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August 14, 2014 Service bulletin

Power train: automatic transmission

Chevrolet technical service bulletin PIP5021D for 2014 Chevrolet Silverado 1500, 2014 GMC Sierra 1500 and 2015 Chevrolet Silverado and others.

Bulletin number
PIP5021D
Component
Power train: automatic transmission
Summary
This Preliminary Information communication advises the technician that the Allison 6 Speed Automatic Transmission Assembly (RPO MW7) has been placed on restriction through General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.

Owners of these vehicles have filed 249 complaints in the transmission category.

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