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GMC TSB #PIP5407B
2018 GMC Sierra 3500
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have Diagnostic Trouble Code P06DD or no or low oil pressure. Technician will replace timing chain tensioner guide. If oil pump face is damaged and or worn thru replace oil pump. Inspect bearings for damage wear due to debris from oil pump.
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