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Renewing oil seal for Hall sender and sealing cap - cylinder head (left-side) > < Checking axial clearance of camshafts

A4 Mk2

Renewing camshaft oil seals
Renewing camshaft oil seals
Special tools and workshop equipment required
   
t  Oil seal extractor -3240-
  W00-0595
t  Fitting sleeves -3241-
  W00-0579
Procedure
  Note
t  PTFE oil seals are matched to the direction of shaft rotation (see arrow on oil seal). Incorrect allocation to direction of rotation will result in oil leaks.
t  The direction of rotation of the oil seals at the front of the engine is “clockwise”-arrow 1-. The direction of rotation of the oil seals on the back of the engine is “anti-clockwise”-arrow 2-.
–  Remove toothed belt → Chapter.
–  Remove camshaft sprockets.
  Note
Oil seals should be renewed on both cylinder heads if one oil seal is leaking.
–  Position inner section of oil seal extractor -3240- flush with outer section.
Cylinder head (left-side):
–  Unscrew inner section of oil seal extractor 5 turns and lock with knurled screw.
Cylinder head (right-side):
–  Unscrew inner section of oil seal extractor 11 turns and lock with knurled screw.
  A15-0790
Continuation for both sides:
–  Lubricate threaded head of oil seal extractor -3240-, place it in position and, exerting firm pressure, screw it into oil seal as far as possible.
–  Loosen knurled screw and turn inner section against camshaft until oil seal is pulled out.
–  Clamp flats of oil seal extractor in vice. Remove oil seal with pliers.
–  Clean contact surface and sealing surface.
–  Check that oil seal is correctly matched to direction of rotation before installing.
l  Direction of shaft rotation “clockwise” (arrow on oil seal).
–  Slide oil seal over taper on camshaft.
  A15-0075
–  Press in the oil seal with fitting sleeve -3241/1- and hexagon bolt -3241/6- until flush.
–  Install toothed belt (adjust valve timing) → Anchor.
  N15-0169

Renewing oil seal for Hall sender and sealing cap - cylinder head (left-side) > < Checking axial clearance of camshafts