Camshaft Timing Chain and Sprocket Cleaning and Inspection

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Timing Chain, Sprockets & Tensioners

Courtesy of GENERAL MOTORS CORP.

WARNING: Bodily injury may occur if the cleaning solvent is inhaled or exposed to the skin.

Clean all components with cleaning solvent.
Dry the components with compressed air.
Inspect the timing chain for binding or wear.

Fig 2: Identifying Damaged Sprocket Teeth

Courtesy of GENERAL MOTORS CORP.

Inspect the camshaft and crankshaft sprockets for:
- Worn teeth (1)
- Broken teeth (2)
- Chipped teeth (3)

Fig 3: Identifying Damaged Timing Chain Tensioner & Chain Tensioner Slides

Courtesy of GENERAL MOTORS CORP.

Inspect the timing chain tensioner (1) and timing chain tensioner slides (2) for excessive wear or cracks. Repair or replace as required.