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Service bulletin PIP3343E

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10111783
Published by NHTSA2017-08-15
Manufacturer's numberPIP3343E
Manufacturer's date2014-04-04
NHTSA componentFUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system, Fuel hoses and lines

Vehicles listed
BUICK RAINIER2004, 2005, 2006, 2007
CADILLAC ESCALADE2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CADILLAC ESCALADE ESV2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT 15002002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE2007, 2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET AVALANCHE 15002002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 25002002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BLAZER2003, 2004, 2005
CHEVROLET COLORADO2009
CHEVROLET COLORADO2011, 2012
CHEVROLET EXPRESS2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
CHEVROLET SILVERADO 15002006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 15002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 1500 HD2002, 2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
CHEVROLET TAHOE2002, 2003, 2004, 2005
CHEVROLET TAHOE2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
CHEVROLET TRAILBLAZER2004, 2005, 2006, 2007, 2008, 2009
GMC CANYON2009, 2010, 2011, 2012
GMC ENVOY2003, 2004, 2005, 2006, 2007, 2008, 2009
GMC ENVOY XL2006 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY XUV2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
GMC G SERIES2003
GMC G VAN BUS2004 to 2006
GMC GM2002
GMC SAVANA2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
GMC SIERRA 15002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 1500 HD2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2015 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
GMC YUKON DENALI2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
GMC YUKON XL2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
HUMMER H22003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
HUMMER H32008, 2009, 2010
SAAB 9-7X2005, 2006, 2007, 2008, 2009

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
13V0800002013-03-08. FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES
04V3760002004-08-02. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
17-NA-3352021-04-15. Service bulletin. Malfunction Indicator Lamp Illuminated (MIL) - DTC P2635 and/or P018B Set In High Ambient Temperatures With Hesitation, Surging and Stalling Condition Some customers may comment that the Malfunction Indicator Light (MIL) is illuminated. Some customers may also comment on one or more of the following symptoms: • Hesitation • Surging • Stalling Note: In ambient temperatures 100 F (37.7 C) degrees or higher, DTCs P2635 and/or P018B may set. The Technician may find one or more of the following DTCs set: • P2635 • P018B Cause This condition may be caused by a vapor buildup in fuel feed line. Correction If the conditions stated above are met, replace the fuel pump module with an updated version
PIP5395E2018-11-26. Service bulletin. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
PIP55962018-11-13. Service bulletin. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
PIP3343F2018-02-21. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430.
PIT4979C2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a buzz or rattle type noise during light acceleration around 1200-2000 Revolutions per minute. Technician will need to reposition the fuel line and bracket down away from the floor pan.
PIP52052017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a rattle, tick and/or a vibration from the rear of the vehicle. Technician will need to replace the fuel line with part number 12618338.
PIP5205A2016-10-20. Service bulletin. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSING THE CONCERN OF A RATTLE, TICK AND/OR A VIBRATION FROM THE REAR OF THE VEHICLE. THIS COULD BE COMING FROM THE FUEL FEED LINE BETWEEN THE FUEL TANK AND ETHANOL SENSOR. TECHNICIAN WILL APPLY PRESSURE TO THE FUEL LINE TO DETERMINE IF THIS IS THE SOURCE OF THE CONCERN. IF IT IS DETERMINED THE FUEL LINE IS THE SOURCE OF THIS CONCERN REPLACE THE FUEL FEED PIPE BETWEEN THE CHASSIS LINE AND THE HIGH PRESSURE PUMP.
16-NA-1532016-10-07. Service bulletin. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON COMPRESSED NATURAL GAS (CNG) FUEL LINE INSPECTION AND REPLACEMENT PART IDENTIFICATION.
PIP5395A2016-09-27. Service bulletin. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE RATTLE OR TICKING NOISE THAT IS LOUDER INSIDE THE VEHICLE THAN OUTSIDE. THE NOISE MAY ALSO SOUND LIKE A LIFTER TICK. IF THE NOISE IS HEARD BEST AT THE FUEL LINE AND THE SOUND WILL BE REAL LOUD WITH A STETHOSCOPE. THE FUEL LINE WILL NEED TO BE REPLACED.
PIP-52052014-11-08. Service bulletin. GMC/CHEVROLET/CADILLAC: BETWEEN FUEL TANK AD ETHANOL SENSOR, A NOISE OF RATTLE, TICK AND/OR VIBRATION, IS COMING FROM FUEL FEED LINE IN REAR OF VEHICLE AND PRESSURE SHOULD BE APPLIED TO FUEL LINE AND REPLACE IF SOURCE IS PRESENT. MODEL 2015, ESCALADE, SUBURBAN, TAHOE, YUKON, YUKON XL. *PE