Timing belt - camshaft - VVC (page 4 of 4)

Tensioning an existing timing belt.

13. Loosen tensioner pulley bolt and Allen bolt 1/2 turn. Position tensioner to reference mark on backplate and cylinder head.
14. Tighten tensioner backplate bolt to 10 Nm and tensioner Allen bolt to 45 Nm.
15. Remove camshaft gear alignment tool
16. Fit a suitable socket to crankshaft pulley bolt, rotate crankshaft clockwise 2 complete revolutions and align camshaft gear timing marks.

CAUTION: Never use the camshaft gear, the camshaft gear retaining bolts or the timing belt to turn the crankshaft.

Tensioning replacement timing belt.

17. Loosen timing belt tensioner pulley Allen bolt 1/2 turn.
18. Loosen timing belt tensioner backplate bolt 1/2 turn.
19. Apply tension to belt by applying finger pressure to tensioner backplate.
20. With tensioner pulley against timing belt and backplate held in position, tighten tensioner backplate bolt to 10 Nm.
21. Remove camshaft gear alignment tool
22. Fit a suitable socket to crankshaft pulley bolt, rotate crankshaft clockwise 2 complete revolutions and align camshaft gear timing marks.
23. Loosen tensioner backplate bolt and check that the timing belt is being tensioned by tension spring.
24. Tighten tensioner backplate bolt to 10 Nm and tensioner Allen bolt to 45 Nm.
25. Release tensioner spring from pillar bolt and tensioner, discard spring.
26. Remove and discard pillar bolt.
27. Clean timing belt upper cover.
28. Position timing belt upper cover and seal, fit and tighten bolts to 9 Nm.
29. Fit RH engine hydramount assembly. See this section.
30. Remove stand(s) and lower vehicle.
31. Connect battery earth lead.