May 1, 2011 Service bulletin

Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle...

Chevrolet technical service bulletin PIP-4492P for 2006-2009 Chevrolet Impala, 2003-2011 Chevrolet Tahoe and 2003-2011 Chevrolet Silverado and others.

Bulletin number: PIP-4492P
Component: Engine and engine cooling: exhaust system: emission control: crankcase (PCV)
Summary: Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. Upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. Kb updated a second time on 06/16/2011. Kb updated 6/27/11.

Owners of these vehicles have filed 2,577 complaints in the engine category.

Vehicles covered

Chevrolet Impala 2006-2009 2006 2007 2008 2009
Chevrolet Tahoe 2003-2011 2004 2005 2006 2007 2008 2009 2010 2011
Chevrolet Silverado 2003-2011 2004 2005 2006 2007 2008 2009 2010 2011
Chevrolet Suburban 2003-2009 2003 2004 2005 2006 2007 2008 2009
Chevrolet Trailblazer 2003-2009 2003 2004 2005 2006 2007 2008 2009
Pontiac Grand Prix 2005-2008 2005 2006 2007 2008
Chevrolet Corvette 2003-2007 2003 2004 2005 2006 2007
GMC Yukon 2003-2011 2004 2005 2006 2007 2008 2009 2010 2011
GMC Sierra 2003-2011 2004 2005 2006 2007 2008 2009 2010 2011
Chevrolet Colorado 2009-2011 2009 2010 2011
GMC Envoy 2003-2009 2003 2004 2005 2006 2007 2008 2009
Cadillac CTS 2004-2008 2004 2005 2006 2007 2008
Buick Lacrosse 2009 2009
Chevrolet Monte Carlo 2003-2007 2003 2004 2005 2006 2007
Chevrolet Avalanche 2003-2010 2003 2004 2005 2006 2007 2008 2009 2010
Cadillac Escalade 2003-2011 2004 2005 2006 2007 2008 2009 2010 2011
GMC Canyon 2009-2011 2009 2010 2011
Chevrolet Suburban 1500 2010-2011 2010 2011
Chevrolet Avalanche 1500 2011 2011
Hummer H3 2008-2010 2008 2009 2010
Chevrolet Express 2003-2011 2004 2005 2006 2007 2008 2009 2010 2011
Buick Rainier 2004-2007 2004 2005 2006 2007
GMC Savana 2003-2011 2004 2005 2006 2007 2008 2009 2010 2011
Hummer H2 2003-2010 2003 2004 2005 2006 2007 2008 2009 2010
Pontiac G8 2008-2009 2008 2009
Saab 9-7X 2005-2009 2005 2006 2007 2008 2009
Chevrolet SSR 2003-2006 2003 2004 2005 2006
Buick Allure 2009 2009
GMC Sanana 2010 2010

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