Timing chain replacement: Toyota & & (1ZZ-FE, 3ZZ-FE, 4ZZ-FE)

🧭 Before you start

Fits: platform codes 1.4, VVT-I, |, 1.6, 16V, 1.8

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

Don't miss

• If the timing chain is to be re-used, mark the running direction before removal
• Never turn the engine in the direction opposite to that of normal operation

🔧 Engine codes this applies to

📋 Procedure

1. Disconnect the battery
2. Unless otherwise advised by the manufacturer, the following procedures are recommended:
3. Refit the chain
4. If the timing chain is to be re-used, mark the running direction before removal
5. Never turn the engine in the direction opposite to that of normal operation

6. Remove the ignition coils
7. Always use new gaskets
8. Turn the crankshaft to TDC for cylinder 1
9. Check the camshaft timing marks
10. When the timing marks are misaligned, rotate the crankshaft 360 degrees to align them
11. Remove the crankshaft pulley
12. Remove the ancillary drive belt tensioner pulley
13. Support the engine/gearbox with a lifting jack
14. Remove the right-hand engine support
15. Remove the chain tensioner
16. Remove the coolant pump
17. Remove the crankshaft position sensor
18. Remove the engine support from the cylinder head
19. Remove the timing cover
20. Remove the crankshaft position sensor ring
21. Remove the chain tensioner guide
22. Remove the chain and the crankshaft gearwheel

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