May 11, 2016 Service bulletin

This preliminary information communication advises the technician that the hydro-boost is not serviceable...

Chevrolet technical service bulletin PIT-3665-D for 1998-2016 Chevrolet Silverado 1500, 2001-2005 Chevrolet Tahoe and 1998-2016 GMC Sierra 1500 and others.

Bulletin number: PIT-3665-D
Component: Service brakes, hydraulic: pedals and linkages
Summary: This preliminary information communication advises the technician that the hydro-boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

Owners of these vehicles have filed 7,349 complaints in the brakes category.

Vehicles covered

Chevrolet Silverado 1500 1998-2016 2009 2010 2011 2012 2013 2014 2015 2016
Chevrolet Tahoe 2001-2005 2001 2002 2003 2004 2005
GMC Sierra 1500 1998-2016 2009 2010 2011 2012 2013 2014 2015 2016
Chevrolet Suburban 2001-2005 2001 2002 2003 2004 2005
GMC Yukon 2001-2004 2001 2002 2003 2004
Chevrolet Astro 1998-2005 1998 1999 2000 2001 2002 2003 2004 2005
Cadillac Escalade 2001-2005 2001 2002 2003 2004 2005
GMC Safari 1998-2005 1998 1999 2000 2001 2002 2003 2004 2005
GMC Yukon Denali 2001-2004 2001 2002 2003 2004
Chevrolet Avalanche 1500 2002-2004 2002 2003 2004
Chevrolet Express 1998-2016 2009 2010 2011 2012 2013 2014 2015 2016
Cadillac Escalade ESV 2003-2005 2003 2004 2005
GMC Savana 1998-2016 2009 2010 2011 2012 2013 2014 2015 2016
Hummer H2 2002-2007 2002 2003 2004 2005 2006 2007
GMC Denali 2001-2003 2001 2002 2003
GMC Safari (GMC) 1998-2005 1998 1999 2000 2001 2002 2003 2004 2005
Cadillac Escalade EXT 1500 2002-2005 2002 2003 2004 2005

VIN decoder

See the problems and recalls for an exact car

Buying a used Chevrolet Silverado 1500?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history