GMC TSB #PIP5191B
2016 GMC Acadia
Affected Component: ELECTRICAL SYSTEM:STARTER ASSEMBLY
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that have a ticking noise on cold start after sitting more than 6 hours. Technician will inspect the oil pump pick-up tube to block seal being compressed. It the seal is compressed replace the seal and retest.