Silverado Classic 1500 2WD V6-4.3L (2007)
8. Remove the crankshaft balancer key.
9. If necessary, remove the timing chain tensioner bracket bolt and bracket.
10. Clean and inspect the timing chain and sprockets, if necessary. Refer to Timing Chain and Sprockets Cleaning and Inspection.
Installation Procedure
1. Notice: Refer to Fastener Notice in Service Precautions.
If necessary, install the timing chain tensioner bracket and bolt.