audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Renewing ball bearing for flange shaft (rear) > < Removing and installing centre differential housing with gearbox installed
Renewing oil seal for flange shaft (rear)
   
Renewing oil seal for flange shaft (rear)
Special tools and workshop equipment required
t  Thrust plate -VW 401-
t  Thrust plate -VW 402-
t  Press tool -VW 409-
t  Press tool -VW 412-
t  Base plate -VW 441-
t  Thrust piece -T40190-

   
Procedure
–  Remove centre differential housing → Chapter.
–  Remove circlip -arrow- on inside of housing.
  Note
The circlip locates the flange shaft on the bearing in the housing.
  A39-0378
–  Press flange shaft -A- out of centre differential housing using press tool -VW 409-. To do so, place housing onto thrust plate -VW 401- and thrust plate -VW 402-.
  Note
Hold flange shaft -A- with one hand to prevent if falling.
  A39-0379
–  Pry out oil seal.
  Note
To prevent damage to the housing, place something underneath (e.g. metal bar -A-) .
  A39-0377
Installing
–  Lubricate outer circumference of seal with gear oil.
l  Installation position: open side of seal should face housing.
–  Drive in new oil seal as far as stop using thrust piece -T40190-. Make sure oil seal remains straight.
–  Pack space between sealing lip and dust lip half-full with sealing grease -G 052 128 A1-.
  A37-10972
–  Press flange shaft -A- into centre differential housing using base plate -VW 441- and press tool -VW 412-. To do so, place housing onto thrust plate -VW 401- and thrust plate -VW 402-.
  Note
Only insert flange shaft as far as necessary to install circlip.
  A39-10344
–  Fit circlip -arrow- into groove on flange shaft.
–  Install centre differential housing → Chapter.
–  Fill up gear oil in transfer box → Chapter
  A39-0378

Renewing ball bearing for flange shaft (rear) > < Removing and installing centre differential housing with gearbox installed