- September 3: GM's Special Coverage N192219480 Program Closes Investigation investigations | 16 days ago
- September 2: GM Transmission Class Action Lawsuit Continues After Appeal news | 17 days ago
- September 2: GM Duramax Lawsuit Partially Brought Back on Appeal news | 17 days ago
- August 4: GM Peeling Paint Class Action Lawsuit Says Recall Needed news | 46 days ago
- July 31: GM Duramax Diesel CP4 Fuel Pump Lawsuit Settlement news | 50 days ago
GMC TSB #PIP5228C
2014 GMC Sierra 3500
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
- Summary
- THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A VIBRATION THAT IS FELT BETWEEN 1200 – 1400 ENGINE REVOLUTIONS PER MINUTE WHEN IN ACTIVE FUEL MANAGEMENT V4 MODE. TECHNICIAN WILL NEED TO USE CH 51450-NVH PICO OSCILLOSCOPE DIAGNOSTIC KIT TO MEASURE THE FREQUENCY OF THE VIBRATION. TECHNICIAN WILL NEED TO INSTALL AN EXHAUST DAMPER AND EVALUATE THE VEHICLE. IF THE VIBRATION IS NOT REDUCED, THE THREE-WAY CATALYTIC CONVERTER AND CAB MOUNT SETTLING PROCEDURES WILL NEED TO BE COMPLETED. THIS CONSISTS OF LOOSENING THE EXHAUST CLAMPS AND BODY MOUNTS, SETTLING THE COMPONENTS AND TORQUEING THEM BACK TO SPECIFICATION.
Click a tab for more information.