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September 1, 2013 Service bulletin

Chevrolet: due to casting error, on some vehicles, the engine assembly needs to be replaced because of...

Chevrolet technical service bulletin SB-13283 for 2013-2014 Chevrolet Malibu and 2013-2014 Chevrolet Impala.

Bulletin number
SB-13283
Component
Engine
Summary
Chevrolet: due to casting error, on some vehicles, the engine assembly needs to be replaced because of incorrect dimensionally pistons, which causes engine noises, rough running and/or bent valves between cylinder valves and pistons. Models 2013-2014 malibu, impala.

Owners of these vehicles have filed 431 complaints in the engine category.

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