Replacing drive axel

many steps to do ...! go to auto part store and get 15 dollar repair Haines book for this 2008 Pontiac car you will use it again and again

Try Youtube.

Both answers above are excellent. Follow that advice, buy a few new tools if you need to and do it yourself. You'll save hundreds and feel great at the same time for having done it yourself. It's a relatively easy job. I've done several right on my driveway on a Saturday afternoon or a couple of evenings after work.