2008 GMC Envoy Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2008 GMC Envoy

2008 GMC Envoy Problems

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

Electrical power may be lost to the interior of the vehicle due to a blown 125 amp fuse located at the under hood fuse box. This fuse can blow if jumper cables are connected incorrectly. Replacing the blown fuse will commonly correct this problem.

A door window may move slowly or stop in mid travel due to a failing power window motor. The affected window may start working again after the motor cools off. Replacing the faulty window motor will commonly correct this concern.

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2008 GMC Envoy Questions

This seems to have started a couple weeks ago, we noticed a winding type sound while driving down the road, a noticeable sound. This sound is constant and to me it is generating from the front portion of the vehicle like the 4WD system is not disengaging from 4WD HI to 2WD. I have consulted a m...

When I remove the keys from the ign and open the door the radio & some pump? under the hood continues to run draining the battery. I have removed all the relays from both fuse centers and radio still on. Any other places I need to look for such relay or is this deeper than that?

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