One problem related to engine funny noise has been reported for the 2012 Chevrolet Impala. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Chevrolet Impala based on all problems reported for the 2012 Impala.
Tl-the contact owns a 2012 Chevrolet Impala. The contact stated that while driving approximately 40 mph, the vehicle made a humming noise between switching gears. The problem persisted throughout one year. The vehicle was taken to a dealer. The diagnosis was that there was a weep hole in the exhaust system. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 25,300. Cs.