Affected Component: ENGINE (PWS)

Date Published

SEP 01, 2013

NHTSA TSB #

10053869

TSB Document

• SB-10053869-9991.pdf

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