Audi Workshop Service and Repair Manuals

Renewing crankshaft oil seal (pulley end)

Special tools and workshop equipment required

t	Oil seal extractor -3203-

t	Counterhold tool -3415-

t	Assembly tool -T10053-

t	Torque wrench -V.A.G 1331-

t	Torque wrench -V.A.G 1332-

Removing –  Move lock carrier to service position → Chapter. –  Remove poly V-belt → Chapter. –  Remove toothed belt → Chapter. –  Remove crankshaft sprocket; use counterhold tool -3415- to lock sprocket in place.

–  To guide oil seal extractor, screw central bolt into crankshaft onto stop by hand. –  Unscrew inner part of oil seal extractor -3203- 9 turns (approx. 20 mm) from outer part of extractor and lock in position with knurled screw.

–  Lubricate threaded head of oil seal extractor -3203-, place it in position and, while exerting firm pressure, screw it into oil seal as far as possible. –  Loosen knurled screw and turn inner part against crankshaft until the oil seal is pulled out. –  Clamp flats of oil seal extractor in vice and use pliers to remove seal.

Installing Installation is carried out in the reverse order; note the following: –  Clean running surface and sealing surface. –  Remove oil residue from crankshaft journal with a clean cloth. –  Place guide sleeve -T10053/1- onto crankshaft journal. –  Slide oil seal over guide sleeve onto crankshaft journal.

–  Press in oil seal flush using the centre bolt of toothed belt sprocket and press sleeve from assembly tool -T10053-.

–  Renew centre bolt for toothed belt sprocket. –  Install crankshaft sprocket; use counterhold tool -3415- to lock sprocket in place.   Note t  Contact surface between toothed belt sprocket and crankshaft must be free of oil. t  Do not lubricate bolt for crankshaft sprocket. –  Install toothed belt (adjust valve timing) → Anchor. –  Install vibration damper → Chapter. –  Install poly V-belt → Chapter.

–  Install lock carrier with attachments → General body repairs, exterior; 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 front bumper cover → General body repairs, exterior; Rep. gr.63. –  Check headlight adjustment → Booklet8E. Tightening torques

Component	Nm
Toothed belt sprocket to crankshaft	90 + 90° → Remark → Remark
Stop for torque reaction support to lock carrier	28

1)  Renew bolt. 2)  90° equals a 1/4 turn.