Volvo 121 Servicing
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Volvo 121 Servicing

Two- and four-door cars
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Summary of Contents for Volvo 121

  • Page 2 TWO- AND FOUR-DOOR CARS 121/122 S DESCRIPTION DRIVING SERVICING...
  • Page 3 DRIVE AND SERVICE YOUR VEHICLE IN THE BEST POSSIBLE WAY. BY FOLLOWING THE INSTRUCTIONS GIVEN IN THIS BOOK, YOU WILL FIND THAT YOUR VOLVO WILL COME UP TO ALL THE EXPECTATIONS CONCERNING ECONOMICAL OPERATION AND EXCELLENT PERFORMANCE THAT YOU HAVE EVERY RIGHT TO EXPECT OF A TOP-QUALITY VEHICLE.
  • Page 4 MOTORIST FINALLY, WE WOULD LIKE TO EXPRESS OUR APPRECIATION FOR THE CONFIDENCE YOU HAVE SHOWN IN THE NAME OF VOLVO BY CHOOSING A VOLVO VEHICLE. WE ARE SURE THAT THE DEMANDS YOU MAKE ON YOUR VOLVO WILL BE MORE THAN...
  • Page 5 CONTENTS...
  • Page 6 CONTENTS...

  • Page 7: Volvo Service Organization

    Volvo that is not included in this instruction book. It is not only in your own country that there is a Volvo workshop within easy reach but Volvo also has a widely distributed service network in...

  • Page 8: Warranty And Service Booklet

    Service Book. Thorough and regular servicing is o f vital importance for the per- formance and length o f life o f the vehicle. Always use genuine Volvo spares.
  • Page 9 DESCRIPTION General The Volvo 121/122 S is a two- or four-door, five-seater car. Many colours are available and in each particular case the colour of the internal fittings and upholstery harmonizes with the external finish of the car. In addition to a spacious luggage compartment, where the spare wheel...

  • Page 10: Type Designations

    Type designations This instruction book deals with vehicles having the following type designations: Type designation Engine Gearbox 121341 M or 121342 M B 18 A M 40 121361 M or 121362 M B 18 A BW 35* 122341 M or 122342 M B 18 D M 40 122351 M or 122352 M...

  • Page 11: Fuel System

    DESCRIPTION The engine is a four-cylinder carburettor unit with overhead valves. The pistons are made of light-alloy and the upper compression ring on each piston is chromed. The main bearings and connecting rod bearings are replaceable. The crankshaft is statically and dynamically balanced. has an output of 85 h.p.
  • Page 12 1. Carburettor Oil dipstick 21. Relay for back-up light (B 18 2. Float chamber Distributor 22. Relay for headlight (B 18 14. Heater Air cleaner flasher (B 18 4. Expansion tank with Starter motor Motor for windscreen filler cap for coolant Ignition coil washers Charging control...

  • Page 13: Electrical System

    DESCRIPTION Electrical system The electrical system is of the 12-volt type and is fitted with a volt- age control dynamo. The starter motor is controlled from the instrument panel by means of the ignition key. This key also forms the main switch for the rest of the electrical system.

  • Page 15: Power Transmission

    DESCRIPTION Power transmission Clutch The function of the clutch is to transmit the power from the engine to the gearbox. The clutch is of the single dry plate type with diaphragm spring. The diaphragm spring 'functions partly as a lever when declutch- ing and partly as a pressure spring when engaging.
  • Page 16 Gearbox...

  • Page 17: Luggage Compartment

    DESCRIPTION Body Bonnet The bonnet is fitted with a catch which is operated from the driving seat through a handle located to the left under the instrument panel. The bonnet catch is released by pulling the handle out. When the bonnet catch handle has been released inside the car, the bonnet is still retained by a safety catch.

  • Page 18: Doors And Locks

    Doors and locks There is a lock with a keyhole on each of the front doors. All the doors can be locked from inside the car by pressing down the lock buttons on the window ledge. On the rear doors, this button must first be pulled up before the doors can be opened from the inside.

  • Page 19: Front Seats

    DESCRIPTION Front seats The front seats can be slid back- wards or forwards after the knob on the outside of the seat is pressed down. Exert leverage with your feet on the floor and slide the seat to the desired position. If necessary, the seats can be moved 25 mm (1") further to the rear than permitted by the slide rails by using...

