Timing chain replacement: Z7X Laguna V6 chain — RENAULT

🔧 Engine codes this applies to

📋 Procedure

Preparation and removal

1. Unless otherwise advised by the manufacturer, the following procedures are recommended:
2. Never turn the engine in the direction opposite to that of normal operation
3. Disconnect the battery
4. Lock the tensioner; use a locking pin
5. Remove the engine support

6. Note: Avoid bending, torsion or traction
7. Remove the engine wiring loom
8. Remove the crankshaft pulley
9. Remove the timing chain cover
10. Rear cylinder head:
11. Lock the flywheel
12. Lock the tensioner; use a locking pin
13. Turn the crankshaft until the spline points vertically downwards
14. Remove the oil pump gearwheel
15. Remove the balance shaft gearwheel(s)
16. Remove the balance shaft chain
17. Rear cylinder head:
18. Remove the timing chain
19. Remove the chain tensioner
20. Remove the chain guide(s)
21. Front cylinder head:
22. Remove the camshaft gearwheel
23. Remove the timing chain
24. Remove the chain tensioner
25. Remove the chain guide(s)

Installation and checks

26. Tighten the tensioner
27. Add Loctite
28. Fit the camshaft gearwheel
29. Tighten the tensioner
30. Add Loctite
31. Fit the camshaft gearwheel
32. Front cylinder head:
33. Check the timing marks
34. Turn the engine 2 rotations by hand
35. Refit all other parts in the reverse order of removal

Other RENAULT procedures

• G8T version with cam belt only (Espace III) refit + multi tiff included MB 25-03-05 Dialogis
• F5R Laguna II timing
• G8T version with cam belt only (Laguna I) refit + multi tiff included MB 25-03-05 Dialogis
• G8T version with double belt (Laguna I) refit + multi tiff included MB 30-03-05 Dialogis
• G8T version with cam belt only (Safrane) refit + multi tiff included MB 31-03-05 Dialogis
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• F9Q-774 dCi Master (moved waterpump) MR377MASTER1 Nick
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• K4M Megane II With VVT 6023A (K4M-760/761/766/812/813)