Audi Workshop Service and Repair Manuals

Renewing camshaft oil seals

Special tools and workshop equipment required

t	Fitting tool -10-203-

t	Oil seal extractor -3240-

t	Counterhold tool -T10051-

t	Puller -T10052-

t	Bolt M12x60

Procedure –  Move lock carrier to service position → Chapter. –  Remove toothed belt → Chapter.

–  Remove locking pins -3359-. –  Remove securing bolts -arrows- for camshaft sprockets. –  Remove the camshaft sprockets from hubs.

–  Loosen securing bolt -1- for hub on inlet camshaft; use counterhold tool -T10051-.

–  Loosen securing bolt -1- for hub on exhaust camshaft; use counterhold tool -T10051-. –  Unscrew securing bolts of hubs approx. 2 turns.

–  Fit puller -T10052- on hub of inlet camshaft and screw bolts -arrows- into hub. –  Remove hub by screwing in bolt -1- while counterholding at hexagon flats (30 mm) of puller.

–  Fit puller -T10052- on hub of exhaust camshaft and screw bolts -arrows- into hub. –  Remove hub by screwing in bolt -1- while counterholding at hexagon flats (30 mm) of puller.

–  Adjust inner part of oil seal extractor -3240- so that it is flush with the outer part and lock in position with knurled screw. –  Lubricate threaded head of oil seal extractor, place it in position and exerting firm pressure, screw it into oil seal of inlet camshaft 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.

–  Adjust inner part of oil seal extractor -3240- so that it is flush with the outer part and lock in position with knurled screw. –  Lubricate threaded head of oil seal extractor, place it in position and exerting firm pressure, screw it into oil seal of exhaust camshaft 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 running surface and sealing surface. –  Use a clean cloth to wipe off oil residue on camshaft journal. –  Tape off groove on taper of both camshafts with adhesive tape.   Note

Do not additionally lubricate or grease sealing lips of oil seals. –  Carefully position oil seal on inlet camshaft. –  Press in oil seal with press piece of fitting tool -10-203- and bolt M12×60 as far as the stop.

–  Carefully position oil seal on exhaust camshaft.

–  Attach hub to exhaust camshaft. –  Press in oil seal with press piece of fitting tool -10-203- and bolt M12×60 as far as the stop. –  Tighten securing bolt -1- to 100 Nm (use counterhold tool -T10051-).

–  Attach hub to inlet camshaft. –  Tighten securing bolt -1- to 100 Nm (use counterhold tool -T10051-).

–  Push camshaft sprockets onto hubs. l  The toothed segments -arrows- in the camshaft sprockets must both face upwards. –  Screw in bolts -1- finger-tight. –  Lock hubs with locking pin -3359- (2x). Remaining installation steps are carried out in reverse sequence; note the following: –  Install toothed belt (adjust valve timing) → Anchor. –  Install vibration damper → Chapter. –  Install poly V-belt → Chapter. –  Install lock carrier with attachments → Rep. Gr.50.

–  Allow stop for torque reaction support to rest on rubber buffer for torque reaction support under its own weight and tighten nuts -arrows-. –  Install bumper cover (front) → Rep. Gr.63. Tightening torques

Component	Nm
Stop for torque reaction support to lock carrier	28
Hose clips (9 mm wide)	3
Hose clips (13 mm wide)	5.5