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) with Claw (T40001/6) and Thrust Piece (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:
=> [ Toothed Belt, with Divided Toothed Belt Guard ] Toothed Belt, With Divided Toothed Belt Guard.
=> [ Toothed Belt, without Divided Toothed Belt Guard ] Toothed Belt, Without Divided Toothed Belt Guard.
- Loosen the camshaft sprocket bolt and remove it approximately 10 mm (use the (3036) to counter hold it).
- Remove camshaft sprocket using (T40001), (T40001/6) and (T40001/7). The (T40001 ) supports itself on the bolt - arrow -.
- Remove the camshaft sprocket bolt.
- To guide the seal puller, install (2085/2) into camshaft by hand until seated.
- Remove the inner portion of (2085) two rotations (approximately 3 mm) from the outer portion and secure it with the knurled crew.
- Grease the threaded head of (2085), position and forcefully screw it as far as possible into the oil seal.
- Loosen the knurled screw and turn the inner part against the camshaft until the seal is removed.
Installing
- Before installing, remove any remaining oil from the camshaft with a clean cloth.
- Cover the groove on the cone of the camshaft with standard adhesive tape.
- Carefully slide the dry seal onto the camshaft pins.
- Press the seal on until seated using (T10071), (T10353) and a washer - arrow -. To do so, use (T10071/4).
• The (T10353) is needed to compensate for the length of the (T10071/4). Washers can also be used.
- Install the woodruff key into the camshaft.
- Install the camshaft sprocket. To tighten the bolt, hold the camshaft sprocket in place using (3036). Tightening specification, refer to => [ Valvetrain Overview ] Service and Repair.
• When turning the camshaft, the pistons may not be at TDC for any cylinder. Valves/pistons may be damaged.
• Be sure the woodruff key is properly seated.
- Install the toothed belt, refer to one of the following:
=> [ Toothed Belt, with Divided Toothed Belt Guard ] Toothed Belt, With Divided Toothed Belt Guard.
=> [ Toothed Belt, without Divided Toothed Belt Guard ] Toothed Belt, Without Divided Toothed Belt Guard.
- Install the ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.
The rest of the installation is basically a reverse of the removal sequence.
Fill the cooling system. Refer to => [ Draining and Filling ] Procedures.