Volvo 780 User manual

1989 Volvo 780

1 9 8 9

VOLVO

780

Contents

A comprehensive index is located at the back of this manual.

Introduction

Instruments and controls

Body and interior

Starting and driving

Wheels and tires

In case of emergency

Car care

Service and routine

maintenance

Specifications

Index

All information, illustrations and specifications contained in this manual are based on the latest product

information available at the time of publication. Volvo reserves the right to make model changes at any

time, or to change specifications or design, without notice and without incurring obligation.

pg. 2 This manual deals with the operation and care of your Volvo

Welcome to the world-wide family of Volvo owners. We trust that you will enjoy many years of safe

driving in your Volvo, an automobile designed with your safety and comfort in mind. To ensure your

satisfaction with this vehicle, we encourage you to familiarize yourself with the equipment descriptions,

operating instructions and maintenance requirements/recommendations in this manual. We also urge you

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1989 Volvo 780

and your passengers to wear seat belts at all times in this (or any other) automobile. And, of course,

please do not operate a vehicle if you may be affected by alcohol, medication or any impairment that

could hinder your ability to drive.

Your Volvo is designed to meet all applicable safety and emission standards, as evidenced by the

certification labels attached to the door opening sheet metal and on the left wheel housing in the engine

compartment. For further information regarding these regulations, please contact your dealer.

pg. 3 Seatbelts: "Something We Believe In"

Despite our strongest recommendation, and your best intentions, not wearing a seatbelt is like believing

"it'll never happen to me!". Volvo urges you and all adult occupants of your car to wear seatbelts and

ensure that children are properly restrained, using an infant, car or booster seat determined by age,

weight and height.

Fact: In every state, some type of child-restraint legislation has been passed. Additionally, some states

are seriously considering, or have already made it mandatory for occupants of a car to use seatbelts.

So, urging you to 'buckle up' is not just our recommendation - its becoming the law! The few seconds it

takes to buckle up may one day allow you to say, "Its a good thing I was wearing my seatbelt."

pg. 4 Introduction

This Owner's manual provides information on driving and maintaining your Volvo

It should be noted that there are certain differences among model versions and market requirements;

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1989 Volvo 780

thus, you may find features described and/or pictured in this manual that do not appear on your car.

Should you require more detailed information with regard to adjustments or repairs please contact your

Volvo dealer.

Do not export your Volvo to another country before investigating that country's applicable safety

and exhaust emission requirements. In some cases it may be difficult or impossible to comply with

these requirements. Modifications to the emission control system(s) may render your Volvo not

certifiable for legal operation in the U.S., Canada, and other countries.

pg. 5 Keys

The key number codes are stamped on a separate tag supplied with the keys. This tag should be

separated from the key ring and kept in a safe place.

The double-sided tape on the back of the tag can be used to secure it safely.

In the event the original keys are lost, duplicates may be ordered from your Volvo dealer.

The central locking system is described in detail in section "Door and locks".

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1989 Volvo 780

Top of Page

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1989 Volvo 780

1 9 8 9

VOLVO

780

Instruments and controls

pg. 6 Instruments, Switches and controls

pg. 7 Instruments, Switches and controls

1 Air louver 21

2 Headlights, parking lights 14

3 Turn signals, Cruise Control 14-

4 Hazard warning flashers 14

5 Instruments 8

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1989 Volvo 780

6 Wiper/washer 15

7 Air louvers 21

8 Heating and ventilation 21

9 Audio cassette/tuner 13

10 Cigarette lighter 18

11 Ash tray 18

12 Electrically-heated driver's seat 19

13 Electrically-heated passenger seat 19

14 Parking brake 18

15 Rear fog lamps 17

16 Fog lights 17

17 Power antenna 20

18 Fuel cap cover 43

19 Horn -

20 Starting switch/steering wheel lock 15

21 Electrically operated moon roof 27

22 Rear window/rear view mirror

demister 19

23 Hood release handle 37

24 Electrically operated windows 20

24 Electrically operated rear view mirrors 26

24 Electrically operated door locks 34

25 Electrically operated front seat 39

The pages in this section provide a detailed description of the vehicle's instruments and controls.

Note that vehicles may be equipped differently, depending on special legal requirements, etc.

pg. 8 Instruments

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1989 Volvo 780

NOTE: Canadian model speedometers/odometers indicate kilometers only.

