RepairPal Certified shops can diagnose and repair your 2006 GMC Envoy. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
You’re going to need a repair manual or online repair service - www.alldatadiy.com
We can’t post the entire procedure here.
You’ll likely need *hands-on* assistance from qualified personnel.
Good luck!