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July 5, 2019 Service bulletin

This Preliminary Information communication provides information to the technician how to diagnose and...

Chevrolet technical service bulletin PIT4713B for 2008-2009 Chevrolet Tahoe, 2008-2009 GMC Yukon and 2009 Cadillac Escalade.

Bulletin number
PIT4713B
Component
Engine and engine cooling
Summary
This Preliminary Information communication provides information to the technician how to diagnose and repair vehicle that may have a rattle, itch or tapping noise coming from the center of the instrument panel area while driving. The cause may be an engine wiring harness making contact with a dowel pin on the forward bulkhead. Technician will remove the engine cover and locate the engine harness. Inspect for a holding clip that secures the engine harness to the fuel line bracket. Technician will install a holding clip to remove the slack in the harness.

Owners of these vehicles have filed 76 complaints in the engine category.

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