-, is operational. – Check brake fluid pressure using the pressure manometer -1-.
Page 154 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note Loosen the vent valve using the set of tools for brake bleed‐ ♦ ing -VAS 6564- and -VAS 6564/9- and tighten. While doing so, pull the bleeder hose through the socket insert with a corresponding hollow adapter piece from this set.
Page 155 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Gearbox 02Q – Fit the bleeder hose of the catch pan -A- onto the vent valve of the slave cylinder -arrow-. Gearbox 02S – Fit the bleeder hose of the catch pan onto the vent valve of the slave cylinder -arrow-.
Page 156 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Continued for all vehicles – Open vent valve and allow approx. 0.15 litres of brake fluid to flow out. – Tighten the bleeder valve to the required tightening torque ⇒...
Page 157 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING Slacken the bleeder valves using the set of tools for brake bleeding -VAS 6564- and -VAS 6564/9- and tighten. While doing so, pull the bleeder hose through the socket insert with a corresponding hollow adapter piece from this set.
Page 158: Inspecting The Brake Fluid Level
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Check the brake pedal-idle travel on the brake pedal. Idle travel: max. 1/3 of pedal travel. – Perform a test drive. Note During a test drive, at least one ABS adjustment must be car‐...
Page 159: Front And Rear Axles: Check
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – If the brake pads are new or far off the brake wear limit, the brake fluid level must be between the “MIN” and “MAX” markings. – If the brake fluid level has dropped below the “MIN” marking,...
Page 160: Tyres: Check
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 ♦ there must not be any play present on the rubber metal bearings ♦ there must not be any tears, porous points and distortions on the rubber metal bearings –...
Page 161 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 must be advised to the customer and the customer's atten‐ tion must be drawn to any necessary repair measures! Inspecting tyre wear – The wear pattern on the front tyres makes it possible to...
Page 162 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Slide the grinder -3- of the inspection pin fully onto the pin -1-. – Move the pin -1- with the grinder of the inspection pin -3- in such a way that the measurement pin of the inspection pin -4- rests fully against the inner tread of the tyre.
Page 163 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Caution ♦ During pre-sales inspection, the tyres on the front and real axles must be inflated to the “partial load” pressure vale. The pressure values are also indicated on a sticker, which is attached to the inside of the fuel filler flap.
Page 164 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Tyre pressure values Engine Tyres Tyre pressure (kPa/bar) half load full load Front axle Rear axle Front axle Rear axle 1.0/81 kW TSI 205/60 R16 250- 2.5 260/2.6 270/2.7...
Page 165 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Engine Tyres Tyre pressure (kPa/bar) half load full load Front axle Rear axle Front axle Rear axle 2.0/110kW TDI 4x4 270/2.7 280/2.8 280/2.8 350/3.5 1.0/81 kW TSI 225/45 R18 250- 2.5 250- 2.5...
Page 166: Tightening Wheel Bolts To Specific Torque
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Tightening wheel bolts to specific tor‐ Special tools and workshop equipment required ♦ Torque wrench Tightening torque for steel and light alloy wheel rims: 140 Nm is set.
Page 167: Transport Lock: Remove Anti-Lock Components From The Shock Absorbers Of The Front Axle
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Tap the function surface in the Infotainment screen tyres -1-. – Start tyre pressure calibration. – Then proceed by referring to the read-out on the Infotain‐ ment screen.
Page 168 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note These anti-lock components should protect the vehicle from back-swing and through this also from damage when driving into the transport vehicle or onto the train wagon. WARNING...
Page 169 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Pull the visible locking component off the shock absorber piston rod. – Push the other locking components over the rod in down‐ ward direction using the folds in the boot.
Page 170: Breakdown Set
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 5.10 Breakdown set The breakdown set contains a tyre inflation bottle with sealant in addition to the compressor. Note The tyre sealant in the bottle is perishable. ♦...
Page 171: Electrical System
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Electrical System ⇒ c6.1 onsumers: check they are functioning”, page 165 ⇒ a6.2 nd rear exterior lighting: check”, page 166 ⇒ l6.3 ights: check”, page 166 ⇒ b6.4 attery”, page 166 ⇒...
Page 172: Front And Rear Exterior Lighting: Check
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 lights, reversing lights, brake lights, parking light and daylight driving lights (if present) for brightness, colour and proper operation. Check the headlight beam control of the dynamic cornering light/the adaptive headlights with ⇒...
