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August 24, 2015 Service bulletin

Engine and engine cooling: engine: diesel

Chevrolet technical service bulletin PIP5088C for 2011-2016 Chevrolet Silverado 1500, 2011-2016 GMC Sierra 1500 and 2011-2016 Chevrolet Silverado 2500 and others.

Bulletin number
PIP5088C
Component
Engine and engine cooling: engine: diesel
Summary
This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Part number 12638502 has been placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact the General Motors Product Quality Center for further assistance.

Owners of these vehicles have filed 898 complaints in the engine category.

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