Audi Workshop Service and Repair Manuals

• ● Engine in vehicle
• ● Lock carrier must be in service position .

Special tools, testers and auxiliary items

• ◆ Oil seal extractor 2085
• ◆ Oil seal fitting tool 3083
• ◆ Counter-hold tool 3099

Removing

• ‒ Remove ribbed belt and ribbed belt tensioning element.

• ‒ Remove toothed belt => Page 13-33.
• ‒ On vehicles with air conditioner, unbolt bracket for torque reaction support -Item 17-2.
• ‒ → Remove crankshaft toothed belt sprocket. To do this counter-hold sprocket with 3099.

Note:

It is also possible to use special tool 3415.

• ‒ → Before applying oil seal extractor, screw cheese-head bolt from 3083 into crankshaft as far as it will go.

• ‒ Unscrew inner part of the oil seal extractor 2085 two turns (approx. 3 mm) out of the outer part and lock with knurled screw.
• ‒ → Lubricate threaded head of oil seal extractor, place it in position and exerting firm pressure screw it as far as possible into oil seal.
• ‒ Loosen knurled screw and turn inner part against crankshaft until the oil seal is pulled out.

Installing

• ‒ Lightly oil sealing lip of oil seal.
• ‒ → Place guide sleeve from 3083 onto crankshaft journal.
• ‒ Slide oil seal over guide sleeve.

• ‒ → Press oil seal in onto stop using press sleeve and bolt from 3083.
• ‒ Renew bolt for toothed belt sprocket.
• ‒ Install crankshaft sprocket and lock in position with retainer 3099.

Notes:

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

• ‒ Install toothed belt (adjust valve timing).

• ‒ Allow stop for torque reaction support to rest on rubber buffer for torque reaction support under its own weight, and tighten bolts to 25 Nm.
• ‒ Install ribbed belt and ribbed belt tensioning element.

Tightening torque

    1)    Renew bolt

    1)    90°= 1/4turn