Page 173: Check That The Vehicle's Infotainment System Is Working
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 ♦ Unclamp the battery (unclamp both battery poles) ♦ Wipe away all the dirt from the battery cover with a cloth moistened in clean water. WARNING When cleaning the battery cover and battery housing, do not use any oils, solvents, cleaning agents, oil-based solvents or ammonia solutions.
Page 174: Setting Clock
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING If only the following is activated after switching on the ra‐ dio/navigation: ♦ Traffic information TP ♦ Telephone The “component protection” is activated. This function must be deactivated ⇒ Vehicle diagnostic tester.
Page 175: Connect Diagnostic Unit
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Select the functional surface in Infotain‐ SETUP (Settings) ment, and then Time and Date – Then proceed by referring to the read-out on the display. Here you can also set the date, daylight saving time, time zone, time and date format.
Page 176: Resetting Service Interval Display (Sid)
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Resetting service interval display (SID) The service interval display is reset with the vehicle diagnosis, measurement and information system -VAS-, observing the fol‐ lowing information when doing so: WARNING The vehicles are equipped with a two-channel service inter‐...
Page 177 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Check the language in the vehicle’s Infotainment screen -1-. To change the language version of the driver's instructions, proceed as follows: Change these language version of the driver's instructions The language version of the driver's instructions is changed by changing the language in the vehicle’s Infotainment system.
Page 178: Changing The Code Of The Service Intervals
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 functions” → “0017 Adaption” and next → “0017 Adjust lan‐ guage variants for driver information system”. – Set the desired language taking account of the diagnostic unit display.
Page 179: Inspecting The Headlight Beam Setting
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 6.12 Inspecting the headlight beam setting ⇒ a6.12.1 nd setting conditions”, page 173 ⇒ t6.12.2 he LED headlights”, page 174 ⇒ t6.12.3 he matrix beam headlight”, page 175 ⇒...
Page 180 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 The vehicle must have rolled a few metres or have been de‐ pressed a few times at the front and rear to allow the springs to settle. Inclination value: •...
Page 181 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Adjust the headlights mechanically – Adjust the light with a screwdriver with socket extension or with a socket wrench SW 6 by turning the screws -1- and -2-.
Page 182: Check The Matrix Beam Headlight Setting
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note Pay attention to the correct sinking of the socket wrench in the adjusting screw. It is guided into the adjusting screw with the cone point of this screw.
Page 183 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 a - max. 100 mm WARNING If the headlamp setting device -VAS 621 001-is not on the running rails, it must first be aligned in the horizontal position in the transverse and longitudinal directions.
Page 184 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Check whether on the -VAS 621 001- image, the Skoda Button -arrow- is available. If the Button is not active, activate this in the “User set‐ Skoda ting”...
Page 185 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Left-hand drive / driving on the right ⇒ s6.13.2 etting of ma‐ trix beam headlights - left-hand drive / driving on the right”, page 179 Right-hand drive / driving on the left ⇒...
Page 186 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – At -VAS 621 001- press the -Arrow A- or -Arrow B- button to start the measurement process. WARNING For the headlight alignment test, the right and left headlight shall be turned off.
Page 187 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note Using -Arrow B- to switch from the ♦ Camera button “Settings menu” -Arrow A- to the “Measurement menu” -Arrow C-. in the “Measurement menu” -Arrow C-, the buttons for the ♦...
Page 188 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING When the setpoint for the inclination -1% is reached, the up‐ per light/dark limit of light contour -2- simultaneously touches the test axis -3- on the display -VAS 621 001-.
Page 189 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – At -VAS 621 001- press the button -Arrow A- or -Arrow B- to start the measurement process. WARNING For the headlight alignment test, the right and left headlight shall be turned off.
Page 190 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 1 - Light contour for the headlight on the left 2 - Light contour for the headlight on the right – Check that the cut-off boundary of light contour -1- is to the left of the vertical axis -V- of Headlight setting device at a distance of -H- (0.7%).
Page 191 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Next, follow the instructions for basiv settings on the display of the VAS diagnostics device. The completed basic setting is confirmed on the display of the diagnostic device.
Page 192 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – At -VAS 621 001- press the -Arrow A- or -Arrow B- button to start the measurement process. WARNING For the headlight alignment test, the right and left headlight shall be turned off.
