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Renewing exhaust camshaft oil seal > < Valve gear - exploded view

A4 Mk1

Checking axial clearance of camshafts
Checking axial clearance of camshafts
Special tools and workshop equipment required
   
t  Universal dial gauge bracket -VW 387-
  W00-0037
t  Dial gauge -VAS 6079-
Procedure
–  Remove camshafts → Chapter.
  Note
t  Take care not to interchange bucket tappets.
t  Use waterproof felt-tip pen to mark assignment of bucket tappets on back of tappets.
–  Remove the bucket tappets from the guides and put them down with the contact surface downwards.
–  Insert camshafts in cylinder head and fit bearing cap at chain sprocket end and fit double bearing cap.
  W00-1261
–  Attach dial gauge bracket -VW 387- with dial gauge -VAS 6079- to cylinder head:
Inlet camshaft
  A15-0119
Exhaust camshaft
–  Press the camshaft that is to be checked against the dial gauge by hand.
–  Set dial gauge to “0”.
–  Press camshaft away from dial gauge and read off value:
Axial clearance
l  Wear limit for inlet and exhaust camshaft: 0.20 mm.
  A15-0118

Renewing exhaust camshaft oil seal > < Valve gear - exploded view