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Removing and installing sump (top section) > < Checking chain tensioner for oil pump

A4 Mk1

Removing and installing drive chain and chain tensioner for oil pump
Removing and installing drive chain and chain tensioner for oil pump
Special tools and workshop equipment required
   
t  Used oil collection and extraction unit -V.A.G 1782-
  W00-10211
Removing
–  Remove noise insulation -arrows-.
–  Remove front bumper → Rep. Gr.63.
–  Move lock carrier to service position → Rep. Gr.50.
–  Remove toothed belt → Chapter.
–  Remove sump (bottom section) → Chapter.
–  Remove sealing flange (front) → Chapter.
–  Place used oil collection and extraction unit -V.A.G 1782- under engine.
  A10-0018
–  Remove bolt -2- (counterhold at welded-on nut).
–  Detach cover plate at the points indicated by -arrows-.
–  Remove bolts -1- and -3-.
–  Pull off the longer of the two oil pipes.
  A17-0100
–  Unscrew bolt -arrow- and detach chain sprocket from oil pump.
–  Take chain sprocket out of chain.
–  Pull off chain tensioner.
–  Lift off chain.
Installing
Installation is carried out in the reverse order; note the following:
  Note
Renew O-rings.
l  Chain sprocket can only be fitted in one position on oil pump shaft.
–  Install sealing flange (front) → Chapter.
–  Install sump (bottom section) → Anchor.
–  Install toothed belt (adjust valve timing) → Anchor.
–  Install vibration damper → Chapter.
–  Install poly V-belt → Chapter.
–  Install viscous fan → Chapter.
–  Install lock carrier with attachments → Rep. Gr.50.
–  Install front bumper → Rep. Gr.63.
Tightening torques
  A17-0072
ComponentNm
Chain sprocket to oil pump shaft25
Bracket to sump (top section)10
Cover plate to rear cover plate10

   

Removing and installing sump (top section) > < Checking chain tensioner for oil pump