Page 193 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note Using -Arrow B- to switch from the ♦ Camera button “Settings menu” -Arrow A- to the “Measurement menu” -Arrow C-. in the “Measurement menu” -Arrow C-, the buttons for the ♦...
Page 194 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING When the setpoint for the inclination -1% is reached, the up‐ per light/dark limit of light contour -2- simultaneously touches the test axis -3- on the display -VAS 621 001-.
Page 195 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – At -VAS 621 001- press the button -Arrow A- or -Arrow B- to start the measurement process. WARNING For the headlight alignment test, the right and left headlight shall be turned off.
Page 196 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 1 - Light contour for the headlight on the left 2 - Light contour for the headlight on the right – Check that the cut-off boundary of light contour -1- is to the right of the vertical axis -V- of Headlight setting device at a distance of -H- (-0.7 %).
Page 197: Check For Proper Operation Of Automatic Light
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Next, follow the instructions for basiv settings on the display of the VAS diagnostics device. The completed basic setting is confirmed on the display of the diagnostic device.
Page 198: Climatology: Set The Temperature To 22 °C
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Turn the steering wheel from the middle position one turn to the right. The right fog light must switch on. – Turn the steering wheel from the middle position one turn to the left.
Page 199: Carrying Out Diagnostic Step: Delivery Inspection, Overall Delivery Inspection
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Then proceed by referring to the read-out on the Infotain‐ ment screen. Here you can also set the climate profile, the auxiliary heating, the automatic re-circulating air mode, etc.
Page 200: Replace Ocu Control Unit (Control Unit For Emergency Call Module And Communication Unit J949)
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Switch off the vehicle diagnosis, measurement and informa‐ tion system-VAS- with corresponding diagnostic cable. 6.20 Replace OCU control unit (control unit for emergency call module and com‐...
Page 201: Era Glonass: Check That The Emergency Call System Is Ready
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 • The status LED -Arrow- of the emergency call system must then light up green at the latest within approx. 2 minutes after ignition is switched on. The status LED -Arrow- of the emergency call system lights up green, the system is ready.
Page 202 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING To check the ERA Glonass emergency call system is ready for operation, you must first deactivate transport mode ⇒ o6.18 ut diagnostic step: delivery inspection, overall delivery inspection”, page 193...
Page 203 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 If the status LED -arrow- of the ERA Glonass system is green, the system is ready. If the status LED of the ERA Glonass system -arrow- is read even after approx.
Page 204: Era Glonass: Run System Test
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 6.23 ERA Glonass: run system test WARNING To run the ERA Glonass system test, the ERA Glonass system must be activated ⇒ G6.22 lonass: check that the emergency call system is ready”, page 195 –...
Page 205: Škoda Connect Services
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Repeat the test by pressing the button -2- 10x within 20 seconds. – Also follow the voice prompts (to complete the test sequence correctly). 6.24 Škoda Connect services ⇒...
Page 206 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Check software update – Check the availability of this date in the infotainment notifica‐ tion centre. – Display the notification centre by tapping the bar -1- in the middle of the upper part of the screen by dragging -arrow- downward -2-.
Page 207 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note After the above update, the application can take several ♦ minutes (approx. 2 - 5) to start up. During the start-up process, other steps for the PDI may be ♦...
Page 208: General Warnings For Work On The High-Voltage System
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 6.26 General warnings for work on the high- voltage system DANGER! Danger to life due to high voltage. Death or severe injuries may result from electric shock. When working on the high-voltage system, the vehicle must be switched off by a suitably qualified person.
Page 209: Check The Warning Sticker
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 When charging 1/4 or 1/4 in the charge status display, charge the high-voltage battery until the charge status indicator reads at least 1/2. With an electrical range of less than 10 km, the high-voltage battery should be charged until the electric range indicator reads at least 25 km.
Page 210: High-Voltage Charging Socket In The Front Left Wing: Visual Inspection For Dirt And Damage
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 6.30 High-voltage charging socket in the front left wing: Visual inspection for dirt and damage – Open the cover for the charging socket in the left wing ⇒ Owner's Manual.
Page 211: Body
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Body ⇒ u7.1 nderbody protection for damage”, page 205 ⇒ b7.2 ody paintwork and underbody protection for damage (before sale)”, page 205 ⇒ f7.3 or corrosion”, page 206 ⇒...
