Audi Workshop Service and Repair Manuals

Special tools and workshop equipment required

• ◆ Oil seal extractor 3203
• ◆ Holding tool 3415
• ◆ Assembly tool T10053

Removing

• ● Engine in vehicle

• ‒ Remove toothed belt .
• ‒ → Remove crankshaft toothed belt sprocket. Counter hold sprocket with 3415.

• ‒ → Before applying oil seal extractor, screw central bolt for toothed belt sprocket into crankshaft until limit stop.

• ‒ Unscrew inner section of oil seal extractor 3203 eight turns out of outer section and lock with knurled screw.
• ‒ → Lubricate threaded head of oil seal extractor, place it in position and 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. Remove oil seal with pliers.
• ‒ Clean contact surface and sealing surface.

Installing

• ‒ Do not lubricate sealing lip or outer circumference of seal before pressing in.
• ‒ → Place guide sleeve T10053/1 onto crankshaft journal.
• ‒ Slide oil seal over guide sleeve.

• ‒ → Press in sealing ring with central bolt of toothed belt sprocket and press sleeve of T10053 until flush.

• ‒ Replace bolt for crankshaft sprocket.
• ‒ → Install toothed belt crankshaft sprocket. Counter hold toothed belt sprocket with counterhold 3415.

Notes:

• ◆ Contact surface between sprocket and crankshaft must be free of oil.
• ◆ Do not oil bolt for crankshaft sprocket.

• ‒ Install toothed belt (adjust valve timing) => Page 13-31.
• ‒ Install ribbed belt=> Page 13-10.

Tightening torque

    1)    Replace bolt

    2)    90°corresponds to a quarter of a turn