There have been 12 technical service bulletins issued for the 2001 GMC C6.
| Bulletin Date: | Nov. 1, 2011 |
| Component: | Seats head restraint. |
| Bulletin Summary: | General motors: information provided by bulletin for all 2012 and prior general motor trucks and passenger vehicles regarding the adjustable comfort and custom upholstery of the driver and the passenger head restraint. |
| Vehicles covered in this TSB: |
2002 Buick Buick Truck,
2003 Buick Buick Truck,
2000 Buick Century,
2001 Buick Century,
2002 Buick Century,
2003 Buick Century,
2000 Buick Lesabre,
2001 Buick Lesabre,
2002 Buick Lesabre,
2003 Buick Lesabre,
2000 Buick Park Avenue,
2001 Buick Park Avenue,
2002 Buick Park Avenue,
2003 Buick Park Avenue,
2003 Buick Rainier,
|
| Bulletin Date: | Sep. 1, 2009 |
| Component: | Engine. |
| Bulletin Summary: | Gm: loss of power hesitates on acceleration. 4. 3, 4. 8, 5. 3, 5. 7 and 6. 0 engines coupled with the 4l60e or 4l65e may experience a condition of hesitates, misses or loss of power under acceleration. The vehicle may operate as if it is in r |
| Vehicles covered in this TSB: |
2000 GMC 6H,
2000 GMC 7H,
2001 GMC 800,
2000 GMC B Series,
2001 GMC B Series,
2000 GMC B7,
2001 GMC B7,
2000 GMC Blazer,
2001 GMC Blazer,
2000 GMC C Pickup,
2000 GMC C Series,
2001 GMC C Series,
2000 GMC C/k 1500,
2001 GMC C/k 1500,
2001 GMC C/k 2500,
|
| Bulletin Date: | Nov. 1, 2002 |
| Component: | Engine. |
| Bulletin Summary: | Engine backfire and related driveability issues. |
| Vehicles covered in this TSB: |
1999 Chevrolet B7,
2000 Chevrolet B7,
2001 Chevrolet B7,
2002 Chevrolet B7,
1999 Chevrolet C6,
2000 Chevrolet C6,
2001 Chevrolet C6,
2002 Chevrolet C6,
1999 Chevrolet C7,
2000 Chevrolet C7,
2001 Chevrolet C7,
2002 Chevrolet C7,
1999 GMC B7,
2000 GMC B7,
2001 GMC B7,
2002 GMC B7,
1999 GMC C6,
2000 GMC C6,
2001 GMC C6,
2002 GMC C6,
1999 GMC C7,
2000 GMC C7,
2001 GMC C7,
2002 GMC C7.
|
| Bulletin Date: | Oct. 1, 2002 |
| Component: | Engine. |
| Bulletin Summary: | High oil consumption. |
| Vehicles covered in this TSB: |
2002 Chevrolet Avalanche,
2001 Chevrolet B7,
2002 Chevrolet B7,
2001 Chevrolet C6,
2002 Chevrolet C6,
2001 Chevrolet C7,
2002 Chevrolet C7,
2001 Chevrolet Express,
2002 Chevrolet Express,
2001 Chevrolet Silverado,
2002 Chevrolet Silverado,
2001 Chevrolet Suburban,
2002 Chevrolet Suburban,
2001 GMC B7,
2002 GMC B7,
2001 GMC C6,
2002 GMC C6,
2001 GMC C7,
2002 GMC C7,
2001 GMC Savana,
2002 GMC Savana,
2001 GMC Sierra,
2002 GMC Sierra,
2001 GMC Yukon,
2002 GMC Yukon.
|
| Bulletin Date: | Aug. 1, 2002 |
| Component: | Hoses, lines/piping, and fittings. |
| Bulletin Summary: | Some vehicles have a condition where the fuel filter-to-component box mounting bolts are reverse. |
| Vehicles covered in this TSB: |
2001 Chevrolet C6,
2002 Chevrolet C6,
2001 Chevrolet C7,
2002 Chevrolet C7,
2001 GMC C6,
2002 GMC C6,
2001 GMC C7,
2002 GMC C7.
|
| Bulletin Date: | Jun. 1, 2002 |
| Component: | Gasoline engine. |
| Bulletin Summary: | This bulletin is being issued to assist technicians in efficiently diagnosing and correcting backfire and other related driveability concerns. |
