Cadillac Owners Forum banner

2012 cts 4 coupe

  1. 2012 CTS 4 Coupe roaring-type vibration upon acceleration over 10mph

    2008-2013 Cadillac CTS General Discussion
    First off, I’m the only owner of this car (2012 CTS 4 Coupe, 86k) & never ever skimped on maintenance, etc. Second, I know zero about cars so please forgive my ignorance as I describe this issue. Just today, I noticed a loud vibration, almost purring or roaring as I accelerated above 10mph...