There have been 2 technical service bulletins issued for the 1990 GMC C7.
| 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: | Sep. 1, 2000 |
| Component: | Clutch assembly. |
| Bulletin Summary: | Experiencing noisy release bearing, slipping clutch or inoerative clutch. |
| Vehicles covered in this TSB: |
1993 Chevrolet B7,
1994 Chevrolet B7,
1995 Chevrolet B7,
1996 Chevrolet B7,
1997 Chevrolet B7,
1998 Chevrolet B7,
1999 Chevrolet B7,
2000 Chevrolet B7,
1990 Chevrolet C6,
1991 Chevrolet C6,
1992 Chevrolet C6,
1993 Chevrolet C6,
1994 Chevrolet C6,
1995 Chevrolet C6,
1996 Chevrolet C6,
|
Also see
GMC vehicle common problems.