Page 212: Check For Corrosion
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – undamaged layer of PVC Plastisol – undamaged paintwork WARNING Pay particular attention to the mechanical damage resulting from the transportation of the vehicle. Check for corrosion Carry out a visual inspection for corrosion when the doors, front flap and tailgate are opened.
Page 213 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Dimension -a- = 400 ± 50 mm The spray nozzles are preset. However, minor differences in the height of spray jets can be balanced out to strike at the same height.
Page 214 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note Adjust the end position of the wiper arms⇒ Electrical system; ♦ Rep. gr. 92; Windscreen wiper system; adjust wiper arms. The tolerance between wiper blade and marking at the wind‐...
Page 215 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Dimension -a-: • Octavia Combi IV = 42 ± 2 mm The specified tightening torque for the windscreen wiper nut is 12 Nm. – Inspect setting of nozzle, if necessary adjust or clean the nozzle heads with a tool (e.g.
Page 216: Panoramic Tilting/Sliding Sunroof: Check Function, Clean And Grease Runners
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note If the spray flows out unevenly or insufficiently, replace the han‐ dle (repair measure). Panoramic tilting/sliding sunroof: check function, clean and grease runners ⇒ t7.5.1 ilting / sliding glass roof, Octavia Combi IV: checking functionality, cleaning and lubricating guide rails”, page 210...
Page 217 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Cleaning and lubricating the guide rails and cleaning the draft deflector – Open sliding hood or roller blind for sunroof. – Open sliding/tilting roof. – Remove coarse dirt in the guide rails -arrows- with wet-dry vacuum cleaner.
Page 218 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note Make sure that no other components get dirty. – Remove any grease and debris from the rear glass cover mechanism sliding block guide grooves with a lint-free cloth.
Page 219 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Remove grease and dirt residues from the guide grooves of the wind deflector with a lint-free cloth. – Using a brush, lubricate the guide grooves of the wind de‐...
Page 220 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Clean draft deflector – Check draft deflector -1- for dirt. Pay particular attention to the dirt deposits in the lower area of the draft deflector -arrows-. – Remove dirt deposits with a wet-dry vacuum cleaner.
Page 221: Sliding Roof Drains: Check Flow, Clean If Necessary
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 7.5.2 Tilting/sliding sunroof seal: check for detachment – Check all-round tilting / sliding sunroof seal -1- -arrows- for any potential detachment. If the tilting / sliding sunroof seal is detached in any area: –...
Page 222: Door Locks, Locking Buttons And Child Lock: Check Functioning Correctly
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Check the bottom of the vehicle to see if the water is leaking from the front and rear wheel arches. – Repeat the work sequence on the opposite side of the vehi‐...
Page 223 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Unlock and lock the driver door with the key. All the doors must remain locked. The driver door must not be locked as long as the door is opened.
Page 224: Replacing The Dust And Odour Filter
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 The security lock is thus activated. The internal door opening lever is now blocked, the door can only be opened from the outside. – Turn the safety lock slot in the -direction of arrow 2-.
Page 225 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 After switching on the ignition, the two indicators light up -arrows- in the front interior light area in the roof cladding. If the airbag system is OK, the two indicators go out.
Page 226: Front Flap Lock: Lubricate
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Then, the “PASSENGER AIRBAG ON” indicator -arrow- most lights up in the front interior light area in the roof cladding for approx. 65 s. Then, the indicator goes out.
Page 227: Exhaust-Emission Analysis
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Exhaust-emission analysis Note The exhaust-emission analysis must be carried out according to the valid national legislation of the particular country. ⇒ A8.1 nalysis on Models with Petrol Engines”, page 221 ⇒...
Page 228 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 • No fault from the exhaust-related systems is stored in event memory (the exhaust emissions warning lamp in the dash panel insert does not indicate a fault) – query the event memory ⇒...
Page 229: Exhaust-Emission Analysis On Models With Diesel Engines
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Test values for exhaust emission analysis on models with petrol engines Engine codes DPCA DJKA Engine temperature min. 80 °C min. 80 °C Catalyst warming-up time 2 min. at 2500 rpm 2 min. at 2500 rpm Recommended stabilised idling speed (rpm) 650 …...
Page 230 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 ♦ Sensors for particle filter and their lines are firmly attached and are connected to the particle filter Test conditions for vehicles with EOBD • Faultless function of the engine without extraordinary in‐...
