Camshaft Oil Seal: Service and Repair

Exhaust Camshaft Seal

Special tools, testers and auxiliary items required

• Seal Puller-General Usage (2085)

• Adapter (2085/2)

• Retainer (3036)

• Assembly Tool (T10071)

• Puller (T40001)

• Claws (T40001/6) and (T40001/7)

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

• Thrust Piece (T10353)

Removing

- Remove the toothed belt, refer to one of the following:

• With a divided toothed belt guard, refer to => [ Toothed Belt, with a Divided Toothed Belt Guard ] Toothed Belt, with a Divided Toothed Belt Guard.

• Without a divided toothed belt guard, refer to => [ Toothed Belt, without a Divided Toothed Belt Guard ] Toothed Belt, without a Divided Toothed Belt Guard.

- Loosen the camshaft sprocket bolt approximately 10 mm (use the retainer (3036) ).






- Pull off the camshaft sprocket using the puller (T40001) , claw (T40001/6) and claw (T40001/7). The puller (T40001) supports itself on the bolt - arrow -.






- Remove the bolt and camshaft sprocket.

- To guide the seal puller, thread the adapter (2085/2) into the camshaft by hand until seated.






- Remove the inner portion of the seal puller-general usage (2085) two rotations (approximately 3 mm) from the outer portion and secure it with the knurled thumb screw.

- Grease the threaded head of the seal puller-general usage (2085) , position it and forcefully screw it as far as possible into the seal.






- Loosen the knurled thumb screw and turn the inner part against the camshaft until the seal is removed.

Installing

- Clean off any oil on the camshaft pin with a clean cloth.

- Cover the groove on the camshaft cone with adhesive tape (for example, Tesafilm).

- Carefully slide the dry seal onto the camshaft pin.

- Press the seal in until seated using the assembly tool (T10071) , thrust piece (T10353) and a washer - arrow -. Use the bolt (T10071/4).






• The thrust piece (T10353) is needed to compensate for the length of the bolt (T10071/4). Washers can also be used.

- Insert the woodruff key into the camshaft.

- Install the camshaft sprocket. Hold the camshaft sprocket using the retainer (3036) and tighten the bolt. Tightening specification, refer to => [ Valvetrain Overview ] Service and Repair.






• When rotating the camshaft, the pistons may not be at TDC for any cylinder. The valves/pistons may be damaged.

• Be sure the woodruff key is properly seated.

- Install the toothed belt, refer to one of the following:

• With a divided toothed belt guard, refer to => [ Toothed Belt, with a Divided Toothed Belt Guard ] Toothed Belt, with a Divided Toothed Belt Guard.

• Without a divided toothed belt guard, refer to => [ Toothed Belt, without a Divided Toothed Belt Guard ] Toothed Belt, without a Divided Toothed Belt Guard.

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

Further installation is in reverse order of removal.

Fill with new coolant. Refer to => [ Draining and Filling ] Procedures.