Timing Chain and Sprockets Cleaning and Inspection
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the timing chain guides for cracking or wear.
- Replace the timing chain guides if wear exceeds 1.12 mm (0.045 in) depth on the chain guide surface.
- Inspect the timing chain tensioner shoe for wear.
- Replace the timing chain tensioner shoe if wear exceeds 1.12 mm (0.045 in) depth on the chain guide surface.
- Inspect the timing chain and sprockets for wear.
- Inspect the camshaft sprocket faces for signs of movement.
- Inspect the camshaft sprocket teeth and chain for signs of excessive wear, chipping, or seizure of the timing chain links.
- Inspect the oil nozzle body for collapse or cracks at the bolt boss. Discard and replace the oil nozzle body if it is damaged.
- Remove the old oil from the timing chain tensioner.
- Inspect the timing chain tensioner for the scoring or free movement.
- Inspect the timing chain washer and O-ring for damage. If damaged, replace the timing chain tensioner.