Page 231 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note All tubes and plug connections, which had been removed or ♦ disconnected for the test and adjustment, must be correctly re-inserted or connected. The exhaust gas probe must be fully inserted into the ex‐...
Page 232 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note Engine temperature: above an engine oil temperature of min. 60 °C, heat the engine to min. 80 °C by accelerating 2 to 10 times freely up to maximum speed.
Page 233 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 9. Miscellaneous...
Page 234: Miscellaneous
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Miscellaneous ⇒ s9.1 tarting/Towing”, page 229 ⇒ t9.2 est”, page 230 ⇒ v9.3 ehicle”, page 231 9. Miscellaneous...
Page 235: Tow Starting/Towing
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Tow starting/Towing Caution ♦ Comply with the legal regulations on towing. ♦ Both drivers must be familiar with the specificities of the towing process. ♦ A towing rope or towing bar must only be fitted to the appropriate towing lugs.
Page 236: Road Test
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Tip the cap off the bumper in -direction of arrow 2-. – Screw in the towing lug by turning to the left -arrow- with the hand up to the stop.
Page 237: Raise Vehicle
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Inspect steering clearance of the vehicle standing on its wheels, with engine running by turning the steering wheel one way and then the other (wheels straight ahead). There must be no play on the steering.
Page 238 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Rear jacking point WARNING ♦ Under no circumstances must the vehicle be placed on the engine, gearbox, front or rear axle. ♦ Never start the engine or engage a gear when the ve‐...
Page 239: Natural Gas System
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Natural gas system ⇒ n10.1 atural gas vehicle”, page 233 ⇒ m10.2 easures and rules of cleanliness when working on vehicles with natural gas system (CNG)”, page 234 ⇒...
Page 240: Safety Measures And Rules Of Cleanliness When Working On Vehicles With Natural Gas
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 10.2 Safety measures and rules of cleanli‐ ness when working on vehicles with natural gas system (CNG) ⇒ m10.2.1 easures, safety at work”, page 234 ⇒ o10.2.2 f cleanliness”, page 236 10.2.1...
Page 241 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 DANGER! • Risk of natural gas explosion due to electrostatic charge. • Before working on the natural gas system, ensure that static charge has been dissipated first. • When performing service, installation and repair work on the gas system, wear anti-static gloves with cotton fab‐...
Page 242: Valid Instructions, Regulations, Standards And Recommendations For The Service, Assembly And Repair Work On The Natural Gas System (Lpg)
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 10.2.2 Rules of cleanliness For all tasks on the gas system, carefully pay attention to the following “rules of cleanliness”: ♦ Thoroughly clean the connection points and their surround‐...
Page 243: Leak-Tightness Test Of The Gas System And Visual Inspection Of The Cng Natural Gas Containers
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 10.3.2 Valid instructions, regulations, stand‐ ards and recommendations for the service, assembly and repair work on the natural gas system (CNG) valid for other countries WARNING • Service, installation and repair work on the natural gas system as well as their inspections must only be carried out by properly qualified personnel according to the rele‐...
Page 244 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING A leak tightness test of the natural gas system must also be carried out: ♦ If components have been loosened or replaced in the high pressure system for natural gas ♦...
Page 245 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 The level of the natural gas tank is displayed in the fuel gauge -2-. Work procedure for carrying out a leak tightness test on the gas system •...
Page 246 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING ♦ The gas leak search device -VAS 6227- or -VAS 523 003- can be used to determine whether there is gas in the ambient air. ♦ As natural gas is lighter than air, it will always rise to the top.
Page 247 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 ♦ Distributor-arrows- on the underbody. ♦ Multifunction valve for natural gas tanks 1 and 2 with all connections, bolted connections and cut-off valves -arrows-. Natural gas fuel tank (CNG) connection -arrow- to the multifunc‐...
Page 248 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 ♦ Check the condition of the low-pressure hose -1-. ♦ Gas distribution line with gas inlet valves -1-, gas distribution line sensor -2-, and low-pressure line connection -3-.
Page 249 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note Observe safety measures and other rules ⇒ m10.2 easures and rules of cleanliness when working on vehicles with natural gas system (CNG)”, page 234 WARNING The natural gas containers must be tested as well: ♦...
Page 250 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Note Both natural gas tanks have to be checked, the expiry date of the individual tanks may differ! Natural gas fuel tank 3 The production date can be found at the bottom of natural gas tank (CNG) 3 -arrow-.
