Audi 80/90/Coupe

since 1986-1991 release

Repair and operation of the car

Audi 80/90/Coupe
+ 1.2. Identification of the car
+ 2. Engines, carburetors
3. Lubrication system
+ 4. Cooling system
+ 5. Fuel system
+ 6. Exhaust system
+ 7. System of ignition
- 8. Transmission
   8.1.2. A fork - the main cylinder of coupling
   8.1.3. Press clutch plate
   8.1.4. Malfunctions of coupling
   + 8.2. Mechanical transmission 012
   - 8.3. Mechanical transmission 01A
      8.3.2. Removal and installation of the transmission
      8.3.3. Dismantling and assembly of the transmission
      + 8.3.4. Differential
      8.3.5. Driveshaft
      8.3.6. Central cardan hinge
   + 8.4. Automatic transmission 089
   + 8.5. Automatic transmission 087
   8.6. Dismantling and assembly of automatic transmissions
   8.7. Block of valves
   + 8.8. Automatic transmission 097
+ 9. Suspension brackets, wheels
+ 10. Brake system
+ 11. Steering
+ 12. Body, salon
+ 13. Air conditioning system
+ 14. Electric equipment

8.3.2. Removal and installation of the transmission


1) disconnect a wire of the negative plug of the accumulator
2) turn off three top bolts of fastening of the engine and the transmission
3) disconnect a wire of grounding of the transmission from the transmission
4) remove sockets of connection of the sending device of a speedometer and the multi-function sending device
5) disconnect wires from the sensor of content of oxygen and a heating element of the sensor
6) remove a protective plate of the engine
7) disconnect an exhaust pipe from a collector
8) separate an exhaust pipe behind the catalyst and remove a pipe and the catalyst
9) remove the driveshaft
10) remove a back cross beam
11) remove a bolt of fastening of thirst of gear shifting for the transmission and leave draft to hang
12) remove a protective plate of the transmission
13) remove the filter of the right half shaft
14) disconnect half shafts from the transmission, turn a steering wheel against the stop to the right and fix half shafts having tied them to a body
15) remove the working cylinder of coupling
16) disconnect cross draft from a shaft of a steering column and turn wheels to the left
17) install the engine on a support
18) install the transmission on a support
19) remove fastening on a back left part of the transmission and forward fastening of the engine
20) remove the thermal screen from the rubber plug
21) remove an arm of fastening of the rubber plug from the transmission
22) remove the rubber plug
23) remove a bolt directing a seat belt tension rope on a back left part of the transmission. Remove ropes that they did not prevent removal
24) lower a back stretcher on the left side, having turned off fastening bolts (are specified by shooters)
25) remove the remaining bolts of fastening of the transmission and engine
26) remove the transmission


Installation is made in the sequence, the return to removal. At installation pay attention to the following:

install the working cylinder of coupling into place by means of the lever so that the bolt was inserted easily.

Check that centering plugs were installed in the block of cylinders before installation.

Moments of an inhaling of threaded connections

Fastening of the transmission to the engine
M8 bolts
25 N of m.
M10 bolts
45 N of m
M12 bolts
65 N of m.
Fastening of the leading shaft to a flange
M8 bolt
45 N of m
Bolts of fastening of a stretcher
M10 bolts
35 N of m.
after an inhaling to turn in addition on 90 ° (a quarter of a turn)
M8 bolt
55 N of m.
Bolts of fastening of cross thirst for a shaft of a steering column
45 N of m.

Fastening of the transmission to the engine

1. M12x70 bolt
2. M12x70 bolt
3. M12x90 bolt
4. M12x80 bolt
5. M8x40 bolt
6. M10x50 bolt
7. M10x40 bolt
8. M8x40 bolt
9. M10x120 bolt
10. M12x100 bolt
11. M12x70 bolt
Centering plugs: points 3 and 11