November 1, 2003 Service bulletin

4L60-E automatic transmission oil pump first and second design identification. tt

Chevrolet technical service bulletin 030730056 for 2000-2004 Chevrolet Tahoe, 1999-2004 Chevrolet Silverado and 1997-2004 Chevrolet Suburban and others.

Bulletin number: 030730056
Component: Power train: automatic transmission
Summary: 4l60-e automatic transmission oil pump first and second design identification. Tt

Owners of these vehicles have filed 3,160 complaints in the transmission category.

Vehicles covered

Chevrolet Tahoe 2000-2004 2000 2001 2002 2003 2004
Chevrolet Silverado 1999-2004 1999 2000 2001 2002 2003 2004
Chevrolet Suburban 1997-2004 1997 1998 1999 2000 2001 2002 2003 2004
Chevrolet Blazer 1997-2004 1997 1998 1999 2000 2001 2002 2003 2004
Chevrolet Trailblazer 2002-2004 2002 2003 2004
Chevrolet S10 1997-2004 1997 1998 1999 2000 2001 2002 2003 2004
Chevrolet Corvette 1997-2004 1997 1998 1999 2000 2001 2002 2003 2004
GMC Yukon 2000-2004 2000 2001 2002 2003 2004
GMC Sierra 1997-2004 1997 1998 1999 2000 2001 2002 2003 2004
Chevrolet Colorado 2004 2004
Chevrolet Camaro 1997-2002 1997 1998 1999 2000 2001 2002
GMC Jimmy 1997-2001 1997 1998 1999 2000 2001
Chevrolet Astro 1997-2004 1997 1998 1999 2000 2001 2002 2003 2004
GMC Envoy 1997-2004 1997 1998 1999 2000 2001 2002 2003 2004
Chevrolet Avalanche 2002-2004 2002 2003 2004
GMC Suburban 1997-1999 1997 1998 1999
Cadillac Escalade 2002-2004 2002 2003 2004
GMC Canyon 2004 2004
GMC Sonoma 1997-2004 1997 1998 1999 2000 2001 2002 2003 2004
GMC Safari 1997-2004 1997 1998 1999 2000 2001 2002 2003 2004
Oldsmobile Bravada 1997-2004 1997 1998 1999 2000 2001 2002 2003 2004
Chevrolet Express 1997-2004 1997 1998 1999 2000 2001 2002 2003 2004
Pontiac Firebird 1997-2002 1997 1998 1999 2000 2001 2002
GMC Savana 1997-2004 1997 1998 1999 2000 2001 2002 2003 2004
Hummer H2 2003-2004 2003 2004
GMC Denali 1999-2003 1999 2000 2001 2002 2003
Chevrolet SSR 2004 2004

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