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






8.3.5. Driveshaft

GENERAL INFORMATION

Driveshaft (4x4)

1. Transmission
2. Epiploon
3. 55 N. of m, самоконтрящийся
4. Adjusting washer
5. 20 N. of m.
6. Back differential
clear a tap a carving of fixing openings before installation of the driveshaft
7. Driveshaft
8. Plate
9. Transmission flange
clear a tap a carving of fixing openings before installation of the driveshaft

The driveshaft is not subject to repair. If there is a noise or vibration of the driveshaft, check the accuracy of installation of the driveshaft. If adjustment does not fix a problem, it is necessary to replace all driveshaft.

During the work with the driveshaft the car has to be installed on the elevator or on a repair hole.

Removal / installation

PERFORMANCE ORDER
1) remove the catalytic converter and an exhaust pipe
2) tie up an exhaust pipe to a body on the right
3) weaken bolts of a flange of the transmission, back differential and the central support
4) install the tool 3139 on the driveshaft and tighten plastic nuts

Prevention

The white point on a back flange of the driveshaft has to coincide with a black point on a flange of back differential at installation of the driveshaft. If these points are not visible, note mutual position of the driveshaft and a flange of back differential before removal of the driveshaft.


5) remove bolts of fastening of the driveshaft to a flange of the transmission and back differential
6) prop up the driveshaft and the tool 3139 and remove bolts of the central support
7) remove together the driveshaft and the tool 3139
8) installation is carried out upside-down removals

Prevention

Do not bend the driveshaft. You store and transport it only in the straightened situation.


9) always check the accuracy of installation of the driveshaft after completion of installation

Moments of an inhaling of threaded connections

Fastening of the driveshaft to the transmission
55 N of m.
Fastening of the driveshaft to back differential
55 N of m.
Fastening of the central support to a body
20 N of m.

Adjustment

Exact adjustment is necessary for equal and silent work.

PERFORMANCE ORDER
1) remove an exhaust pipe and the catalytic converter
2) tie up an exhaust pipe to a body on the right
3) weaken bolts of the central support
4) install the tool 3139 on the driveshaft and tighten plastic nuts
5) remove bolts of fastening of the central support and adjusting washers
6) measure distance and, the gap has to be identical on both parties

Definition of the central situation

PERFORMANCE ORDER
1) move by means of the tool 3139 the driveshaft back against the stop
2) note the provision of a fixing arm on a body (arrow A)
3) move by means of the tool 3139 the driveshaft forward against the stop
4) note the provision of a fixing arm on a body (arrow B)
5) establish a fixing arm in the middle between two marks (an arrow C)
6) establish bolts and washers of the required thickness, tighten bolts to 20 N. of m.
7) remove the tool 3139
8) establish an exhaust pipe and the catalytic converter