  • Page 20: Safety Belts

    Safety belts Standard on this vehicle includes for both the front safety belts seats. Utilize this simple but effective safety device. Even when driving slowly, for example, in town traffic, a sudden, unexpected stop can cause serious injury. For this reason, the safety belt should always be on when driving.
  • Page 21 DESCRIPTION I nstruments and operating controls Before you start the engine, sit behind the wheel and carefully check through all the instruments and controls. The location of these is shown in the illustration. The instruments and operating controls are described in more detail on the following pages with reference to the numbers in the illustration.

  • Page 23: Trip Meter

    DESCRIPTION Temperature gauge The temperature gauge shows the temperature of the cooling system and thus indicates the working temperature of the engine. The indicator on this gauge should remain within the green marking. If it should show an excessively high temperature for a long time, this can depend upon the fact that the channels in the cooling system are blocked and circulation is thus being hindered.

  • Page 24: Choke Control

    DESCRIPTION Control for windscreen wipers and washers The control for the windscreen wipers and washers has four positions. When pressed in, the control is shut. When pulled out one step, the wind- screen wipers operate at normal speed. When pulled out two steps, the windscreen wipers move more quickly.
  • Page 25 DESCRIPTION Heater and ventilation system Switch for fresh-air fan Air-flow Sliding control for air temp. Pushed right in - closed AIR _ Air to front seat floor This control is used to regulate the Interco. pos. - full output DEFR = Air to windscreen temperature of the incoming air.

  • Page 26: Lighting Switch

    DESCRIPTION Lighting switch Parking lights Dipped headlights Full headlights (Lighting switch pulled out one (Lighting switch fully out and (Lighting switch fully out and notch) foot dipper switch in dipped foot dipper switch in full position) position) The headlights are switched from full to dipped and vice versa by de- pressing the dipper switch with your foot.
  • Page 27 DRIVING Starting i n a garage If you start your vehicle in a garage, always open the garage doors before starting the engine. The exhaust gases from the engine contain the poisonous gas carbon monoxide which is particularly dangerous since it is both invisible and odourless.
  • Page 28 The simplest (and in the long run most profitable) way to give the vehicle the servicing it requires is to have all the servicing done by a Volvo workshop. You will then have all the work shown in the service book carried out in accordance with fixed prices and the workshop...

  • Page 29: Maintenance Scheme

    SERVICING Maintenance scheme In the maintenance scheme below the servicing procedures have been given certain numbers which refer to the detailed descriptions on the following pages. Some of the work must be carried out by skilled mechanics or requires the use of special tools and these have been marked in colour. Operation...
  • Page 30 SERVICING In addition to the servicing procedures mentioned in this scheme you should also regularly check the following from the point of view of traffic safety: a) lighting, including brake warning lights b) direction indicator flashers c) horn Operation...

  • Page 31: Chassis Maintenance

    After every 10 000 km (6 000 miles) the vehicle should undergo the 10 000 km (6 000 miles) inspection at a Volvo workshop. The meas- ures taken during this inspection are also to be found in the lubricating chart.

  • Page 32: Body Lubrication

    SERVICING Body lubrication In order to avoid squeaks and unnecessary wear, the body should be lubricated about every 10 000 km (6 000 miles) or at least once a year. During the winter season the door locks and luggage compartment lock should be treated with a suitable anti-freeze agent to prevent them from freezing up.

  • Page 33: Changing The Engine Oil

    SERVICING Check the oil level in the engine The oil level in the engine should be checked each time the fuel tank is filled. Carry out the check with the engine switched off by using the oil dipstick which is on the left-hand side of the engine.

  • Page 34: Steering Box

    SERVICING 4 Gearbox The oil in the gearbox should be checked after every 5 000 km (3 000 miles). The oil level should be up to the filler hole. If necessary top up with new oil. The oil in the gearbox should be changed after every 40 000 km (25 000 miles).

  • Page 35: Oil Filler Cap

    For this reason it must be replaced regularly, for example after every 10 000 km (6 000 miles), and preferably by a Volvo workshop. If the filter is replaced without being changed, 0.5 litre (A Imp.

  • Page 36: Fuel Filter

    Every 10 000 km (6 000 miles) a compression test should be carried out to get some idea of the condi- tion of the engine. The test should be carried out at a Volvo work- shop. Fan belt The fan belt tension should be checked at a Volvo workshop after every 10 000 kin (6000 miles).

  • Page 37: Check The Coolant Level

    "Min" mark. Top up with sufficient fluid so that the level reaches up to the "Max" mark. Use genuine Volvo coolant. Note: Do not top up only with water, especially in the wintertime.

