October 1, 2002 Service bulletin

Diagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling...

Chevrolet technical service bulletin 990730016A for 1995-2003 Chevrolet Tahoe, 1990-2003 Chevrolet Silverado and 1990-2003 Chevrolet Suburban and others.

Bulletin number: 990730016A
Component: Power train
Summary: Diagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling fan. Tt

Owners of these vehicles have filed 3,122 complaints in the transmission category.

Vehicles covered

Chevrolet Tahoe 1995-2003 1996 1997 1998 1999 2000 2001 2002 2003
Chevrolet Silverado 1990-2003 1996 1997 1998 1999 2000 2001 2002 2003
Chevrolet Suburban 1990-2003 1996 1997 1998 1999 2000 2001 2002 2003
Chevrolet Blazer 1990-2003 1996 1997 1998 1999 2000 2001 2002 2003
Chevrolet S10 1990-2003 1996 1997 1998 1999 2000 2001 2002 2003
GMC Yukon 1995-2003 1996 1997 1998 1999 2000 2001 2002 2003
GMC Sierra 1990-2003 1996 1997 1998 1999 2000 2001 2002 2003
Chevrolet Astro 1990-2003 1996 1997 1998 1999 2000 2001 2002 2003
GMC Envoy 1999-2001 1999 2000 2001
GMC Suburban 1990-1999 1992 1993 1994 1995 1996 1997 1998 1999
Cadillac Escalade 1999-2000, 2002-2003 1999 2000 2002 2003
GMC Sonoma 1995-2003 1996 1997 1998 1999 2000 2001 2002 2003
GMC Safari 1990-2003 1996 1997 1998 1999 2000 2001 2002 2003
Oldsmobile Bravada 1991-2001 1994 1995 1996 1997 1998 1999 2000 2001
Chevrolet Express 1996-2003 1996 1997 1998 1999 2000 2001 2002 2003
Chevrolet Tracker 1990-2003 1996 1997 1998 1999 2000 2001 2002 2003
GMC Savana 1996-2003 1996 1997 1998 1999 2000 2001 2002 2003
Hummer H2 2003 2003
GMC S15 1990-1994 1990 1991 1992 1993 1994

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