audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Dismantling and assembling front final drive > < Removing and installing drive wheel for speedometer sender G22
Renewing oil seal and grooved ball bearing for flange for propshaft on gearbox
   
Renewing oil seal and grooved ball bearing for flange for propshaft on gearbox
Special tools and workshop equipment required
t  Adapter -VW 295 A-
t  Thrust plate -VW 401-
t  Thrust plate -VW 402-
t  Press tool -VW 407-
t  Tube -VW 415 A-
t  Tube -VW 416 B-

   
t  Press tool -VW 433-
t  Press tool - VW 454-
t  Oil seal extractor lever -VW 681-
t  Multi-purpose tool -VW 771-
t  Punch -2005-
t  Torque wrench -V.A.G 1331-
t  Shim -016 311 391 B-

   
t  Counterhold tool -T10172- with adapter -T10172/5-
  W00-1386
t  Used oil collection and extraction unit -V.A.G 1782-
  W00-10211
Exploded view
1 - Gearbox
2 - Grooved ball bearing
3 - Bearing housing
q   With damper weight (depending on version)
4 - Oil seal
q   Driving in → Anchor
5 - Flange shaft
q   On vehicles with 4-cyl. TDI engine and vibration damper → Anchor
6 - Bolt, 25 Nm
q   6x
7 - O-ring
q   Renew
8 - Circlip
9 - Dished spring
q   Mark installation position when removing: larger diameter (concave side) towards shims → Item
10 - Shims
11 - Spring
12 - Oil drain plug, 40 Nm

Removing
l  Gearbox in vehicle
  Note
   
The flexible joint (de-coupling element) on the front exhaust pipe must not be bent more than 10° – otherwise it can be damaged.
–  Disconnect exhaust system at clamps -arrows-.
  Note
Illustration shows vehicle with V6 petrol engine.
–  Disengage rear section of exhaust system at rubber mountings and remove.
  Note
A second mechanic is required for removing the rear section of the exhaust system.
  A26-0437
–  Unbolt heat shield for propshaft -arrows-.
  V39-1844
–  Unbolt propshaft from gearbox.
–  Slide propshaft together towards rear final drive. The constant velocity joints can be moved axially.
  A39-10185
–  Use wire -arrow- to tie propshaft -1- onto heat shield.
  A34-0465
Vehicles with 4-cylinder TDI engine:
–  Lever off vibration damper -A- (weight approx. 5 kg) by applying a lever -B- on alternate sides.
Continued for all vehicles:
–  Place used oil collection and extraction unit -V.A.G 1782- below gearbox.
–  Remove rear oil drain plug (on end cover) and allow gear oil to drain off.
–  Unscrew bolts securing bearing housing.
  Note
Bearing housing is pressed slightly off end cover by coil spring when securing bolts are loosened.
  A34-10282
If the bearing housing is not pressed off:
–  Pull flange shaft off end cover together with bearing housing and damper weight.
–  Detach bearing housing.
  N39-0829
–  Detach circlip from flange shaft.
–  Press out flange shaft.
  V39-1857
–  Pull out flange shaft oil seal.
–  Thoroughly clean seat for oil seal.
  V39-1858
–  Press out grooved ball bearing.
  V39-1874
Installing
–  Press in new grooved ball bearing into bearing housing.
  V39-1877
–  Preparing oil seal for installation:
A - Shim -016 311 391 B- (1.7 mm thick)
B - Oil seal
–  Lightly oil outer circumference of seal -B-.
–  First fit shim -016 311 391 B-, then oil seal onto punch -2005-.
l  Installation position: open side of seal towards gearbox.
  V39-0862
–  Drive in flange shaft oil seal.
–  Remove shim after driving in oil seal.
–  Pack space between sealing lip and dust lip half-full with sealing grease -G 052 128 A1-.
  V39-1859
–  Press in flange shaft.
–  Fit circlip onto flange shaft.
–  Lightly oil O-ring and fit into groove on bearing housing.
–  Fit dished spring and shims into bearing housing.
l  Installation position: larger diameter (concave side) towards the shims.
–  Fit coil spring onto flange shaft.
–  Then tighten bearing housing bolts alternately in diagonal sequence.
–  Secure propshaft to gearbox → Rear final drive 01R; Rep. Gr.39.
–  Fill manual gearbox with gear oil and check oil level → Chapter.
  V39-1860

Dismantling and assembling front final drive > < Removing and installing drive wheel for speedometer sender G22