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September 18, 2014 Service bulletin

Engine and engine cooling: cooling system: radiator assembly

Chevrolet technical service bulletin PI1164A for 2010-2011, 2014 Chevrolet Silverado 1500, 2015 Chevrolet Tahoe and 2014 GMC Sierra 1500 and others.

Bulletin number
PI1164A
Component
Engine and engine cooling: cooling system: radiator assembly
Summary
This preliminary bulletin provides information on how to check for ice and/or snow build up and to install a radiator cover to correct the customers concern of reduced engine power and service engine message on.

Owners of these vehicles have filed 668 complaints in the engine category.

Vehicles covered

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