Front Crankshaft Seal: Service and Repair

Crankshaft Seal, Belt Pulley Side

Special tools, testers and auxiliary items required

• Seal Remover (3203)

• Counter Support (3415)

• Assembly Tool (T10053)

• Torque Wrench 5-50 Nm (V.A.G 1331)

• Torque Wrench 40-200 Nm (V.A.G 1332)

Removing

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

- Toothed belt, removing. Refer to => [ Toothed Belt Drive, without Divided Toothed Belt Guard Overview ] Toothed Belt Drive, Without Divided Toothed Belt Guard Overview.

- Loosen crankshaft toothed belt gear. To do this, lock toothed belt sprocket with the (3415).






- Remove the crankshaft-toothed belt sprocket center bolt - 1 - - 2 - and remove the toothed belt sprocket.






- Remove diamond disc - 3 - from toothed belt gear.

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

- Unscrew inner part of the (3203) nine rotations (approximately 20 mm) from outer part and secure with knurled-head bolt.

- Lubricate threaded head of the (3203) , position and forcefully screw into seal as far as possible.






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

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

Installing

• For the correct tightening specifications, refer to => [ Front Sealing Flange Overview ] Front Sealing Flange Overview

- Clean running and sealing surface.

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

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






- Slide seal over guide sleeve onto the crankshaft pin.

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






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






• Contact surface between toothed belt gear, diamond disc and crankshaft must be free of oil.

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

- Use the (3415) to tighten crankshaft toothed belt gear.






Install toothed belt (adjust timing). Refer to => [ Toothed Belt, without Divided Toothed Belt Guard ] Toothed Belt, without Divided Toothed Belt Guard.

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