Toothed Belt Drive Overview

Toothed Belt Drive






Note: Mark the direction of rotation with chalk or felt pen before removing the toothed belt. If the belt rotates in the wrong direction when it is refitted, belt breakage may result.

1. Toothed belt guard lower
To remove, unbolt vibration damper

2. 10 Nm Apply D 000600 when installing

3. Toothed belt guard center
Unbolt tensioner before removing center section of toothed belt guard

4. Toothed belt guard top
When installing, engage carefully in center toothed belt guard

5. Toothed belt
Mark direction of rotation with chalk or felt pen before removing.
Check for wear
Removing Toothed Belt, Removing and Installing
Install (adjust valve timing) Toothed Belt, Removing and Installing

6. Idler roller
7. 27 Nm

8. 65 Nm
Counter hold with 3036 to loosen and tighten

9. Camshaft sprocket
For exhaust camshaft
Take off toothed belt before removing and installing. Toothed Belt, Removing and Installing
Installation position Fig. 1.

10. Tensioner
11. Washer
12. Tensioner for toothed belt

13. O-ring
Always replace
Lightly coat with coolant G 012 A81D before installing

14. Coolant pump
Removing and installing Service and Repair

15. 15 Nm

16. Crankshaft sprocket
Contact surface between sprocket and crankshaft must be free of oil.
Can only be installed in one position.

17. 90 Nm + 1/4 turn(90°) further
Always replace
Do not use oil
Counter hold with 3415 to loosen and tighten
Fasten counterhold 3415 Refer to, Fig. 2.

18. 15 Nm
19. 25 Nm

Fig. 1 Location of camshaft sprocket





The narrow web of the camshaft sprocket faces outward -arrows- and the marking for TDC of cylinder 1 is visible from front.

Fig. 2 Removing and installing toothed belt crankshaft






Use counter-hold tool 3415 to loosen and tighten the central bolt.