PIP5016B
Service Bulletin Details
Public Details for: PIP5016B
This preliminary information communication provides additional information to the technician when replacing the duramax diesel head gasket. This is a supplement to procedure found in service information. The left and right cylinder head gas
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2016 CHEVROLET EXPRESS |
2016 CHEVROLET SILVERADO 2500 |
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2016 GMC SIERRA DENALI |
Models from 2015
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2015 CHEVROLET SILVERADO 2500 |
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Models from 2014
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2014 GMC SAVANA |
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Models from 2013
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2013 GMC SAVANA |
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Models from 2012
2012 CHEVROLET EXPRESS |
2012 CHEVROLET SILVERADO 2500 |
2012 GMC SAVANA |
2012 GMC SIERRA 2500 |
2012 GMC SIERRA DENALI |
Models from 2011
2011 CHEVROLET EXPRESS |
2011 CHEVROLET SILVERADO 1500 |
2011 CHEVROLET SILVERADO 2500 |
2011 GMC SAVANA |
2011 GMC SIERRA 2500 |
2011 GMC SIERRA DENALI |
Models from 2010
2010 CHEVROLET EXPRESS |
2010 CHEVROLET SILVERADO 1500 |
2010 CHEVROLET SILVERADO 2500 |
2010 GMC SAVANA |
2010 GMC SIERRA 2500 |
2010 GMC SIERRA DENALI |
Models from 2009
2009 CHEVROLET EXPRESS |
2009 CHEVROLET SILVERADO 1500 |
2009 CHEVROLET SILVERADO 2500 |
2009 GMC SAVANA |
2009 GMC SIERRA 2500 |
2009 GMC SIERRA DENALI |
Models from 2008
2008 CHEVROLET EXPRESS |
2008 CHEVROLET SILVERADO 1500 |
2008 CHEVROLET SILVERADO 2500 |
2008 GMC SAVANA |
2008 GMC SIERRA 2500 |
2008 GMC SIERRA DENALI |
Models from 2007
2007 CHEVROLET EXPRESS |
2007 CHEVROLET SILVERADO 1500 |
2007 CHEVROLET SILVERADO 2500 |
2007 GMC SAVANA |
2007 GMC SIERRA 2500 |
2007 GMC SIERRA DENALI |
Models from 2006
2006 CHEVROLET EXPRESS |
2006 CHEVROLET SILVERADO 1500 |
2006 CHEVROLET SILVERADO 2500 |
2006 GMC G VAN BUS |
2006 GMC SAVANA |
2006 GMC SIERRA 2500 |
Models from 2005
2005 CHEVROLET EXPRESS |
2005 CHEVROLET SILVERADO 1500 HD |
2005 CHEVROLET SILVERADO 2500 |
2005 GMC G VAN BUS |
2005 GMC SAVANA |
2005 GMC SIERRA 2500 HD |
Models from 2004
2004 CHEVROLET EXPRESS |
2004 CHEVROLET SILVERADO 1500 HD |
2004 CHEVROLET SILVERADO 2500 HD |
2004 GMC G VAN BUS |
2004 GMC SAVANA |
2004 GMC SIERRA 2500 HD |
Models from 2003
2003 CHEVROLET EXPRESS |
2003 CHEVROLET SILVERADO 1500 HD |
2003 CHEVROLET SILVERADO 2500 HD |
2003 GMC G SERIES |
2003 GMC SAVANA |
Models from 2002
2002 CHEVROLET EXPRESS |
2002 CHEVROLET SILVERADO 1500 HD |
2002 CHEVROLET SILVERADO 2500 HD |
2002 GMC GM |
2002 GMC SAVANA |
Models from 2001
2001 CHEVROLET EXPRESS |
2001 CHEVROLET SILVERADO 2500 HD |
2001 CHEVROLET SILVERADO 3500 HD |
2001 GMC GM |
2001 GMC SAVANA |
Bulletin No.: PIP5016B Date: Dec-2015 Subject: Supplement To Service Information For Duramax Diesel Head Gasket Replacement Models: 2001 - 2016 Chevrolet Express and Silverado 2001 - 2016 GMC Savana and Sierra Equipped with the Duramax Diesel Engine RPO codes LB7 LBZ LGH LLY LML LMM This PI was superseded to update Model Years. Please discard PIP5016A. The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition/Concern This PI is not for diagnostic purposes. This PI is a supplement to the Duramax diesel head gasket replacement procedure found in Service Information. Recommendation/Instructions The following are recommendations and best practices to follow during Duramax diesel cylinder head service or gasket replacement: The left and right cylinder head gaskets are not interchangeable. Improper placement of the cylinder head gasket will block coolant and oil passages. Blocked coolant and oil passages will cause severe engine damage. Do not use any power type sanding devices. Do not use a wire brush or wheel to clean gasket surfaces. Do not use chemical cleaning agents on gasket surfaces. Refer to the latest version of bulletin 00-06-01-012 for more information. Refer to Service Information and the latest version of bulletin 06-06-01-006 for engine block and cylinder head sealing surface cleaning procedures. During cylinder head servicing or cylinder head gasket replacement always use NEW M12 cylinder head bolts. The M8 cylinder head bolts can be reused. Clean the bolt threads and holes Leave the gaskets in the packaging until they are ready to install on the block. Once removed from the packaging handle with great care. DO NOT set the gaskets on workbenches or toolboxes to avoid possible introduction of foreign debris . DO NOT use air to blow between the gasket layers. DO NOT machine the cylinder head surface. Measure the cylinder head for warpage with a straight edge and a feeler gauge. A cylinder head block deck with warpage in excess of 0.1 mm (0.0039 in) must be replaced. It is recommended to install two head bolts secured to minimal torque (Est. 20 Nm) prior to installing the remaining head bolts. This will minimize the chance of introducing other foreign material during installation. It is also recommended to use a paint pen on the M12 cylinder head bolts during installation. Mark the head of each bolt, one by one, indicating which of the 4 torque steps have been completed on that particular bolt. This prevents skipping a step or doing a step twice. In the end, all bolts should have 4 paint pen marks. Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. 1 WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION 2