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Removing and installing camshafts > < Valve gear - exploded view

A4 Mk3

Removing and installing camshaft oil seal
   
Removing and installing camshaft oil seal
Special tools and workshop equipment required
t  Fitting tool -10-203-
t  Oil seal extractor -3240-
t  Torque wrench -V.A.G 1331/-
t  Torque wrench -V.A.G 1332/-
t  Bolt M12×1.5×75

Removing
–  Detach toothed belt from camshaft and high-pressure pump → Chapter.
–  Remove camshaft sprocket and hub → Chapter.
   
–  Insert thrust piece -3240/1- in camshaft.
–  Screw inner section of oil seal extractor 3240 out of outer section by two turns (approx. 3 mm) and lock with knurled screw.
  A15-10683
–  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 section against camshaft until oil seal is pulled out.
Installing
  Note
The sealing lip of the oil seal must not be additionally oiled or greased.
  N15-0273
–  Apply guide sleeve -10-203- to camshaft as shown in illustration.
–  Carefully push oil seal -1- over guide sleeve and onto camshaft.
  A15-10684
–  Press in oil seal onto stop using thrust piece of fitting tool 10-203 and bolt M12×1.5×75.
–  Install camshaft sprocket and hub → Chapter.
–  Fit toothed belt and adjust valve timing → Chapter.
  N15-0274

Removing and installing camshafts > < Valve gear - exploded view