Primary Timing Chain Lower Guide

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Primary Camshaft Drive Chain Lower Guide Inspection Locations

Courtesy of GENERAL MOTORS CORP.

Inspect the primary timing chain lower guide for the following:
- Worn guide surface (1)
- Cracked or broken guide surface (2)
- Cracked or damaged guide base (3)
Replace a damaged primary timing chain lower guide.