March 14, 2024 Service bulletin

This bulletin advises the technician of possible location of an internal coolant leak from a specific...

Chevrolet technical service bulletin 06-06-01-019C for 2001-2006 Chevrolet Silverado 1500, 2001-2006 Chevrolet Tahoe and 2001-2006 GMC Sierra 1500 and others.

Bulletin number: 06-06-01-019C
Component: Engine and engine cooling
Summary: This bulletin advises the technician of possible location of an internal coolant leak from a specific cylinder head and location.

Owners of these vehicles have filed 2,344 complaints in the engine category.

Vehicles covered

Chevrolet Silverado 1500 2001-2006 2001 2002 2003 2004 2005 2006
Chevrolet Tahoe 2001-2006 2001 2002 2003 2004 2005 2006
GMC Sierra 1500 2001-2006 2001 2002 2003 2004 2005 2006
Chevrolet Suburban 2001-2006 2001 2002 2003 2004 2005 2006
Chevrolet Blazer 2001-2006 2001 2002 2003 2004 2005 2006
Chevrolet Trailblazer 2001-2006 2001 2002 2003 2004 2005 2006
GMC Yukon 2001-2006 2001 2002 2003 2004 2005 2006
Chevrolet Silverado 2500 2001-2006 2001 2002 2003 2004 2005 2006
GMC Jimmy 2001-2004 2001 2002 2003 2004
GMC Envoy 2001-2006 2001 2002 2003 2004 2005 2006
GMC Yukon XL 2001-2006 2001 2002 2003 2004 2005 2006
GMC Sierra 2500 2001-2006 2001 2002 2003 2004 2005 2006
Cadillac Escalade 2001-2006 2001 2002 2003 2004 2005 2006
Chevrolet Suburban 1500 2001-2006 2001 2002 2003 2004 2005 2006
Chevrolet Silverado 3500 2001-2006 2001 2002 2003 2004 2005 2006
Oldsmobile Bravada 2001-2004 2001 2002 2003 2004
GMC Yukon Denali 2001-2006 2001 2002 2003 2004 2005 2006
Chevrolet Avalanche 1500 2002-2006 2002 2003 2004 2005 2006
Chevrolet Trailblazer EXT 2002-2004, 2006 2002 2003 2004 2006
GMC Envoy XL 2002-2004, 2006 2002 2003 2004 2006
GMC Sierra 3500 2001-2006 2001 2002 2003 2004 2005 2006
Cadillac Escalade ESV 2003-2006 2003 2004 2005 2006
Pontiac Firebird 2000-2002 2000 2001 2002
GMC Yukon Denali XL 2003-2006 2003 2004 2005 2006
Buick Rainier 2004-2006 2004 2005 2006
GMC Yukon XL 1500 2001-2006 2001 2002 2003 2004 2005 2006
Chevrolet Trailblazer EXT 370 2002-2006 2002 2003 2004 2005 2006
GMC Sierra Denali 2002-2003 2002 2003
Chevrolet Silverado 1500 HD 2001-2005 2001 2002 2003 2004 2005
GMC Envoy Xuv 2003-2005 2003 2004 2005
Saab 9-7X 2005-2006 2005 2006
Chevrolet Suburban 2500 2001-2006 2001 2002 2003 2004 2005 2006
Chevrolet Trailblazer 360 2002-2006 2002 2003 2004 2005 2006
GMC Envoy XL 370 2002-2006 2002 2003 2004 2005 2006
GMC Envoy Denali 2006 2006
Chevrolet Avalanche 2500 2002-2006 2002 2003 2004 2005 2006
GMC Yukon XL Denali 2001-2003 2001 2002 2003
GMC Envoy 360 2002-2006 2002 2003 2004 2005 2006
GMC Yukon XL 2500 2001-2006 2001 2002 2003 2004 2005 2006
GMC Sierra 1500 HD 2001-2005 2001 2002 2003 2004 2005

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