GMC TSB #PIP5137
2014 GMC Sierra 1500
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that have a rough idle and/or a vibration at idle in gear. Technician should try centering the engine and transmission mount. If no change then shims the right engine mount to most inner bolts 3mm.