  • Page 38: Ignition System

    3.5 kgm (25 lb.ft.). When fitting new sparking plugs, be sure to fit the right type (see page 56). Consult a Volvo workshop if you consider fitting another type of plug.

  • Page 39: Check The Battery Electrolyte Level

    Check headlight alignment The alignment of the headlights should be checked in a Volvo workshop after every 10 000 km (6 000 miles). Remember that the section of the road lit up by the headlights can vary depending on the loading of the vehicle.
  • Page 40 Replacing the headlight bulbs Loosen the screw on the underside of the rim with a screwdriver. Pull out the bottom part of the rim slightly and then lift upwards so that the retainer catch releases its grip. (Do not pull the headlight rim so far forwards that the catch at the top becomes bent, otherwise water can penetrate and damage the re-...
  • Page 41 SERVICING Replacing the bulbs in the front parking lights/flashers Unscrew the two screws by means of a The larger one is the flasher and the smaller Philips screwdriver and lift off the glass and one the parking light. See that the glass the metal frame.

  • Page 42: Front End

    See the data on page 57. The clutch should be checked and adjusted at a Volvo workshop since these workshops have the necessary equipment. Check the propeller shaft Every 10 000 km (6 000 miles) the rubber seal on the spline shaft should be checked as well as the universal joints.

  • Page 43: Air Pressure

    The pressure must not exceed 2.1 kg /cm2 (30 lb./sq.in.). If inspection of the tyres shows that there are particularly worn spots and unusual wear on the tread, take the vehicle to a Volvo workshop for the wheels to be balanced.
  • Page 44 Changing a wheel Before the vehicle is jacked up, the handbrake should be applied and one of the gears engaged to make sure that the vehicle stands still. Lay a couple of stones or chocks i n front of and behind the wheels that remain on the ground.
  • Page 45 SERVICING Body Washing When the vehicle is new it should be washed often to harden the surface finish. If dust and dirt are allowed to remain in contact with the surface finish for any length of time, damage can result. Washing and polishing are also important from the viewpoint of rust protection.
  • Page 46 Volvo workshop. Any minor damage caused by flying stones, etc. and small scratches can, however, be attended to by the owner himself.
  • Page 47 Anti-rust treatment The Volvo 121/122 S is anti-rust treated at the factory. The door sills are made of galvanized sheet metal and do not require any maintenance. The lower part of the body is treated with underbody seal- ing compound on those places which are subjected to flying stones from the wheels, i.e.
  • Page 48 Do not forget the regular servicing during your trip abroad. All Volvo workshops abroad are equipped to give your vehicle the service it needs. If you prefer to look over your vehicle yourself, the following hints are worth noting Check the brakes, front wheel alignment and steering gear.

  • Page 49: Procedure In Cold Weather

    Engine cooling system Genuine Volvo coolant should be used all the year round. Therefore the coolant should not comprise only of water plus a rust-proofing agent, not even during the summertime. The coolant retains its properties for about 1 year, when it should be changed.
  • Page 50 Your Volvo dealer can supply you with a suitable anti-freeze for this purpose.

  • Page 51: Fault Tracing

    FAULT TRACING The information given below is only intended to serve as a guide in loca- lizing and temporarily correcting minor faults. After having carried out any such measures, have them checked and adjusted by an expert me- chanic. The engine does start although the starter motor turns it round at normal speed 1 Check that there is fuel in the tank.

  • Page 52: Specifications

    SPECIFICATIONS Dimensions and weights...
  • Page 53 SPECIFICATIONS Engine Fuel system Cooling system I gnition system...
  • Page 55 SPECIFICATIONS...
  • Page 56 Symbols Brake fluid Light engine oil Engine oil See page 38 Rear axle oil Grade : For Service MS Viscosity : Multigrade SAE 10 W-30 Grade : Hypoid oil See page 36. Viscosity : See page 37 Lubricant see notes Gearbox oil Viscosity : See page 37 Notes for lubricating chart...
  • Page 57 Steering box Dynamo (B 18 A) Note I Note 8 Wheel bearings Wheel bearings Note 2 Note 2 Clutch fluid Carburettor Note 3 Note 9 Brake fluid Oil filter Note 3 Note 10 Distributor Gearbox Note 4 Note 7 Engine Handbrake cable Note 5 Note 6...

This manual is also suitable for:

122 s

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