Timing Chain: Service and Repair

REPLACING TIMING CHAIN






Valve Timing

1. Double-row timing chain
2. Sprocket (guide wheel)
3. Needle sleeve
4. Shaft
5. O-ring
6. Washer
7. Spring washer
8. Hexagon nut
9. Guide rail
10. Shaft bolt
11. Lockwasher
12. Washer
13. Shaft bolt
14. Tensioning rail, lower (head removed)
15. Lockwasher
16. Circlip
17. Tensioning rail upper (chain removed)
18. Shaft bolt
19. O-ring
20. Chain tensioner piston and cylinder (matched)
21. Spring
22. Seal
23. Seal
24. Plug
25. Guide rail
26. Bolt
27. Washer



Remove lower timing case cover.
Remove sprockets on camshafts.






Remove lockwashers.






Pull guide rail forward and swing aside.
Remove timing chain.

Installation:
Timing chain is pre.stretched.