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
- 9. Suspension brackets, wheels
   9.1.1. Elimination of resonance / vibration of a cross-piece (4-cylinder models)
   9.1.2. Change of a design of a forward suspension bracket
   9.1.3. Half shaft
   9.1.4. Suspension bracket rack
   9.1.5. CV JOINTS
   9.1.6. Suspension bracket rack (all-wheel drive models)
   9.1.7. CV JOINTS (all-wheel drive models)
   + 9.2. Back suspension bracket
   + 9.3. Wheels and tires
+ 10. Brake system
+ 11. Steering
+ 12. Body, salon
+ 13. Air conditioning system
+ 14. Electric equipment






9.1.6. Suspension bracket rack (all-wheel drive models)

GENERAL INFORMATION

Prevention

Do not try provoditsvarochny works or to level elements of a forward suspension bracket which are responsible for fastening and installation of wheels.


Cross-piece of a forward suspension bracket / the Lever of a forward suspension bracket / the Stabilizer of cross stability – for all-wheel drive models
1. Rubber plug
fastens by means of a bolt to a cross-piece of a forward suspension bracket
2. 40 N.m.
always replace
3. Plug of the stabilizer of cross stability
before installation cover with talc
4. Clip
it is necessary to install the plug of the stabilizer of cross stability correctly
5. Arm
6. 35 N. of m.
7. Plug of the stabilizer of cross stability
8. Connecting draft
establish so that sides were at right angle to the direction of the movement of the car
9. Bolt / washer
always replace
10. Plug of the lever of a forward suspension bracket
11. Plug
12. 20 N. of m.
always replace
13. Stabilizer
14. Washer
always replace
15. 35 N.m.
after twisting till the required moment of an inhaling turn in addition on a quarter of a turn (9O °)
always replace
16. Forward plug of a cross-piece of a forward suspension bracket
17. 20 N. of m.
18. 40 N. of m.
after twisting till the required moment of an inhaling turn popolnitelno on a quarter of a turn (90 °)
always replace
tighten when the car costs on the earth
19. 65 N. of m.
always replace
20. Spherical hinge
note the provision of installation at removal from a rack of the wheel bearing
adjust disorder of forward wheels after installation
21. Rubber plug of the stabilizer of cross stability
22. Plug
23. Lever of a forward suspension bracket
24. Bolt
always replace
the head has to be turned forward
25. 35 N. of m.
26. 65 N. of m.
always replace
27. Washer
always replace
28. Back plug of a cross-piece of a forward suspension bracket
29. Cross-piece of a forward suspension bracket
precisely level after installation
delay fastenings in the following order:
1. Back left
2. Back right
3. Forward left
4. Forward right

The lever of a forward suspension bracket – for all-wheel drive models
1. Lever of a forward suspension bracket
levers of a forward suspension bracket differ for the left and right parties
2. Plug
3. Spherical hinge
spherical hinges differ for the left and right parties
trailer diameter = 19.0 mm
do not expand a nest in a wheel spoke bearing rack at removal / installation
carry out adjustment of disorder of forward wheels after installation
4. Washer
5. 65 N. of m.
always replace
6. A plate with bolts
install on the lever of a forward suspension bracket against the stop

The lever of a forward suspension bracket (from stainless steel) – for Coupet's models
1. Connecting draft
2. Plug
3. Lever of a forward suspension bracket
modification from stainless steel
levers of a forward suspension bracket differ for the left and right parties
4. Washer
5. 25 N. of m.
always replace
6. 65 N. of m.
always replace
7. Washer
8. A plate with bolts
9. Spherical hinge
spherical hinges differ for the left and right parties
trailer diameter = 19.0 mm
do not expand a nest in a rack of the wheel bearing at removal / installation
carry out adjustment of disorder of forward wheels after installation
10. Washer

