October 19, 2016 Service bulletin

This Preliminary Information communication provides information to the technician about vehicles that have...

Chevrolet technical service bulletin PIP4436C for 2006-2010 Chevrolet Silverado 1500, 2001-2010 Chevrolet Silverado 2500 and 2007-2010 GMC Sierra 2500 and others.

Bulletin number: PIP4436C
Component: Equipment
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an engine noise, low oil pressure, over-speed condition, or abnormal oil sludge build up in the crankcase. Technician should follow published Service Information diagnosis for the DTCs found. If an excessive amount of sludge is found in the crankcase the vehicle may be running a high percentage of Bio-fuel. Technician should verify the oil change records and verify proper oil change intervals are being followed. Technician should be advised to use the Duramax Diesel Owner?s Manual Supplement for guidelines on proper fuel usage.

Vehicles covered

Chevrolet Silverado 1500 2006-2010 2006 2007 2008 2009 2010
Chevrolet Silverado 2500 2001-2010 2003 2004 2005 2006 2007 2008 2009 2010
GMC Sierra 2500 2007-2010 2007 2008 2009 2010
Chevrolet Silverado 3500 2001 2001
Chevrolet Express 2006-2010 2006 2007 2008 2009 2010
GMC Savana 2006-2010 2006 2007 2008 2009 2010
GMC Sierra Denali 2007-2010 2007 2008 2009 2010
Chevrolet Silverado 1500 HD 2002, 2005 2002 2005
Chevrolet C Series 2007-2009 2007 2008 2009
Chevrolet G Series 2003 2003
Chevrolet Conventional 2003 2003
GMC C Series 2004-2006 2004 2005 2006
GMC GM 2001-2002 2001 2002
GMC G Series 2003 2003
GMC Topkick 2003-2010 2003 2004 2005 2006 2007 2008 2009 2010
Chevrolet T-Series 2003-2005, 2010 2003 2004 2005 2010
Chevrolet F Series 2004-2006 2004 2005 2006

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