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Technical Service Bulletins of the 1991 GMC C6

There have been 4 technical service bulletins issued for the 1991 GMC C6.

1 1991 GMC C6 windshield wiper/washer TSB (Bulletin 010843002)

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, 1993 Chevrolet C7, 1994 Chevrolet C7, 1995 Chevrolet C7, 1996 Chevrolet C7, 1997 Chevrolet C7, 1998 Chevrolet C7, 1999 Chevrolet C7, 2000 Chevrolet C7, 2001 Chevrolet C7, 1990 GMC C6, 1991 GMC C6, 1992 GMC C6, 1993 GMC C6, 1994 GMC C6, 1995 GMC C6, 1996 GMC C6, 1997 GMC C6, 1998 GMC C6, 1999 GMC C6, 2000 GMC C6, 2001 GMC C6, 1990 GMC C7, 1991 GMC C7, 1992 GMC C7, 1993 GMC C7, 1994 GMC C7, 1995 GMC C7, 1996 GMC C7, 1997 GMC C7, 1998 GMC C7, 1999 GMC C7, 2000 GMC C7, 2001 GMC C7.

2 1991 GMC C6 clutch assembly TSB (Bulletin 000731001)

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, 1997 Chevrolet C6, 1998 Chevrolet C6, 1999 Chevrolet C6, 2000 Chevrolet C6, 1990 Chevrolet C7, 1991 Chevrolet C7, 1992 Chevrolet C7, 1993 Chevrolet C7, 1994 Chevrolet C7, 1995 Chevrolet C7, 1996 Chevrolet C7, 1997 Chevrolet C7, 1998 Chevrolet C7, 1999 Chevrolet C7, 2000 Chevrolet C7, 1993 GMC B7, 1994 GMC B7, 1995 GMC B7, 1996 GMC B7, 1997 GMC B7, 1998 GMC B7, 1999 GMC B7, 2000 GMC B7, 1990 GMC C6, 1991 GMC C6, 1992 GMC C6, 1993 GMC C6, 1994 GMC C6, 1995 GMC C6, 1996 GMC C6, 1997 GMC C6, 1999 GMC C6, 2000 GMC C6, 1990 GMC C7, 1991 GMC C7, 1992 GMC C7, 1993 GMC C7, 1994 GMC C7, 1995 GMC C7, 1996 GMC C7, 1997 GMC C7, 1998 GMC C7, 1999 GMC C7, 2000 GMC C7.

3 1991 GMC C6 engine TSB (Bulletin 9802676121B)

Bulletin Date: May. 5, 1998
Component: Engine.
Bulletin Summary: Comments on engine exhaust noise which is normally loudest during cold engine operation.
Vehicles covered in this TSB:
1991 Chevrolet Malibu, 1992 Chevrolet Malibu, 1993 Chevrolet Malibu, 1993 GMC B7, 1995 GMC B7, 1991 GMC C6, 1992 GMC C6, 1993 GMC C6, 1995 GMC C6, 1991 GMC C7, 1992 GMC C7, 1993 GMC C7, 1995 GMC C7, 1991 GMC P Series, 1992 GMC P Series, 1993 GMC P Series, 1994 GMC P Series, 1995 GMC P Series.

4 1991 GMC C6 cooling exhaust system TSB (Bulletin 98831110)

Bulletin Date: Feb. 1, 1998
Component: Cooling exhaust system.
Bulletin Summary: Vehicles with 6. 0l and 7. 0l engines (vins p, m - rpos ls0, lr0) may exhibit engine exhaust noise which is loudest during cold engine operation.
Vehicles covered in this TSB:
1991 Chevrolet B7, 1992 Chevrolet B7, 1993 Chevrolet B7, 1994 Chevrolet B7, 1995 Chevrolet B7, 1991 Chevrolet C6, 1992 Chevrolet C6, 1993 Chevrolet C6, 1994 Chevrolet C6, 1995 Chevrolet C6, 1991 Chevrolet C7, 1992 Chevrolet C7, 1993 Chevrolet C7, 1994 Chevrolet C7, 1995 Chevrolet C7, 1991 Chevrolet P, 1992 Chevrolet P, 1993 Chevrolet P, 1994 Chevrolet P, 1995 Chevrolet P, 1991 GMC B7, 1992 GMC B7, 1993 GMC B7, 1994 GMC B7, 1995 GMC B7, 1991 GMC C6, 1992 GMC C6, 1993 GMC C6, 1994 GMC C6, 1995 GMC C6, 1991 GMC C7, 1992 GMC C7, 1993 GMC C7, 1994 GMC C7, 1995 GMC C7, 1991 GMC P Series, 1992 GMC P Series, 1993 GMC P Series, 1994 GMC P Series, 1995 GMC P Series.


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