There have been 3 technical service bulletins issued for the 1999 GMC Medium Duty.
| Bulletin Date: | Jan. 1, 2004 |
| Component: | Engine. |
| Bulletin Summary: | Supplement to 03-06-04-002 4hei-tc diesel engine - cold weather no start. Also includes 2002, 2003 and 2004 medium duty. |
| Vehicles covered in this TSB: |
1999 Chevrolet Malibu,
2000 Chevrolet Malibu,
2001 Chevrolet Malibu,
1999 GMC Medium Duty,
2000 GMC Medium Duty,
2001 GMC Medium Duty,
1999 Isuzu NPR,
2000 Isuzu NPR,
2001 Isuzu NPR,
2002 Isuzu NPR,
2003 Isuzu NPR,
2004 Isuzu NPR.
|
| Bulletin Date: | Mar. 1, 2001 |
| Component: | Gas recirculation valve (egr valve). |
| Bulletin Summary: | Some w series medium duty tilt cab models may experience pcv system freeze-up when operated in extremely cold weather conditions, causing the engine rear main seal to leak. |
| Vehicles covered in this TSB: |
1999 Chevrolet Malibu,
2000 Chevrolet Malibu,
2001 Chevrolet Malibu,
1999 GMC Medium Duty,
2000 GMC Medium Duty,
2001 GMC Medium Duty.
|
| Bulletin Date: | Sep. 20, 2000 |
| Component: | Brake antilock abs warning light. |
| Bulletin Summary: | This subject involves 1990 through 2000 model year medium duty vehicles with anti-lock brake system (abs) exhibiting a red primary brake light on after the installation of a service (abs) anti-lock brake system module. |
| Vehicles covered in this TSB: |
Chevrolet Chevrolet,
1990 Chevrolet Malibu,
1991 Chevrolet Malibu,
1992 Chevrolet Malibu,
1993 Chevrolet Malibu,
1994 Chevrolet Malibu,
1995 Chevrolet Malibu,
1996 Chevrolet Malibu,
1997 Chevrolet Malibu,
1998 Chevrolet Malibu,
1999 Chevrolet Malibu,
2000 Chevrolet Malibu,
GMC Gmc Truck,
1990 GMC Medium Duty,
1991 GMC Medium Duty,
1992 GMC Medium Duty,
1993 GMC Medium Duty,
1994 GMC Medium Duty,
1995 GMC Medium Duty,
1996 GMC Medium Duty,
1997 GMC Medium Duty,
1998 GMC Medium Duty,
1999 GMC Medium Duty,
2000 GMC Medium Duty.
|
Also see
GMC vehicle common problems.