audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

ABOUT US
Removing and installing wheel bearing unit > < Removing and installing wheel bearing housing

A3 Mk2

Renewing bonded rubber bush for wheel bearing housing
   
Renewing bonded rubber bush for wheel bearing housing
Special tools and workshop equipment required
t  Assembly tool -3346-
t  Assembly tool -3350-
t  Fitting sleeve -3378-
t  Carrier -3390-
t  Torque wrench -V.A.G 1332-

   
Removing
–  Measure distance from centre of wheel to lower edge of wheel housing → Chapter.
–  Remove wheel.
–  Remove coil spring → Chapter.
–  Remove wheel bearing/wheel hub unit → Chapter.
–  Remove splash plate.
–  Unscrew bolt -arrow- for lower transverse link -1-.
  A42-0423
Pressing out bonded rubber bush
1 - Nut -3346/3-
2 - Carrier -3390-
3 - Assembly tool -3350-
4 - Nut (commercially available type)
5 - Spindle -3346/2-
–  Pull out bonded rubber bush by turning spindle.
  N42-10163
Installing bonded rubber bush
1 - Nut -3346/3-
2 - Assembly tool -3346-
3 - Bonded rubber bush
4 - Fitting sleeve -3378-
5 - Nut (commercially available type)
6 - Spindle -3346/2-
–  Draw in the bonded rubber bush by turning the spindle.
  Note
t  Do not use lubricant.
t  Insert bush carefully to keep it straight.
  N42-10164
–  After installing, check that bonded rubber bush is in correct position.
l  Dimensions -A- and -B- must be equal (measured at points without projecting seam or burrs on casting).
–  Press bush in further if dimensions -A- and -B- are not equal.
If the bonded rubber bush has to be pressed in further, use a 27 mm socket (commercially available type) in place of fitting sleeve -3378-.
Installing
Installation is performed in reverse sequence; note the following:
Tightening torques → Chapter „Exploded view of subframe, diagonal strut, lower transverse link, upper transverse link, track rod, vehicle level senders“
Tightening torques → Chapter „Part II: Wheel bearing housing, wheel bearing unit, trailing arm with mounting bracket, stone deflector“
Tightening torques → Chapter „Exploded view of shock absorbers, coil springs“
Tightening torques → Chapter „Exploded view of anti-roll bar“
The bolted connections on the wheel bearing housing may only be tightened when the original distance between the wheel hub centre and the lower edge of the wheel housing (as measured before assembly) has been obtained → Chapter.
  A42-10357

Removing and installing wheel bearing unit > < Removing and installing wheel bearing housing