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Technical Service Bulletins of the 1991 GMC B7

There have been 2 technical service bulletins issued for the 1991 GMC B7.

1 1991 GMC B7 steering TSB (Bulletin 030232044)

Bulletin Date:	Sep. 1, 2004
Component:	Steering.
Bulletin Summary:	Effect of steering box limiter adjustment on turning radius and possibility of power steering system damage due to improper adjustment. Various 1990-2004 models.
Vehicles covered in this TSB:	1990 Chevrolet B7, 1991 Chevrolet B7, 1992 Chevrolet B7, 1993 Chevrolet B7, 1994 Chevrolet B7, 1995 Chevrolet B7, 1996 Chevrolet B7, 1997 Chevrolet B7, 1998 Chevrolet B7, 1999 Chevrolet B7, 2000 Chevrolet B7, 2001 Chevrolet B7, 2002 Chevrolet B7, 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, 1997 Chevrolet C Series, 1998 Chevrolet C Series, 1999 Chevrolet C Series, 2000 Chevrolet C Series, 2001 Chevrolet C Series, 2002 Chevrolet C Series, Chevrolet Kodiak, 1990 Chevrolet T-series, 1991 Chevrolet T-series, 1992 Chevrolet T-series, 1993 Chevrolet T-series, 1994 Chevrolet T-series, 1995 Chevrolet T-series, 1996 Chevrolet T-series, 1997 Chevrolet T-series, 1998 Chevrolet T-series, 1999 Chevrolet T-series, 2000 Chevrolet T-series, 2001 Chevrolet T-series, 2002 Chevrolet T-series, 1991 GMC B7, 1992 GMC B7, 1993 GMC B7, 1994 GMC B7, 1995 GMC B7, 1996 GMC B7, 1997 GMC B7, 1998 GMC B7, 1999 GMC B7, 2000 GMC B7, 2001 GMC B7, 2002 GMC B7, 1990 GMC C Series, 1991 GMC C Series, 1992 GMC C Series, 1993 GMC C Series, 1994 GMC C Series, 1995 GMC C Series, 1996 GMC C Series, 1997 GMC C Series, 1998 GMC C Series, 1999 GMC C Series, 2000 GMC C Series, 2001 GMC C Series, 2002 GMC C Series, 1990 GMC T-series, 1991 GMC T-series, 1992 GMC T-series, 1993 GMC T-series, 1994 GMC T-series, 2000 GMC T-series, 2001 GMC T-series, 2002 GMC T-series, 2003 GMC Topkick, 2004 GMC Topkick.

2 1991 GMC B7 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.

Also see GMC vehicle common problems.

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