Suspension bracket rack – for all-wheel drive models
1. Cover
2. Suspension bracket rack
at removal do not remove a half shaft
3. Half shaft
does not stick together with a wheel nave
for removal: turn off a bolt of fastening and
remove it from a nave
turn a rack of the wheel bearing
and respectively steering wheel
4. Epiploon
remove a protective film and paste to a half shaft
5. Washer
6. M8: N of m.
M10: 80 N. of m.
7. 80 N.m.
after twisting till the required inhaling moment, turn in addition half way (180 °)
always replace with bolts of new modification
8. Cross draft
remove by means of a two-foot stripper
9. Bolt
always replace
10. The lever of a forward suspension bracket with the spherical hinge
at removal of the spherical hinge from a rack of the wheel bearing do not expand a nest in a rack of the wheel bearing
11. Bolt and washer
always replace
M14x1.5 = tighten to 120 N. m then turn popolnitelno on a quarter of a turn (90 °)
M16x1.5 = tighten do200 N. of m then turn in addition on a quarter of a turn (90 °)
turn off and twist, only when the car costs on the earth
12. 65 N. of m.
13. Bolt
always replace with bolts of new modification
note the provision of installation before removal
14. Emphasis
15. 60 N. of m.

Prevention

Always precisely level a rack of a forward suspension bracket after installation.


The spring / Shock-absorber – for all-wheel drive models

1. Spring cover
2. Washer
3. Cover
4. Spring
color designation is on the party of the spring turned to a rack
5. Rigid emphasis
there are various types – usual and specialized for operation in severe road conditions
6. Fastening of a rack of a suspension bracket
is on sale as the spare part complete with the installed ball-bearing
7. Koronchaty nut, 50 N. of m.
squeeze a spring before removal of a nut
8. The wound cap, 150 N. of m.
9. Shock-absorber
shock-absorbers can be replaced separately
pneumatic shock-absorber
identification = an orange point on a front surface of a rod of the piston
10. Shock-absorber rack

Prevention

Check operation of shock-absorbers, having stretched and having squeezed them hands (at the same time hold them vertical position). Resistance of the shock-absorber has to be equal and identical on all piston stroke.


The hug bearing a hug bearing wheel / Rack a wheel wheel / Nave – for all-wheel drive models
1. Protective ring
2. Cap
on cars with ABS on this place the plug for fastening of the sensor of speed is installed
3. Lock ring
observe correctness of installation
is not established since January, 1989
4. Wheel nave
various types for Coupet's models and the Sedan
5. Wheel bearing
on cars with 20-valvate engines the external diameter of the hug bearing is equal to 82 mm
observe correctness of installation:
the party of the bearing with a big internal diameter has to was is turned to a wheel nave
always replace with the new bearing as the old bearing collapses at removal
6. 10 N. of m.
7. Antisplash guard
8. Rack of the wheel bearing
on cars with 20-valvate engines the internal diameter of an opening for installation of the hug bearing is equal to 82 mm.
you do not apply lubricant on a bearing installation site before its installation
do not expand a nest of the spherical hinge in a rack of the wheel bearing at removal of the spherical hinge
precisely level a rack of a forward suspension bracket after installation

Removal of a rack of a suspension bracket
PERFORMANCE ORDER
1) weaken bolts of fastening of wheels
2) remove a nut or a bolt of fastening of a nave of a wheel / half shaft (the car has to stand at the same time on the earth)
3) remove a washer
4) remove a wheel
5) remove bolts of fastening of a brake support and a support (average shooters)
6) remove a brake disk
7) remove an arm of fastening of a brake hose (the top arrow) and attach a support to a body by means of a wire
8) remove a bolt of fastening of the spherical hinge to a rack of the wheel bearing (it is specified by the lower arrow)
9) remove cross draft
10) remove a nut from connecting draft (it is specified by an arrow)
11) wring out by means of the lever the lever of a forward suspension bracket down to disconnect the spherical hinge from a rack of the wheel bearing

Prevention

At removal of the spherical hinge, turn a steering wheel here and there (you will need the help of the second mechanic).