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 –  Remove poly V-belt → Chapter. –  Remove toothed belt → Chapter.

–  Release crankshaft sprocket (use counterhold tool -3415- to counterhold sprocket).

–  Remove central bolt -1- for crankshaft sprocket -2- and remove sprocket together with diamond-coated washer -3-.

–  To guide oil seal extractor, screw central bolt into crankshaft onto stop by hand. –  Unscrew inner part of oil seal extractor -3203- nine turns (approx. 20 mm) from the outer part and lock in position with the 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 oil seal is pulled out. –  Clamp flats of oil seal extractor in vice. Remove oil seal with pliers. Installing –  Clean contact surface and sealing surface. –  Remove oil residue from crankshaft journal with a clean cloth.

–  Position guide sleeve T10053/1 from assembly tool -T10053- on crankshaft journal. –  Push oil seal over guide sleeve onto crankshaft journal.

–  Press in oil seal with central bolt of toothed belt sprocket and thrust sleeve of assembly tool -T10053- until flush. –  Renew central bolt for toothed belt sprocket.   Note t  Contact surface between toothed belt sprocket and crankshaft must be free of oil. t  Do not lubricate bolt for crankshaft sprocket.

–  Install crankshaft sprocket -2- with new diamond-coated washer -3- and new central bolt -1-.

–  Counterhold crankshaft sprocket using counterhold tool -3415- and secure sprocket. Install toothed belt (adjust valve timing) → 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 → Booklet803. Tightening torque

Component		Nm
Stop for torque reaction support		28
Toothed belt sprocket to crankshaft		90 + 90° 1)2)
l  1) Renew bolt l  2) 90° = a quarter of a turn