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Engine
Type
Arrangement
Bore
Stroke
Displacement
Compression ratio
Fuel requirements
Horsepower
Max. Torque
Engine Design
Cylinder block
Crankshaft
Cylinder head
Valve train / intake
Firing order
Cooling system
Lubrication system
Fuel injection / Ignition system
Emission system
Electrical System
Battery
Alternator
Drivetrains
Transmissions
Type
Gear ratios: 1st
2nd
3rd
4th
5th
Final Drive
Front Differential
Center Differential
Rear Differential
- 2003 Audi A4 1.8 T Avant
Inline 4-cylinder with exhaust gas turbocharger and charge-air intercooling, DOHC
Front mounted, longitudinal
3.18 in.
(81 mm)
3.40 in.
(86.4 mm)
109 cu. in. (1781 cc)
9.3:1
Regular unleaded (87 AKI), Premium unleaded (91 AKI) recommended for maximum performance
170 hp @ 5900 rpm
166 lbs/ft @ 1950 - 5000 rpm
Cast iron
Forged steel, 4 main bearings
Aluminum alloy
Intake camshaft adjustment, DOHC belt driven, hydraulic lifters
1 - 3 - 4 - 2
Water-cooled, thermostatically controlled radiator fan
Gear pump, pressurized, full flow with oil cooler
Fully electronic engine management, sequential injection with adaptive idle-charge control, acceleration
enrichment, overrun fuel cut-off, adaptive lambda control, mapped ignition with solid-state high-voltage
distribution via single spark coils, adaptive knock control, air-mass measurement, integrated boost
pressure control
Dual 3-way catalytic converters w/ individual oxygen sensors
12 volts
80 amp/hr
14 volts
120 amp
5-speed manual
5-speed automatic with Tiptronic®
quattro
Manual 5-speed
3.778:1
2.176:1
1.429:1
1.091:1
0.838:1
3.889:1
Hypoid gear
electronically locking (EDL)
,
TORSEN® (TORque SENsing) differential providing
automatic and variable front to rear power proportioning
Hypoid gear electronically locking (EDL)
2003 Audi A4 1.8 T Avant
2003 Audi A4 1.8 T Avant
2003 Audi A4 1.8 T Avant
2003 Audi A4 1.8 T Avant
quattro
®
Automatic 5-speed w/ Tiptronic
3.665:1
1.999:1
1.407:1
1.000:1
0.742:1
3.730:1
Hypoid gear , electronically locking (EDL)
TORSEN® (TORque SENsing) differential providing
automatic and variable front to rear power proportioning
Hypoid gear , electronically locking (EDL)
®
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