Rosie, check out the link I posted above your post. Gruven makes their own motors to replace the crappy ones GM has been using. Pretty inexpensive when you compare it to the dealer prices. (View Post)

Has anyone had any luck or have any feedback on this company that rebuilds these original parts? http://www.gruvenparts.com/2008-2013-gm-door-lock-actuator-rebuild/ (View Post)