| Vehicles covered in this TSB: |
1999 Chevrolet B7,
2000 Chevrolet B7,
2001 Chevrolet B7,
2002 Chevrolet B7,
1999 Chevrolet C6,
2000 Chevrolet C6,
2001 Chevrolet C6,
2002 Chevrolet C6,
1999 Chevrolet C7,
2000 Chevrolet C7,
2001 Chevrolet C7,
2002 Chevrolet C7,
1999 GMC B7,
2000 GMC B7,
2001 GMC B7,
2002 GMC B7,
1999 GMC C6,
2000 GMC C6,
2001 GMC C6,
2002 GMC C6,
1999 GMC C7,
2000 GMC C7,
2001 GMC C7,
2002 GMC C7.
|
| Bulletin Date: | Jun. 1, 2002 |
| Component: | Manual transmission. |
| Bulletin Summary: | Subject regarding vibration or transmission output shaft damage / oil seal leak on conventional cab medium duty models. |
| Vehicles covered in this TSB: |
1997 Chevrolet C6,
1998 Chevrolet C6,
1999 Chevrolet C6,
2000 Chevrolet C6,
2001 Chevrolet C6,
2002 Chevrolet C6,
1997 Chevrolet C7,
1998 Chevrolet C7,
1999 Chevrolet C7,
2000 Chevrolet C7,
2001 Chevrolet C7,
2002 Chevrolet C7,
1997 GMC C6,
1998 GMC C6,
1999 GMC C6,
2000 GMC C6,
2001 GMC C6,
2002 GMC C6,
1997 GMC C7,
1998 GMC C7,
1999 GMC C7,
2000 GMC C7,
2001 GMC C7,
2002 GMC C7.
|
| Bulletin Date: | May. 1, 2002 |
| Component: | Gasoline engine. |
| Bulletin Summary: | Information pertaining to the release of the exhaust manifold / turbocharger heat shield. |
| Vehicles covered in this TSB: |
1998 Chevrolet C6,
1999 Chevrolet C6,
2000 Chevrolet C6,
2001 Chevrolet C6,
2002 Chevrolet C6,
1998 Chevrolet C7,
1999 Chevrolet C7,
2000 Chevrolet C7,
2001 Chevrolet C7,
2002 Chevrolet C7,
1998 GMC C6,
1999 GMC C6,
2000 GMC C6,
2001 GMC C6,
2002 GMC C6,
1998 GMC C7,
1999 GMC C7,
2000 GMC C7,
2001 GMC C7,
2002 GMC C7.
|
| Bulletin Date: | Apr. 1, 2002 |
| Component: | Unknown or other. |
| Bulletin Summary: | Subject regarding low oil pressure and new oil level indicator. Nlm |
| Vehicles covered in this TSB: |
2001 Chevrolet B7,
2002 Chevrolet B7,
2001 Chevrolet C Series,
2002 Chevrolet C Series,
2001 Chevrolet C6,
2002 Chevrolet C6,
2001 Chevrolet C7,
2002 Chevrolet C7,
2001 Chevrolet G Series,
2002 Chevrolet G Series,
2001 Chevrolet K Series,
2002 Chevrolet K Series,
2001 GMC B7,
2002 GMC B7,
2001 GMC C Series,
2002 GMC C Series,
2001 GMC C6,
2002 GMC C6,
2001 GMC C7,
2002 GMC C7,
2001 GMC G Series,
2002 GMC G Series,
2001 GMC K Series,
2002 GMC K Series.
|
| Bulletin Date: | Jul. 1, 2001 |
| Component: | Gasoline engine. |
| Bulletin Summary: | Some owners may comment on a ticking noise in theupper end of the engine. The noise is constant and does not vary with engine rpm. A loss of power may be noticed. |
| Vehicles covered in this TSB: |
2001 Chevrolet B7,
2001 Chevrolet C15,
2001 Chevrolet C6,
2001 Chevrolet C7,
2001 Chevrolet G Series,
2001 GMC B7,
2001 GMC C15,
2001 GMC C6,
2001 GMC C7,
2001 GMC G Series.
|
| Bulletin Date: | Mar. 1, 2001 |
| Component: | Windshield wiper/washer. |
| Bulletin Summary: | Some customers may comment that the windshield (w/s) washer reservoir shows an unexplained reduced fluid level after vehicle operation. |
| Vehicles covered in this TSB: |
1990 Chevrolet C6,
1991 Chevrolet C6,
1992 Chevrolet C6,
1993 Chevrolet C6,
1994 Chevrolet C6,
1995 Chevrolet C6,
1996 Chevrolet C6,
1997 Chevrolet C6,
1998 Chevrolet C6,
1999 Chevrolet C6,
2000 Chevrolet C6,
2001 Chevrolet C6,
1990 Chevrolet C7,
1991 Chevrolet C7,
1992 Chevrolet C7,
|
| Bulletin Date: | Nov. 1, 2000 |
| Component: | Gasoline engine. |
| Bulletin Summary: | Some medium duty models with 3126 caterpillar diesel engine and allison automatic transmission may exhibit an engine speed power takeoff (pto) operation returning to idle for no apparent reason. |
| Vehicles covered in this TSB: |
1998 Chevrolet C6,
1999 Chevrolet C6,
2000 Chevrolet C6,
2001 Chevrolet C6,
1998 Chevrolet C7,
1999 Chevrolet C7,
2000 Chevrolet C7,
2001 Chevrolet C7,
1998 GMC C6,
1999 GMC C6,
2000 GMC C6,
2001 GMC C6,
1998 GMC C7,
1999 GMC C7,
2000 GMC C7,
2001 GMC C7.
|
Also see
GMC vehicle common problems.