Toothed Belt Drive, Overview

Toothed belt drive, overview

Note: Mark direction of toothed belt with chalk or felt-tip pen prior to removal. Running a used belt in the opposite direction could destroy it.
1. Toothed belt guard (bottom)
^ To remove, unbolt vibration damper
2. 10 Nm
^ Apply D 000 600 when installing
3. Toothed belt guard (center)
^ To remove, unbolt ribbed belt tensioner
4. Toothed belt guard (top)
^ Carefully engage in center section of toothed belt guard when installing
5. Toothed belt
^ Mark direction of rotation with chalk or felt tip pen before removing
^ Check for wear
^ Removing, Refer to Toothed Drive Belt, Removing, Installing and Tensioning
^ Installing (adjusting valve timing), Refer to Toothed Drive Belt, Removing, Installing and Tensioning
6. Idler wheel
7. 27 Nm
8. 65 Nm
^ Use counterhold 3036 to loosen and tighten
9. Camshaft sprocket
^ For exhaust camshaft
^ To remove and install first remove toothed belt
^ Installation position, Refer to Fig 1
10. Tensioning roller
11. Washer
12. Toothed belt tensioner
13. O-ring
^ Replace
^ Coat with coolant G 012 AS D before installing
14. Coolant pump
^ Removing and installing, Refer to Water Pump, Service and Repair
15. 15 Nm
16. Crankshaft toothed belt sprocket
^ Contact surface between toothed belt sprocket and crankshaft must be free of oil
^ Removing and installing, Refer to Fig 1
17. 90 Nm + 1/4 turn (90°) further
^ Replace
^ Do not use oil
^ Use counterhold tool 3415 to loosen and tighten
18. 15 Nm
19. 25 Nm





Fig. 1 Installation position of camshaft sprocket
^ Narrow chamfer of camshaft sprocket must face outward -arrows- and marking for TDC No. 1 cylinder must be visible from front.





Fig. 2 Removing and installing crankshaft toothed belt sprocket
^ Use counterhold tool 3415 to loosen and tighten central bolt.