audi Workshop Repair Guides

Audi A4 Cabriolet Workshop Service and Repair Manuals

Removing and installing camshafts and hydraulic chain tensioner > < Renewing exhaust camshaft oil seal
Renewing inlet camshaft oil seal
Renewing inlet camshaft oil seal
Special tools and workshop equipment required
   
t  Oil seal extractor -2085-
  W00-0263
t  Assembly tool -T10071-
t  Bolt M8x60
  W00-1189
Procedure
–  Lift off engine cover -arrows-.
  A10-0974
–  If fitted, detach cover -1- on right of engine compartment.
  A10-1030
–  Disengage activated charcoal filter solenoid valve 1 -N80--item 1- at air duct.
–  Remove bolts -arrows-.
–  Remove air duct -2-.
  A10-0900
–  Unplug electrical connector -arrow- at Hall sender -G40-.
  A15-0128
–  Remove toothed belt cover (top section) -arrows-.
–  Remove Hall sender housing and also washer and rotor for Hall sender.
  A10-1188
–  To guide oil seal extractor, screw bolt -2085/1- into camshaft as far as it will go until finger-tight.
–  Unscrew inner part of oil seal extractor -2085- 2 turns (approx. 3 mm) from outer part of extractor and lock in position with knurled screw.
  A15-0122
–  Lubricate threaded head of oil seal extractor -2085-, 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.
  A15-0123
–  Place guide sleeve -T10071/5- onto camshaft journal.
  Note
Do not lubricate sealing lip of oil seal.
–  Slide oil seal over guide sleeve onto camshaft journal.
–  Detach guide sleeve.
  A15-0666
–  Press oil seal in as far as the stop using press sleeve -T10071/3- and bolt M8x60.
–  Install Hall sender → Item.
  A15-0668
–  Install top section of toothed belt cover (make sure it engages securely on centre section of toothed belt cover).
–  Secure top section of toothed belt cover -arrows-.
Tightening torques
  A10-1188
ComponentNm
Hall sender rotor to camshaft25
Hall sender housing to cylinder head10
Toothed belt cover (top section) to cylinder head10

   

Removing and installing camshafts and hydraulic chain tensioner > < Renewing exhaust camshaft oil seal