Audi Workshop Service and Repair Manuals

Renewing camshaft oil seal

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 M12x65

Procedure –  Vehicles with auxiliary heater: remove bolts -arrows- securing exhaust pipe for auxiliary/additional heater to noise insulation.

–  Release quick-fasteners -1- and -2- and take off front noise insulation. Leave rear noise insulation in position. –  Remove bumper cover (front) → Rep. Gr.63. –  Move lock carrier to service position → Rep. Gr.50.

–  Remove toothed belt: t  Vehicles with hydraulically damped tensioning roller - engine codes AVB, AVF, AWX → Chapter. t  Vehicles with friction-damped tensioning roller - engine codes AVB, AVF, AWX → Chapter. t  Engine codes BKE, BPW, BRB, BRC → Chapter. –  Remove camshaft sprocket securing bolts -1-. –  Detach camshaft sprocket from hub.

–  Loosen securing bolt -1- for hub; use counterhold tool -T10051-. –  Then unscrew bolt approx. 2 turns.

–  Apply puller -T10052- and align it with holes in hub. –  Screw bolts -1- into hub. –  Apply tension to hub by evenly tightening centre bolt -2- until hub separates from taper of camshaft.   Note Use 30 mm spanner to hold puller. –  Detach hub from taper of camshaft.

–  Adjust inner part of oil seal extractor -3240- so that it is level 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 camshaft 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 running surface and sealing surface. –  Remove oil residue on camshaft journal with a clean cloth. –  Tape off groove on taper of camshaft with adhesive tape.   Note The sealing lip of the oil seal must not be additionally oiled or greased. –  Carefully position oil seal on camshaft. –  Press in oil seal with press piece of fitting tool -10 - 203- and bolt M12×65 as far as the stop.

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

–  Push camshaft sprocket onto hub. l  Toothed segment -arrow- of camshaft sprocket must be at top. –  Screw in bolts -1- finger-tight. –  Lock hub with locking pin -3359-. The remaining installation steps are carried out in the reverse sequence. –  Fit toothed belt (adjust valve timing): t  Vehicles with hydraulically damped tensioning roller - engine codes AVB, AVF, AWX → Anchor. t  Vehicles with friction-damped tensioning roller - engine codes AVB, AVF, AWX → Anchor. t  Engine codes BKE, BPW, BRB, BRC → Anchor. –  Install viscous fan → Chapter. –  Install poly V-belt: vehicles up to 05.2003 → Anchor, vehicles from 06.2003 onwards → Anchor. –  Install lock carrier with attachments → Rep. Gr.50. –  Install bumper cover (front) → Rep. Gr.63. Tightening torque

Component	Nm
Hub to camshaft	100