Affected Component: ENGINE (PWS)

Date Published
FEB 01, 2015
NHTSA TSB #
10057660
TSB Document
Summary
GENERAL MOTORS 2013-2015: BUICK REGAL, CADILLAC ATS, CADILLAC CTS SEDAN, CHEVROLET MALIBU, CHEVROLET IMPALA. A WHINNYING NOISE COMING FROM ENGINE IS LOUD DUE TO DECREASING AND INCREASING OF ENGINE RPMS. . UPDATED 6/17/15. *LJ