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April 1, 2013 Service bulletin

Buick/chevrolet/gmc/saturn: some vehicles are experiencing low low engine coolant level, causing leakage...

GMC technical service bulletin PB-13079 for 2009-2013 GMC Acadia, 2009-2013 Chevrolet Traverse and 2009-2013 Buick Enclave and others.

Bulletin number
PB-13079
Component
Engine and engine cooling: cooling system
Summary
Buick/chevrolet/gmc/saturn: 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.

Owners of these vehicles have filed 1,112 complaints in the engine category.

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