This preliminary information communication provides information to the technician about vehicles that have...
Chevrolet technical service bulletin PIT4745C for 2007-2017 Chevrolet Silverado 1500, 2007-2017 GMC Sierra 1500 and 2014 Chevrolet Silverado 2500 and others.
- Bulletin number
- PIT4745C
- Component
- Structure: body
- Summary
- This preliminary information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Technician should first access the rear of the inner wheelhouse area through the tail lamp cavity and the front of the wheelhouse from under the vehicle, and coat the inner hem of the wheel house to side outer panel with 3m rust fighter I. After allowing the 3m rust fighter I to dry then apply several coats of nox rust x-121b undercoating part number 12346501.
Owners of these vehicles have filed 853 complaints in the body category.
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