Rear Crankshaft Main Bearing Seal: Service and Repair

Crankshaft Seal, Ribbed Belt Side

Special tools, testers and auxiliary items required

• Seal Remover (3203)

• Counter-holder tool (3415)

• Assembly tool (T10053)

• Torque wrench (V.A.G 1331)

• Torque wrench (V.A.G 1332)

Removing

- Remove ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.

- Toothed belt, removing. Refer to => [ Toothed Belt Component Overview ] Testing and Inspection.

- Loosen toothed belt crankshaft sprocket by holding sprocket with Counter Support (3415).





- Remove toothed belt crankshaft sprocket center bolt - 1 - and remove sprocket - 2 - and diamond disc - 3 -.





- To guide seal puller, thread center bolt into crankshaft by hand until stop.





- Remove inner part of Seal Remover (3203) nine rotations (approx. 20 mm) from outer part and secure with knurled-head screw.

- Grease threaded head of Seal Remover (3203), position and install into oil seal as far as possible with forceful pressure.





- Loosen knurled screw and turn inner portion against crankshaft until oil seal is pulled out.

- Secure seal remover in a vise at the flat spots. Remove seal using pliers

Installing

- Clean running and sealing surface.

- Before installing, remove oil remains from end of crankshaft with a clean cloth.

- Position guide sleeve T10053/1 of assembly tool ( T10053) on end of crankshaft.





- Slide sealing ring over guide sleeve onto crankshaft pin.

- Press in seal using center bolt of toothed belt sprocket and pressure sleeve of assembly tool (T10053) until it is flush.





- Replace center bolt for toothed belt sprocket.

• There must be no oil on the contact surface between the toothed belt sprocket and crankshaft.

• Do not oil the bolt for crankshaft toothed belt sprocket.

- Install crankshaft toothed belt gear - 2 - with new diamond disc - 3 - and new center bolt - 1 -.





- Hold toothed belt crankshaft sprocket with Counter Support (3415) and tighten.





Installing toothed belt (Adjusting valve timing). Refer to => [ Toothed Belt ] Service and Repair

- Install ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.

- Install lock carrier with attachments. Refer to =>
Radiator Support Radiator Support

- Place torque support stop onto rubber buffer for torque support under its own weight and tighten nuts - arrows -.





- Install front bumper cover.

- Check headlight adjustment.

Tightening Specifications