Audi 80/90/Coupe

since 1986-1991 of release

Repair and car operation

Audi 80/90/Coupe
- 1.2. Car identification
   1. Maintenance instruction
   1.3. Arrangement of identification plates
   1.4. Dashboard
   + 1.5. Car service
   + 1.6. Independent service of the car
   - 1.7. Specifications
      1.7.2. Audi-90 Quattro, Quattro 20V Audi-90/models
   1.8. Capacities
   1.9. Sizes
   1.10. Loadings
   1.11. Schedule preventive car servicings / greasings
+ 2. Engines, carburetors
3. Greasing system
+ 4. Cooling system
+ 5. Fuel system
+ 6. Exhaust system
+ 7. Ignition system
+ 8. Transmission
+ 9. Suspension brackets, wheels
+ 10. Brake system
+ 11. Steering
+ 12. Body, salon
+ 13. Central air
+ 14. Electric equipment

1.7.2. Audi-90 Quattro, Quattro 20V Audi-90/models

GENERAL INFORMATION

Data on engines / spark plugs

Engine	Audi-90		Audi-90 Quattro	Quattro 20V
Maximum capacity	108 h.p. at 5300 rpm	130 h.p. at 5700 rpm	130 h.p. at 5700 rpm	164 h.p. at 6000 rpm
Number of cylinders	4	5	5	5
Working volume, ^cm3	1984	2309	2309	2309
Working piston stroke, mm	92.8	86.4	86.4	86.4
Diameter of the cylinder, mm	82.5	82.5	82.5	82.5
Extent of compression	10.5:1	10:1	10:1	10.3:1
Spark plugs
Bosch	W 7 DTC	W 7 DTC	W 7 DTC	F6 DTC
Beru	14-7 DTU	14-7 DTU	14-7 DTU	14F-6DTU
Champion	N 7 BYC	N 7 BYC	N 7 BYC	C6 BYC
Interelectrode gap, mm	0.7–0.9	0.7-0.9	0.7-0.9	0.7-0.9

At carrying out scheduled preventive maintenance in a repair truck replacement of spark plugs is carried out. If you want to replace candles between scheduled preventive maintenance, it is necessary to remember the following:

– the engine, spark plugs and system of ignition are adjusted for collaboration. In order that the engine continued to work regularly, use only firm spark plugs recommended by Aуди firm. Also it is very important to pay attention to number of electrodes and heating temperature;
– as on models of one year of release in view of the technical reasons spark plugs with various characteristics can be established, we recommend, that you got spark plugs at the dealer of Aуди firm who possesses the most last information.

Maple belts

Engine, in capacity, in h.p.

108

130

164

for the generator
–

11.2 x 866

11.2 x 825

for the generator and water ^{насоса1)}
9.5 x 950

–

–

for the conditioner compressor
12.5 x 795

12.5 x 915

12.5 x 915

for the pump of the hydraulic booster of a steering
9.5 x 850

12.5 x 992

12.5 x 992

¹⁾ this belt is absolutely necessary for operation of the engine. Therefore it is recommended, that you always had a spare maple belt in the car for fast replacement.

Maple belts test the greatest loading at car operation. Therefore they should be of very high quality.

At belt replacement, it is impossible to use any belt of the same size simply. For ensuring safe operation of the engine, use only firm maple belts of Aуди firm developed specially for your car. Klinovye can be got belts at the dealer of Aуди firm.