Cadillac Owners Forum banner

new to cadillacs

  1. 2003 CTS - rear end howl and engine shift redlines ?

    Cadillac CTS First Generation Forum - 2003 - 2007
    Hey all, new to the CT’s and telling you I love mine so far. I have a 2003 CTS and I have a couple of questions: 1. When I am starting to slow down I have a a howl from the rear of the car asked my mechanic and he said it has a corvette differential and is a posi unit Should there be a howl?? 2...