Page 251: Resetting Cng Service Interval
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Check the natural gas filler neck from the outside as well as from the inside for dirt, damage and corrosion deposits. Caution Only clean the natural gas filler neck from the outside.
Page 252: Removing And Installing Cover For The Natural Gas Containers
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING When resetting the service interval display with vehicle diag‐ nosis, measurement and information system -VAS-, note the following: Remove the checkmark at the “work with targeted fault find‐...
Page 253 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 – Remove side panel -2- of the natural gas fuel tanks 1 and 2. Underbody panelling of the steel natural gas fuel tank 3 – Rotate quick release fasteners -arrows- of the underbody panelling -1- to “unlocked”...
Page 254 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Side panel of composite fibre natural gas fuel tanks 1 and 2 – Put on side panel -2- of the natural gas fuel tanks 1 and 2. – Screw in plastic nuts -arrows- of the side panel -2- for natu‐...
Page 255: Empty Natural Gas System (Deactivate)
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Tightening torque Plastic nuts of the side panel -2- for natural gas tanks 1 and 2 10.7 Empty natural gas system (deactivate) WARNING The system must be emptied before carrying out installation...
Page 256: Natural Gas System: Checking Wax Layer Between Natural Gas Fuel Tank And Multifunction Valve
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 WARNING After removing/installing the CNG natural gas containers, carry out a visual inspection of the liquefied petroleum gas system ⇒ t10.4 est of the gas system and visual inspection of the CNG natural gas containers”, page 237...
Page 257: Pti - Periodic Technical Inspection
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 PTI - Periodic Technical Inspection ⇒ -11.1 Periodic Technical Inspection”, page 251 ⇒ d11.2 escription of the electromechanical parking brake ”, page 261 ⇒ v11.3 ehicle interface”, page 262 ⇒...
Page 258 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Po‐ Description Method Required Information si‐ tion Vehicle-spe‐ The original delivery status of the vehicle cific informa‐ can be found in the PR numbers tion about the Follow the following document path: originally in‐...
Page 259 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Po‐ Description Method Required Information si‐ tion 2.6 Electronic Visual inspection and checking corre‐ ⇒ s11.4 teering system”, page 262 power assis‐ spondence between the angle of the...
Page 260 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Po‐ Description Method Required Information si‐ tion 4.3. Circuit Visual inspection and operation or use Equipped with emergency brake light [Y / N] of the electronic vehicle interface ♦...
Page 261 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Po‐ Description Method Required Information si‐ tion Battery(-ies) Visual inspection Position of the batteries ♦ ⇒ Electrical system; Rep. gr. 27; Battery; Summary of components - Battery Number of batteries Follow the following document path: ♦...
Page 262 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Po‐ Description Method Required Information si‐ tion 5.1. Axles Visual inspection while the vehicle is Follow the following document path: above a test pit or on a lift. The use ♦...
Page 263 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Po‐ Description Method Required Information si‐ tion 6.1. Motor power Visual inspection and / or use of the Valid configuration of the engine control unit (X)2 electronic vehicle interface...
Page 264 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Po‐ Description Method Required Information si‐ tion 7.1. Airbag Visual inspection and / or use of the Number of airbags electronic vehicle interface Follow the following document path: ♦...
Page 265 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Po‐ Description Method Required Information si‐ tion 8.2. Exhaust after‐ General description of the exhaust gas ⇒ Rep. gr. 26; Emission control; Assembly treatment aftertreatment system particle filter in‐...
Page 266 Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Po‐ Description Method Required Information si‐ tion 8.2. Exhaust after‐ Visual inspection General description of the exhaust gas after‐ treatment treatment system such as DeNOx system system [Y / N] particle filter installed [Y / N] ♦...
Page 267: General Description Of The Electromechanical Parking Brake
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 Po‐ Description Method Required Information si‐ tion or the engine block temperature de‐ termined by measuring the infra-red radiation is at least as high. If this measurement cannot be carried out...
Page 268: Electronic Vehicle Interface
Octavia IV 2020 ➤, Octavia IV 2021 ➤ Maintenance - Edition 12.2020 11.3 Electronic vehicle interface Note The event memory is queried and further diagnostic proce‐ ♦ dures and functions are performed using the vehicle diagno‐ sis, measurement and information system -VAS-⇒ Vehicle diagnostic tester.

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