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TSB Document:

Affected Component: ENGINE (PWS)

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. *PE

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Date Published
SEP 01, 2013
NHTSA TSB #
10053869
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