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Service bulletin PB-13079

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 id10052213
Published by NHTSA2013-06-27
Manufacturer's numberPB-13079
Manufacturer's date2013-04-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

BUICK/CHEVROLET/GMC/SATURN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SOME VEHICLES ARE EXPERIENCING LOW LOW ENGINE COOLANT LEVEL, CAUSING LEAKAGE FROM WATER PUMP SHAFT SEAL AND NEED TO BE CHECKED. MODELS 2009-2013 ENCLAVE, TRAVERSE, ACADIA, 2009-2010 OUTLOOK. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Cooling system

Vehicles listed
BUICK ENCLAVE2009, 2010, 2011, 2012, 2013
CHEVROLET TRAVERSE2009, 2010, 2011, 2012, 2013
GMC ACADIA2009, 2010, 2011, 2012, 2013
SATURN OUTLOOK2009, 2010

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

Other bulletins for the same vehicles and component
PIP5684B2020-08-10. Service bulletin. This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
PIP5257B2018-08-20. Service bulletin. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Technician will need to inspect the oil cooler if equipped for possible leaking into the cooling system through the radiator. If no issue found replace the engine as well as all rubber coolant hoses.
PIT53362018-05-07. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Codes P0030, P0031, P0032, P0036, P0037, P0038, P0050, P0051, P0052, P0053, P0054, P0056, P0057, P0058, P0059, P0060, P0131,?P0132,?P0134,?P0137,?P0138,?P0140,?P0151, P0052, P0154, P0157, P0158,?P0160, P0443, and P0049. Technician also may find Emission 1 Fuse is open. Technician will need to inspect and repair any wires damage on the engine harness to the Bank 1 O2 sensor for chafing on the A/C hose coupling.
PIP55492018-02-21. Service bulletin. This Preliminary information communicates a diagnostic trail to a likely conclusion for lean codes on these vehicles.
PIP4959C2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician with information about vehicles that misfires or roughness on cold start up. Technician may find Diagnostic Trouble Code P0300 set. Technician will need to add coolant dye to the system and run the engine through warm up to circulate the dye. Pressurize the cooling system after a cold soak and inspect the cylinder with a bore scope for coolant dye. If coolant is found in the cylinder technician will need to contact General Motors Product Quality Center for engine replacement.
PIP5095B2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark Plug Tube is leaking and it is determined that the oil or coolant is not coming from a leak above the spark plug then replace the cylinder Head, spark plug and coil.
SB-130912013-07-19. Service bulletin. BUICK/CHEVROLET/GMC/SATURN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN VEHICLES, THE WATER PUMP SHAFT SEAL MAY EXPERIENCE A LEAKAGE CAUSED BY LOW ENGINE COOLANT LEVEL THAT MAY RESULT IN WATER PUMP FAILURE. MODELS 2008-2010 ENCLAVE, 2009-2010 TRAVERSE, 2007-2010 ACADIA, OUTLOOK. *PE