Timing belt replacement: Peugeot 607 (ES9J4S)

🧭 Before you start

Remove the lower cover, drive belt, power steering pulley and belt covers, lock the camshafts and crankshaft, slacken the tensioner and remove the belt and idler. Fit the new belt anti-clockwise from the crankshaft, take the tensioner to maximum tension, tighten the gearwheel bolts and remove the pins. Turn the engine two rotations clockwise, refit the crankshaft pin, align the tensioner marks and check the camshaft pins fit, restarting if the gearwheels sit at the end of their slots. Refit the covers, crankshaft pulley with a new bolt in two stages, pulleys, drive belt and supports.

Fits: platform codes 3.0, V6

• Timing position: the crankshaft or camshaft is set and locked during this job
• Special tools named: locking pin

Don't miss

• Adjust the belt with the engine cold.
• Belt movement against a gearwheel must not exceed one tooth space.
• If camshaft gearwheels are at the end of their slots, restart the fitting.
• Crankshaft pulley bolt is renewed and tightened in two stages.
• Repeat the procedure if the special tools do not fit properly.

Written for this job from the workshop steps below · TorqFix editorial.

🔧 Engine codes this applies to

📋 Procedure

Preparation and removal

1. Note: The engine must be cold before timing belt adjustment
2. Remove the engine lower cover
3. Disconnect the battery
4. Rotate the camshaft gearwheels clockwise to their lock position
5. Remove the power steering pump pulley

6. Remove the timing belt covers
7. Remove the bolt
8. Remove the idler pulley
9. Remove the timing belt
10. Loosen the tensioner pulley bolt

Installation and checks

11. Fit the timing belt onto the crankshaft gearwheel
12. Fit the special tool
13. Fit the timing belt in an anti-clockwise direction
14. To engage the belt on the gearwheel, turn the camshaft gearwheel slightly in the opposite direction to engine rotation
15. Refit the timing belt idler pulley
16. Fit the timing belt
17. Rear cylinder head:
18. Fit the special tools
19. Note: The movement of the gearwheel in relation to the belt must not be more than one tooth space
20. Fit the timing belt onto the gearwheels
21. Tighten the bolts:
22. Turn the tensioner to the maximum timing belt tension
23. Use a special tool:
24. Tighten the tensioner
25. Turn the engine 2 rotations clockwise
26. Fit the crankshaft locking pin
27. Turn the tensioner clockwise to align both marks
28. Use a special tool:
29. Tighten the tensioner pulley mounting bolt
30. Remove the crankshaft locking pin
31. Turn the engine 2 rotations clockwise
32. Fit the crankshaft locking pin
33. Check the tensioner marks
34. Fit the camshaft locking pins
35. Turn the camshaft gearwheel slightly until the tool fits
36. Check that the camshaft gearwheels are not at the end of the slots
37. If the gearwheels are at the end of the slots
38. Restart the fitting operation
39. Turn the engine 2 rotations clockwise
40. Refit the locking pins
41. Note: Repeat the procedure if the special tools do not fit properly
42. Fit the bracket
43. Refit the timing belt covers
44. Fit the crankshaft pulley
45. Use a new bolt
46. Stage 1:
47. Stage 2:
48. Refit the power steering pump pulley
49. Fit the ancillary drive belt tensioner
50. Fit the ancillary drive belt
51. Fit the engine supports
52. Refit the engine covers

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