Audi 80/90/Coupe

Since 1986-1991 of release

Repair and car operation

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

THE GENERAL DATA

Data on the engine / to spark plugs

The engine	Audi-90		Audi-90 Quattro	Quattro 20V
The 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, sm3	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
Compression degree	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 backlash, mm	0.7 0.9	0.7 – 0.9	0.7 – 0.9	0.7 – 0.9

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

 – The engine, spark plugs and ignition system are adjusted for teamwork. That the engine continued to work regularly, use only the firm spark plugs recommended by firm Audi. 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 firm Audi who possesses the latest information.

Klinovye belts

The engine, capacity, h.p.	108	130	164
For the generator	–	11.2 х 866	11.2 х 825
For the generator and water насоса1)	9.5 х 950	–	–
For the conditioner compressor	12.5 х 795	12.5 х 915	12.5 х 915
For the pump of the hydraulic booster of a steering	9.5 х 850	12.5 х 992	12.5 х 992

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

Klinovye 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 maintenance of safe work of the engine, use only firm клиновые the belts of firm Audi developed specially for your car. Klinovye belts can be got at the dealer of firm Audi.