There have been 12 technical service bulletins issued for the 1991 Chevrolet G Series.
| Bulletin Date: | Jan. 1, 2000 |
| Component: | Gasoline engine. |
| Bulletin Summary: | Subject regarding a hard, no start or excessive gray or white smoke condition on start up after recent glow plug replacement. |
| Vehicles covered in this TSB: |
1982 Chevrolet C Series,
1983 Chevrolet C Series,
1984 Chevrolet C Series,
1985 Chevrolet C Series,
1986 Chevrolet C Series,
1987 Chevrolet C Series,
1988 Chevrolet C Series,
1989 Chevrolet C Series,
1990 Chevrolet C Series,
1991 Chevrolet C Series,
1992 Chevrolet C Series,
1993 Chevrolet C Series,
1994 Chevrolet C Series,
1995 Chevrolet C Series,
1996 Chevrolet C Series,
|
| Bulletin Date: | Apr. 1, 1995 |
| Component: | Exhaust system emission control. |
| Bulletin Summary: | recall 91-c-50 - general motors has determined that certain 1991 chevrtolet c/k trucks, m/l and g vans equipped with 4. 3l engines [rpo lb4 or rpo lu2 (m van only)] may be emitting non-methane hydrocarbons (nmhc) in excess of California em |
| Vehicles covered in this TSB: |
1991 Chevrolet Astro,
1991 Chevrolet C Series(light),
1991 Chevrolet G Series.
|
| Bulletin Date: | Feb. 1, 1995 |
| Component: | Gasoline engine. |
| Bulletin Summary: | cold engine knock. |
| Vehicles covered in this TSB: |
1990 Chevrolet Astro,
1991 Chevrolet Astro,
1992 Chevrolet Astro,
1993 Chevrolet Astro,
1994 Chevrolet Astro,
1990 Chevrolet C Series(light),
1991 Chevrolet C Series(light),
1992 Chevrolet C Series(light),
1993 Chevrolet C Series(light),
1994 Chevrolet C Series(light),
1990 Chevrolet G Series,
1991 Chevrolet G Series,
1992 Chevrolet G Series,
1993 Chevrolet G Series,
1994 Chevrolet G Series,
|
| Bulletin Date: | Feb. 1, 1995 |
| Component: | Exhaust system emission control. |
| Bulletin Summary: | California recall - general motors has determined that certain 1991 c/k trucks, m/l and g vans with 4. 3l engines may be emitting non-methane hydrocarbons in excess of California emission standards. To correct this condition, dealers are t |
| Vehicles covered in this TSB: |
1991 Chevrolet Astro,
1991 Chevrolet C Series (light),
1991 Chevrolet G Series,
1991 GMC C Series(light),
1991 GMC G Series,
1991 GMC Safari.
|
| Bulletin Date: | Feb. 1, 1995 |
| Component: | Exhaust system emission control. |
| Bulletin Summary: | Unknown |
| Vehicles covered in this TSB: |
1991 Chevrolet G Series,
1991 GMC C Series(light),
1991 GMC Safari.
|
| Bulletin Date: | Feb. 1, 1995 |
| Component: | Automatic transmission. |
| Bulletin Summary: | transmission leak at rear extention housing and prop shaft. |
| Vehicles covered in this TSB: |
1991 Chevrolet G Series,
1992 Chevrolet G Series,
1993 Chevrolet G Series,
1994 Chevrolet G Series,
1995 Chevrolet G Series,
1991 GMC G Series,
1992 GMC G Series,
1993 GMC G Series,
1994 GMC G Series,
1995 GMC G Series.
|
| Bulletin Date: | Jan. 1, 1995 |
| Component: | Doors latch. |
| Bulletin Summary: | rear and side cargo door latch rattles. |
| Vehicles covered in this TSB: |
1985 Chevrolet G Series,
1986 Chevrolet G Series,
1987 Chevrolet G Series,
1988 Chevrolet G Series,
1989 Chevrolet G Series,
1990 Chevrolet G Series,
1991 Chevrolet G Series,
1992 Chevrolet G Series,
1993 Chevrolet G Series,
1994 Chevrolet G Series,
1985 GMC G Series,
1986 GMC G Series,
1987 GMC G Series,
1988 GMC G Series,
1989 GMC G Series,
1990 GMC G Series,
1991 GMC G Series,
1992 GMC G Series,
1993 GMC G Series,
1994 GMC G Series.
|
| Bulletin Date: | Jan. 1, 1995 |
| Component: | Manifold/header/muffler/tail pipe. |
| Bulletin Summary: | new cast iron exhaust manifold and stainless steel gasket to correct engine noise condition. |
| Vehicles covered in this TSB: |
1982 Chevrolet C Series (light),
1983 Chevrolet C Series (light),
1984 Chevrolet C Series (light),
1985 Chevrolet C Series (light),
1986 Chevrolet C Series (light),
1987 Chevrolet C Series (light),
1988 Chevrolet C Series (light),
1989 Chevrolet C Series (light),
1990 Chevrolet C Series (light),
1991 Chevrolet C Series (light),
1992 Chevrolet C Series (light),
1993 Chevrolet C Series (light),
1994 Chevrolet C Series (light),
1995 Chevrolet C Series (light),
1982 Chevrolet G Series,
|
| Bulletin Date: | Dec. 1, 1994 |
| Component: | Unknown or other. |
| Bulletin Summary: | oil pressure gauge reading concerns. |
| Vehicles covered in this TSB: |
1991 Chevrolet Astro,
1992 Chevrolet Astro,
1993 Chevrolet Astro,
1994 Chevrolet Astro,
1991 Chevrolet Blazer,
1992 Chevrolet Blazer,
1993 Chevrolet Blazer,
1994 Chevrolet Blazer,
1991 Chevrolet C Series(light),
1992 Chevrolet C Series(light),
1993 Chevrolet C Series(light),
1994 Chevrolet C Series(light),
1991 Chevrolet G Series,
1992 Chevrolet G Series,
1993 Chevrolet G Series,
|
| Bulletin Date: | Dec. 1, 1994 |
| Component: | Automatic transmission. |
| Bulletin Summary: | transmission extention seal leaks. |
| Vehicles covered in this TSB: |
1988 Chevrolet Astro,
1989 Chevrolet Astro,
1990 Chevrolet Astro,
1991 Chevrolet Astro,
1992 Chevrolet Astro,
1993 Chevrolet Astro,
1994 Chevrolet Astro,
1988 Chevrolet G Series,
1989 Chevrolet G Series,
1990 Chevrolet G Series,
1991 Chevrolet G Series,
1992 Chevrolet G Series,
1993 Chevrolet G Series,
1994 Chevrolet G Series,
1988 GMC G Series,
|
| Bulletin Date: | Nov. 1, 1994 |
| Component: | Cooling system. |
| Bulletin Summary: | insufficient heater performance. |
| Vehicles covered in this TSB: |
1990 Chevrolet G Series,
1991 Chevrolet G Series,
1992 Chevrolet G Series,
1993 Chevrolet G Series,
1994 Chevrolet G Series,
1990 GMC G Series,
1991 GMC G Series,
1992 GMC G Series,
1993 GMC G Series,
1994 GMC G Series.
|
| Bulletin Date: | Jul. 1, 1993 |
| Component: | Doors latch. |
| Bulletin Summary: | inoperative door lock/latch. |
| Vehicles covered in this TSB: |
1991 Chevrolet G Series,
1992 Chevrolet G Series.
|
Also see
Chevrolet vehicle common problems.