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GMC TSB #PIP5068
2012 GMC Sierra
TSB Document:
Affected Component: STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS
- Summary
- This Preliminary Information communication provides information to the technician abut vehicles that have a knock noise or vibration from the engine or transmission. Technician will need to inspect the flex plate. The flex plate and transmission bell housing should be replaced if the flex plate is found cracked.
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