There have been 11 technical service bulletins issued for the 1993 GMC C Series(light).
| Bulletin Date: | Jun. 1, 1997 |
| Component: | Gas recirculation valve (egr valve). |
| Bulletin Summary: | Special policy adjustment - linear exhaust gas recirculation system. |
| Vehicles covered in this TSB: |
1992 Chevrolet Astro,
1993 Chevrolet Astro,
1994 Chevrolet Astro,
1992 Chevrolet Blazer,
1993 Chevrolet Blazer,
1994 Chevrolet Blazer,
1992 Chevrolet C Series(light),
1993 Chevrolet C Series(light),
1994 Chevrolet C Series(light),
1992 Chevrolet Lumina,
1993 Chevrolet Lumina,
1994 Chevrolet Lumina,
1992 GMC C Series(light),
1993 GMC C Series(light),
1994 GMC C Series(light),
1992 GMC Jimmy,
1993 GMC Jimmy,
1994 GMC Jimmy,
1992 GMC Safari,
1993 GMC Safari,
1994 GMC Safari.
|
| Bulletin Date: | Apr. 1, 1997 |
| Component: | Fuel pump. |
| Bulletin Summary: | Engine hard to start (replace fuel pump pulsator). |
| Vehicles covered in this TSB: |
1992 Chevrolet Astro,
1993 Chevrolet Astro,
1994 Chevrolet Astro,
1995 Chevrolet Astro,
1996 Chevrolet Astro,
1992 Chevrolet Blazer,
1993 Chevrolet Blazer,
1994 Chevrolet Blazer,
1995 Chevrolet Blazer,
1996 Chevrolet Blazer,
1993 Chevrolet C Series (light),
1994 Chevrolet C Series (light),
1995 Chevrolet C Series (light),
1996 Chevrolet C Series (light),
1992 Chevrolet C Series(light),
|
| Bulletin Date: | Feb. 1, 1997 |
| Component: | Gas recirculation valve (egr valve). |
| Bulletin Summary: | Policy adjustment - linear exhaust gas recirculation system. |
| Vehicles covered in this TSB: |
1993 Chevrolet Astro,
1994 Chevrolet Astro,
1993 Chevrolet Blazer,
1993 Chevrolet C Series(light),
1994 Chevrolet C Series(light),
1993 GMC C Series(light),
1994 GMC C Series(light),
1993 GMC Jimmy,
1994 GMC Jimmy,
1993 GMC Safari,
1994 GMC Safari,
1993 Oldsmobile Silhouette,
1994 Oldsmobile Silhouette.
|
| Bulletin Date: | Feb. 1, 1997 |
| Component: | Manual transmission. |
| Bulletin Summary: | Manual transmission rattle noise at idle (install conventional flywheel). |
| Vehicles covered in this TSB: |
1992 Chevrolet C Series(light),
1993 Chevrolet C Series(light),
1994 Chevrolet C Series(light),
1995 Chevrolet C Series(light),
1996 Chevrolet C Series(light),
1992 Chevrolet K15,
1993 Chevrolet K15,
1994 Chevrolet K15,
1995 Chevrolet K15,
1996 Chevrolet K15,
1992 Chevrolet Tahoe,
1993 Chevrolet Tahoe,
1994 Chevrolet Tahoe,
1995 Chevrolet Tahoe,
1996 Chevrolet Tahoe,
1992 GMC C Series(light),
1993 GMC C Series(light),
1994 GMC C Series(light),
1995 GMC C Series(light),
1996 GMC C Series(light),
1992 GMC Yukon,
1993 GMC Yukon,
1994 GMC Yukon,
1995 GMC Yukon,
1996 GMC Yukon.
|
| 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: | Interior/under dash wiring. |
| Bulletin Summary: | inoperative or erratic speedometer and/or vehicle shifts down into second gear or will not shift out of second gear. |
| Vehicles covered in this TSB: |
1993 Chevrolet Astro,
1994 Chevrolet Astro,
1993 Chevrolet C Series(light),
1994 Chevrolet C Series(light),
1993 GMC C Series(light),
1994 GMC C Series(light),
1993 GMC Safari,
1994 GMC Safari.
|
| Bulletin Date: | Feb. 1, 1995 |
| Component: | Side/rear glass. |
| Bulletin Summary: | rear liftglas does not release/inoperative. |
| Vehicles covered in this TSB: |
1992 Chevrolet C Series(light),
1993 Chevrolet C Series(light),
1994 Chevrolet C Series(light),
1992 GMC C Series(light),
1993 GMC C Series(light),
1994 GMC C Series(light).
|
| Bulletin Date: | Jan. 1, 1995 |
| Component: | Side/rear glass. |
| Bulletin Summary: | rear liftglass does not release/inoperative. |
| Vehicles covered in this TSB: |
1992 Chevrolet C Series (light),
1993 Chevrolet C Series (light),
1994 Chevrolet C Series (light),
1992 GMC C Series(light),
1993 GMC C Series(light),
1994 GMC C Series(light).
|
| Bulletin Date: | Jan. 1, 1995 |
| Component: | Windshield wiper/washer. |
| Bulletin Summary: | wiper blade chatter. |
| Vehicles covered in this TSB: |
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),
1990 Chevrolet Kodiak,
1991 Chevrolet Kodiak,
1992 Chevrolet Kodiak,
1993 Chevrolet Kodiak,
1994 Chevrolet Kodiak,
1988 GMC C Series(light),
1989 GMC C Series(light),
1990 GMC C Series(light),
1991 GMC C Series(light),
1992 GMC C Series(light),
1993 GMC C Series(light),
1994 GMC C Series(light).
|
| 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,
|
Also see
GMC vehicle common problems.