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GMC TSB #08-07-30-026H
2013 GMC Sierra 1500
TSB Document:
Affected Component: POWER TRAIN
- Summary
- This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
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