Timing belt replacement: Alfa Romeo 155 Q4 turbo 2.0 (AR06476, AR67203)

🧭 Before you start

Fits: platform codes 2.0, 16V, TURBO, Q4, |

• Timing position: the crankshaft or camshaft is set and locked during this job

Don't miss

• The engine must be cold before timing belt adjustment

🔧 Engine codes this applies to

📋 Procedure

Preparation and removal

1. Coolant pump renewal is recommended after timing belt removal
2. Remove the two catalytic converters
3. Note: The engine must be cold before timing belt adjustment
4. Note: Avoid bending, torsion or traction
5. Remove the drive shaft

6. Raise the engine slightly
7. Remove the EGR vacuum modulator, valve and pipe
8. Remove the alternator belt
9. Remove the coolant pump pulley
10. Remove the air-conditioning belt
11. Remove the crankshaft pulley
12. Remove all the timing belt covers
13. Remove the tensioner
14. Remove the balance shaft drive belt
15. Remove the tensioner
16. Remove the timing belt

Installation and checks

17. Refit the tensioner
18. Fit the timing belt
19. Check the tensioner and idler pulleys; renew if necessary
20. Tighten the tensioner
21. Tighten the tensioner
22. Refit all other parts in the reverse order of removal
23. Align the timing marks

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