1 Volt meter

2 Fuel gauge

3 Clock reset knob

4 Quartz crystal clock

5 Speedometer

6 Trip odometer

7 Trip odometer reset knob

8 Odometer

9 Tachometer

10 Instrument panel lamps rheostat

11 Coolant temperature gauge

12 Oil temperature gauge - or Boost gauge (Turbo models)

pg. 9 Instruments

Quartz crystal clock

To reset the hands, push in the reset knob and turn.

Tachometer

Reads thousands of engine rpm. Engine should not be operated in red range.

Trip odometer

Used for measuring shorter distances. Last figure represents 1/10 mile or km. A black number on a white

background = original instrument. A red number on a white background = replacement instrument

Trip odometer reset knob

Push in to reset

Coolant temperature gauge

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1989 Volvo 780

The pointer should be approximately midway on the gauge face when driving. If the pointer approaches

the red range repeatedly, check coolant level and fan belt tension. See sections "Coolant" and "Drive

belts".

WARNING!

Allow engine to cool before adding

coolant.

If the pointer stays in the red range, do not drive the car. Call Road Assistance.

Fuel gauge

The fuel tank capacity is approx. 21.1 US gals (80 liters).

The red range represents approx. 2.4 US gals. (9 liters). See "Refueling" For further information

Instrument panel lamps rheostat

Clockwise = brighter.

Counterclockwise = dimmer.

Oil temperature gauge (B280F)

This instrument shows the engine oil temperature which varies with the ambient temperature, rpm, load

and speed.

Normal oil temperature: 140-250°F.

The sender is installed in the oil sump drain plug hole.

Voltmeter

The voltmeter indicates the voltage in the electrical system and thereby also the state of the battery.

While the car is being driven the pointer should be within the black field. Should the pointer point to the

upper or lower red field when driving, this may indicate some fault in the electrical system.

Boost pressure gauge

(B230F-Turbo) The boost pressure gauge is divided into sections.

Black section: The engine acts as a normally-aspirated engine. Best fuel economy is achieved while

driving in this range.

Yellow section: The turbo is providing boost pressure.

pg. 10 Indicator and warning lights

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1989 Volvo 780

1 Turn signal, left

2 Turn signal, right

3 (Not connected)

4 (Not connected)

5 ABS malfunction

6 Service reminder light

7 SRS (Supplemental Restraint System)

8 Low engine oil pressure

9 Alternator not charging

10 (Not connected)

11 High beams

12 Brake failure

13 Parking brake applied

14 Bulb failure

15 Low washer fluid level.

If the lamp glows continuously when the engine is running, there is only about 1/2 - 1 US qts. remaining

in the washer fluid reservoir.

16 4th gear disengaged

17 Fasten seat belts

18 (Not connected)

pg. 11 Warning lights

The warning lights described on this page should never stay on when driving

Alternator warning light

If the light comes on while the engine is running, check the tension of the alternator drive belt as soon as

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1989 Volvo 780

possible.

NOTE: This warning light is illuminated if the alternator is not charging. However, parking brake,

brake failure and bulb failure warning lights will be illuminated at the same time due to the design

of the system.

Brake failure warning light

If the light comes on while driving and the brake pedal can be depressed further than normal, it is an

indication that one of the brake circuits is not functioning.

Stop immediately, open hood and check brake fluid level (see section "Brake fluid, Power steering")

WARNING!

Fluid level below MIN mark": Do NOT drive. Tow car to shop for check/repair of brake

system.

Fluid level between MIN and MAX mark: Proceed immediately and with caution to a Volvo dealer for

an inspection of the brake system.

Oil pressure warning light

If the light comes on during driving, the oil pressure is too low. Stop the car and then stop the engine

immediately. Do not drive the vehicle. See section titled "Engine oil".

After hard driving, the light will come on occasionally when the engine is idling. This is normal,

provided it goes off when the engine speed is increased.

Bulb failure warning light

The light will come on if any of the following bulbs are defective:

one of the low beam headlights

one of the tail lights

one of the brake lights (when the brake pedal is depressed)

Check the fuse and bulb.

See sections titled "Replacing bulbs" and "Fuses".

Should the warning light come on after a defective outside bulb has been replaced, the corresponding

bulb on the other side-of the car should also be replaced.

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