Sealing Ring For Exhaust Camshaft, Replacing

Sealing ring for exhaust camshaft, replacing





Special tools, testers and auxiliary items required

^ Seal remover 2085
^ Assembly tool 3066
^ Assembly tool T10071
^ Puller T40001

Special tools, testers and auxiliary items required





^ Toothed Belt Tensioner T10020





^ Locking Tool T40098

Removing





- Remove engine cover - arrows -.

CAUTION:
Cover cap of expansion tank with rag and open carefully, as hot steam or hot coolant may escape when opening.

- Open cap of coolant expansion tank.





- For vehicles with auxiliary heater, remove bolts - arrows - for exhaust pipe of parking heater/auxiliary heater on noise insulation.





- Loosen quick-release fasteners -1- and -2- and remove front noise insulation.
- Drain engine coolant
- Remove toothed belt





- Loosen camshaft sprocket, using Retainer 3036.





- Remove camshaft sprocket using puller T40001 and claw T40001/6 and claw T40001/7.





- To guide seal puller, thread Adapter 2085/2 of seal puller 2085 into camshaft by hand up to stop.
- Remove inner portion of seal puller 2085 two rotations (approx. 3 mm) from outer portion and secure with knurled-head screw.





- Grease threaded head of seal puller 2085, position and screw into oil seal as far as possible with forceful pressure.
- Loosen knurled bolt and turn inner part against camshaft until seal is removed.
- Secure seal remover in a vise at flat spots. Remove seal using pliers

Installing

- Do not oil sealing lip of sealing ring.





- Place Guide Sleeve T10071/1 from Assembly Tool T10071 on camshaft pin.
- Slide oil seal over guide sleeve onto shaft pin.
- Remove guide sleeve.





- Press sealing ring on as far as stop with Guide Sleeve T10071/3 and Screw T10071/4 from Assembly Tool T10071.
- Install camshaft sprocket.





^ Note installation position: Thin rib of camshaft gear points outward - arrows - and TDC marking cylinder 1 is visible.





- Install bolt for camshaft sprocket using Retainer 3036.

Note:
^ By turning the camshaft, the valves could contact the stationary pistons at TDC. Therefore, the pistons must not be at TDC. Valves/pistons may be damaged.

- Install toothed belt.
- Install lock carrier with attachments. Service and Repair





- 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.

Torque specifications