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 the ribbed belt. Refer to => [ Ribbed Belt ] Service and Repair.

- Remove the toothed belt. Refer to => [ Toothed Belt ] Service and Repair.

- Loosen the crankshaft toothed belt gear bolt by holding the gear using the counter support (3415).






- To guide the seal remover (3203) , install the bolt back into the crankshaft by hand until seated.






- Remove the inner portion of the seal remover (3203) 9 rotations (approximately 20 mm) from the outer portion and secure it using the with knurled thumb screw.

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






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

Installing

- Remove any oil residue on the crankshaft journal with a clean cloth.

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






- Slide the dry seal over the guide sleeve onto the crankshaft.

- Press in the seal using the assembly tool (T10053) and the bolt (T10053/2) (M16 x 1.5 x 60) until seated.






• The contact surfaces between the toothed belt gear, diamond disc and crankshaft must be free of oil.

• The crankshaft toothed belt gear bolt must be replaced.

• The threads and shoulder must be free of oil and grease.

- Install the crankshaft toothed belt gear - 2 - with the disc - 3 - and tighten the bolt - 1 - hand tight.






- Secure the crankshaft toothed belt gear using the counter support (3415).






- Tighten new bolt to 90 Nm + an additional 90° (1/4) turn, the additional turn may occur in several stages.

Further installation is in the reverse order of the removal procedure.

Install the toothed belt and adjust the timing. Refer to => [ Toothed Belt ] Service and Repair.