Cruze

Exhaust Camshaft Replacement

Special Tools

EN-50433 Adaptor - Exhaust Camshaft Sprocket Fixing

For equivalent regional tools, refer to Special Tools .

1. Remove the engine front cover. Refer to Engine Front Cover Replacement .
2. Remove the camshaft bearing rear cap. Refer to Camshaft Bearing Cap Removal - Rear .



3. Set crankshaft 90° beyond TDC of combustion stroke of cylinder 1. The arrows on the camshaft sprockets must match as shown (1).
4. Fix the exhaust camshaft sprocket with the EN-50433 sprocket fixing (2).




Note: Take extreme care to prevent any scratches or damage to the camshaft and the bearing surfaces. Set the camshaft guides aside in order as removed.

Note: Remove camshaft seat guide cap from cylinder 2 at least.

5. Remove 4 camshaft seat guide cap retaining bolts (2).
6. Remove the camshaft seat guide cap (1).
7. Remove 8 camshaft seat guide cap retaining bolts (3).
8. Remove 4 camshaft seat guide caps.
9. Remove the exhaust camshaft (4).

1. Ensure that the crankshaft is 90° beyond TDC of combustion stroke of cylinder 1.




Note: Take extreme care to prevent any scratches or damage to the camshaft and the bearing surfaces. Install the camshaft guides in order as removed.

Note: Clean the contact surfaces from camshaft, camshaft sprocket and camshaft sprocket bolt.

2. Coat camshaft bearing surfaces with engine oil.
3. Install the exhaust camshaft (4).

Note: Tighten the camshaft seat guide cap from cylinder 2 at first.

4. Install 4 camshaft seat guide caps.

Caution: Refer to Fastener Caution in the Preface section.

5. Install 8 camshaft seat guide cap retaining bolts (3) and tighten to 10 N·m (89 lb in).
6. Install the camshaft seat guide cap (1).
7. Install 4 camshaft seat guide cap retaining bolts (2) and tighten to 25 N·m (18 lb ft).



8. The arrows on the camshaft sprockets must match as shown (1).
9. Remove the EN-50433 sprocket fixing (2) from the exhaust camshaft sprocket.



10. Rotate the engine 2 revolutions clockwise.
11. Set crankshaft 90° beyond TDC of combustion stroke of cylinder 1.

•	The arrow on the inlet camshaft gear (1) must match with the arrow on the exhaust camshaft gear (2).

•	The notch in the camshaft sprocket (4) must match with mark on the engine block (3)

12. Install the camshaft bearing rear cap removal. Refer to Camshaft Bearing Cap Installation - Rear .
13. Remove the engine front cover. Refer to Engine Front Cover Replacement .