Captiva

Camshaft Cleaning and Inspection

1. Clean the camshaft in solvent.
2. Dry the camshaft with compressed air.

1. Inspect the camshaft drive sprocket thread hole (1) for damage.
2. Inspect the camshaft lobes (2) and journals (5) for the following conditions:

•	Excessive scoring or pitting

•	Discolouration from overheating

•	Deformation from excessive wear, especially the camshaft lobes

3. Inspect the camshaft thrust surface (3) for damage.
4. Inspect the camshaft position rotator (4) for damage.
5. Inspect the camshaft sealing surface (6) for damage.

1. Measure the camshaft journals (2) for diameter and out-of-round using an outside micrometre (1).
2. Compare your results with engine mechanical specifications.

•	If the diameter is smaller than specifications, replace the camshaft.

•	If the out-of-round exceeds specifications, replace the camshaft.