February 21: GM Brake Booster Vacuum Pump Failures Cause Lawsuit news | 3 days ago
February 21: Recall: GM Rear Wheels Lockup While Driving recalls | 3 days ago
January 19: GM Engine Failure Recall Investigation Opened investigations | 36 days ago
January 2: GM Says Brake Master Cylinder Failure Lawsuit Fails news | 53 days ago
December 28: GM Lifter Failure Lawsuit Includes Multiple Models news | 58 days ago
GMC TSB #PIP4885G
2012 GMC Sierra 3500
TSB Document:
Affected Component: POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
- Summary
- NQG 4WD Models With Noise Vibration On Dry Pavement.
Click a tab for more information.




