Cruze

Timing Belt Tensioner Replacement - 1.6L LDE, LXV, 1.8L 2H0, and LUW

Special Tools

For equivalent regional tools, refer to Special Tools .

1. Open the bonnet.
2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement : LDE, LXV, LUW, 2H0 .
3. Remove the timing belt upper front cover. Refer to Timing Belt Upper Front Cover Removal : LDE, LED, LFJ, LXV, 2H0, LUW .
4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
5. Remove the front compartment splash shield. Refer to Front Compartment Splash Shield Replacement .
6. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .



7. Set the crankshaft balancer in direction of engine rotation until the markings (1) line up with the cylinder 1 at TDC.
8. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement : MT - F17, M32 → MT - D16, D20 → LXV, LXT, 2H0, LUW - AT → LLU, LDE - AT .



9. Remove the 4 lower timing belt cover bolts (2).
10. Remove the lower timing belt cover (1).
11. Lower the vehicle.




Note: The right half of the EN-6340 locking tool can be recognised by the lettering "right", arrow, on the tool.

12. Prepare the right half of the EN-6340 locking tool.

12.1.

Remove the 2 bolts (2).

12.2.

Remove the front panel (1) from the EN-6340 locking tool - right.




13. Install the EN-6340 locking tool into the camshaft adjusters.

Note: The spot type marking (4) on the inlet camshaft adjuster does not correspond to the groove of EN-6340-left during this process but must be somewhat above as shown.

•	Install the EN-6340 locking tool - left (1) in the camshaft adjusters as shown.

Note: The spot type marking (3) on the exhaust camshaft adjuster must correspond to the groove on EN-6340-right.

•	Install EN-6340 locking tool - right (2) in the camshaft adjusters as shown.

14. Raise the vehicle.



15. Apply tension to the drive belt tensioner (2) in the direction of the arrow, using an Allen key (1).
16. Install the EN-6333 locking pin (3).
17. Lower the vehicle.
18. Remove the engine mount bracket. Refer to Engine Mount Bracket Replacement .
19. Remove the timing belt centre front cover. Refer to Timing Belt Centre Front Cover Removal .




Note: Note the direction of the belt, if the timing belt will be reused.

20. Remove the timing belt (1).
21. Remove and DISCARD the timing belt tensioner bolt (3).
22. Remove the timing belt tensioner (2).

1. Re-cut the timing belt tensioner thread.



2. Install the timing belt tensioner (2).

Note: Service may offer bolts that are not microencapsulated. If this is the case apply thread lock agent to the bolt.

3. If fastener is microencapsulated, install a NEW timing belt tensioner bolt (3). DO NOT reuse the old bolt.

Caution: Refer to Fastener Caution in the Preface section.

4. Tighten the timing belt tensioner bolt to 20 N·m (15 lb ft).
5. Install the timing belt (1).
6. Guide the timing belt past the tensioner and place it on the crankshaft sprocket wheel.
7. Place the timing belt on the exhaust and inlet camshaft position actuator adjusters.
8. Install the engine mount bracket. Refer to Engine Mount Bracket Replacement .
9. Install the timing belt centre front cover. Refer to Timing Belt Centre Front Cover Installation .
10. Raise the vehicle.



11. Apply tension to the drive belt tensioner (2) in the direction of the arrow, using an Allen key (1).
12. Remove the EN-6333 locking pin (3).

Note: The timing belt tensioner moves automatically to the correct position.

13. Release tension on timing belt tensioner.



14. Remove fastener (1).
15. Remove EN-6625 locking device (2) to block the crankshaft.
16. Lower the vehicle.
17. Remove EN-6340 locking tool.



18. Check the timing

Note: Note the marking at the camshaft sprockets.

•	Turn the crankshaft 720° in the direction of engine rotation by the bolt on the crankshaft balancer.

Note: The spot type marking (4) on the inlet camshaft adjuster does not correspond to the groove of EN-6340-left during this process but must be somewhat above as shown.

•	Install EN-6340-left locking tool (1) into the camshaft adjusters as shown.

Note: The spot type marking (3) on the exhaust camshaft adjuster must correspond to the groove on EN-6340-right.

•	Install EN-6340-right locking tool (2) into the camshaft adjusters as shown.

•	Raise the vehicle.





Note: The crankshaft sprocket and oil pump housing must align.

19. Check the crankshaft position.
20. Lower the vehicle.
21. Remove the EN-6340 locking tool.
22. Raise the vehicle.



23. Install the lower timing belt cover (1).

Caution: Refer to Fastener Caution in the Preface section.

24. Install the 4 lower timing belt cover bolts (2) and tighten to 6 N·m (53 lb in).
25. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement : MT - F17, M32 → MT - D16, D20 → LXV, LXT, 2H0, LUW - AT → LLU, LDE - AT .
26. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
27. Install the front compartment splash shield. Refer to Front Compartment Splash Shield Replacement .
28. Lower the vehicle.
29. Install the timing belt upper front cover. Refer to Timing Belt Upper Front Cover Replacement : 1.6L LDE, LXV, 1.8L 2H0, and LUW .
30. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement : LDE, LXV, LUW, 2H0 .
31. Close the bonnet.