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Высокие технологии Undo the two nuts and remove the chain tensioner assembly
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Timing chain and sprockets

If the crankshaft pulley is stuck, screw two 8 mm bolts into the threaded holes (arrowed) and push the pulley from place

Check the idler pulley bearing for smooth operation and measure the free length of the tension spring

2A•8 Engine in-car repair procedures

29 Refit the remaining parts in the reverse order of removal.

30 Run the engine and check for proper operation.

- removal, inspection

and refitting

Note:The following procedure applies onlyto the 4ZZ-FE and 3ZZ-FE VVT-i engines. Non-VVT-i engines are fitted with a timing belt (Section 5).

1 Drain the coolant as described in Chapter 1.

2 Remove the auxiliary drivebelt as described in Chapter 1.

3 Remove the alternator (Chapter 5A).

4 Unbolt the power steering pump (Chapter 10).