audi Workshop Repair Guides

Audi A4 Workshop Service & Repair Manuals

Removing and installing sealing flange (pulley end) > < Sealing flanges and dual-mass flywheel/drive plate - exploded view
Renewing crankshaft oil seal (pulley end)
   
Renewing crankshaft oil seal (pulley end)
Special tools and workshop equipment required
t  Fitting sleeves -3202-
t  Oil seal extractor -3203-
t  Fitting sleeve -3265-

Procedure
l  Engine in vehicle.
l  Lock carrier must be in service position → Chapter.
–  Remove toothed belt → Chapter.
   
–  Unscrew central bolt -3- for toothed belt sprocket -1- on crankshaft.
–  Detach spacer sleeve -2- and toothed belt sprocket.
  A13-0186
–  Screw inner section of oil seal extractor -3203- six turns out of outer section and lock with knurled screw.
–  Lubricate threaded head of oil seal extractor, place it in position and screw it into oil seal as far as possible (applying firm pressure).
–  Loosen knurled screw and turn inner part against crankshaft until the oil seal is pulled out.
–  Clamp flats of oil seal extractor in vice and use pliers to remove oil seal.
–  Clean contact surface and sealing surface.
  Note
Do not lubricate sealing lip and outer rim of oil seal before pressing in.
  V13-0837
–  Install oil seal using fitting sleeve -3202/1-.
–  Press oil seal in so that it is flush using fitting sleeve -3265- and central bolt.
  Note
Fit spacer sleeve for crankshaft sprocket underneath central bolt.
  V13-0867
–  Install crankshaft sprocket -1- with spacer sleeve -2- and new central bolt -3-.
  Note
t  Contact surface between toothed belt sprocket and crankshaft must be free of oil.
t  Do not lubricate bolt for crankshaft sprocket.
–  Install toothed belt (adjust valve timing) → Anchor.
Tightening torque
  A13-0186
ComponentNm
Toothed belt sprocket to crankshaft200 + 180° 1)
l  1) Renew bolt.

   

Removing and installing sealing flange (pulley end) > < Sealing flanges and dual-mass flywheel/drive plate - exploded view