Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 2011 >> Aveo L4-1.6L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Timing Components >> Timing Belt >> Service and Repair

Timing Belt: Service and Repair




Timing Belt Replacement

Special Tools
* J 28467-B - Engine Support Fixture
* KM-6625 - Flywheel Locking Device
* KM-6333 - Fixing Rod
* KM-6340 - Locking Tool
* KM-6628 - Locking Tool

For equivalent regional tools, refer to Special Tools (Tools and Equipment).

Removal Procedure

Warning: Refer to Battery Disconnect Warning (Battery Disconnect Warning).

1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair).
2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair).
3. Install J 28467-B - Engine Support Fixture.
4. Remove the accessory belt. Refer to Drive Belt Replacement (Drive Belt Replacement).
5. Remove the accessory belt tensioner. Refer to Drive Belt Tensioner Replacement (Service and Repair).




6. Rotate the crankshaft pulley clockwise to align the notches (1) between the pulley and the cover.




7. Remove the transmission bolt (1).
8. Install KM-6625 - locking device to prevent the crankshaft from rotating.
9. Install the transmission bolt (1).
10. Remove the cylinder head cover. Refer to Valve Rocker Arm Cover Replacement (Service and Repair).
11. Remove the engine mount. Refer to Engine Mount Replacement (Service and Repair).




12. Remove the crankshaft pulley (2).
13. Remove the timing belt upper cover (1).
14. Remove the engine mount bracket.
15. Remove the timing belt lower cover (3).
16. Remove the timing belt center cover.




17. Install KM-6333 - rod while rotating the timing belt tensioner to hold it in place.
18. Remove the timing belt.




19. Remove the timing belt tensioner (1).
20. Remove the timing belt idler (2).

Adjustment Procedure




1. Align both camshafts horizontally and install KM-6628 - locking tool.
2. Confirm both camshaft sprocket marks are aligned.




3. Prepare the right half of KM-6340 - locking tool.

Note: Recognizable from the lettering "Right".

4. Unscrew the bolts (1) and detach the front panel (2) from KM-6628 - locking tool.





Note: The mark (4) on the intake camshaft sprocket does not correspond to the groove of KM-6628 - locking tool during this process.

5. Confirm alignment between the intake side mark (4) and the exhaust side mark (3) on the camshaft sprockets.
6. If not aligned as shown, remove and install the camshaft sprocket to align.
7. Insert the left of KM-6340 - locking tool (1) into the intake camshaft sprocket side.
8. Insert the right of KM-6340 - locking tool (2) into the exhaust camshaft sprocket side.





Note: If the notches are not aligned, rotate the crankshaft until marks are aligned after removing KM-6625 - locking device.

9. Confirm alignment of the notches between the crankshaft sprocket and the cover.





Caution: Refer to Fastener Caution (Fastener Caution).

10. Install the timing belt idler (2) and tighten to 50 Nm (36.8 lb ft).
11. Install the timing belt tensioner (1) and tighten to 55 Nm (40.6 lb ft).




12. Install the timing belt.
13. Remove KM-6333 - fixing rod to tension the belt.

Installation Procedure




1. Install the timing belt center cover.

Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the timing belt lower cover (3) and tighten the bolts to 6 Nm (53.1 lb in).
3. Install the engine mount bracket and tighten the bolt to 65 Nm (47.9 lb ft).
4. Install the timing belt upper cover (1) and tighten the bolts to 4 Nm (35.4 lb ft).
5. Install the crankshaft pulley (2) while aligning crankshaft pulley notches and tighten to 95 Nm plus 45 degrees plus 15 degrees (70 lb ft plus 45 degrees plus 15 degrees).
6. Install the engine mount. Refer to Engine Mount Replacement (Service and Repair).
7. Install the cylinder head cover. Refer to Engine Mount Replacement (Service and Repair).
8. Install the accessory belt. Refer to Drive Belt Tensioner Replacement (Service and Repair).
9. Install the accessory belt tensioner. Refer to Drive Belt Replacement (Drive Belt Replacement).




10. Remove the transmission bolt (1).
11. Remove KM-6625 - locking device from the crankshaft.
12. Install the transmission bolt (1) and tighten to 60 Nm (44.2 lb ft).
13. Remove J 28467-B - engine support fixture.
14. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair).
15. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair).

pro multis · About Operation CHARM