GMC is a division of General Motors Corporation that manufactures light trucks and sport utility vehicles. Modern GMC and Chevrolet (also owned by GM) trucks are almost identical and are manufactured on the same assembly lines, although the GMC sports unique front end styling. Most manufacturers of light trucks install the spare tire underneath the rear cargo bed to save room in the bed itself. To access the spare tire on older trucks, you had to crawl under the bed, loosen the bracket, and lower the spare tire by hand. You can lower the spare tire on your 2006 GMC in just a few minutes and without having to crawl under the vehicle .

Things You’ll Need

• Tire changing tool kit

• Access the tire changing tools by removing the tire jack behind the seat, or behind the rear seat in extended cab models. Loosen the wing nut that holds the jack in a counter-clockwise direction. Lift up the jack and set it aside.

• Remove the wing nut that secures the tool pouch by spinning it counter-clockwise. Set the nut aside. Remove the tire changing tools from the tool kit pouch.

• Open the plastic cover located on the back bumper next to the license plate by hand. Use your ignition key to open the cover if your truck has the locking spare tire option.

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• Push the two long straight jack handle extensions from the tool pouch together until they click. Insert the ribbed square end of the extension into the hole in the rear bumper until it reaches the lowering mechanism.

• Place the lug wrench from the tool pouch onto the other end of the jack handle extension and turn it in a counter-clockwise direction until the spare tire reaches the ground.

• Remove the lug wrench from the jack handle extension. Use the hooked end of the wrench to snag the tire lowering cable and pull it towards you to slide the tire from under the vehicle.

Tips & Warnings

• Once the spare tire has been lowered, it can be removed from the lowering retainer by tilting the retainer to one side. Lift the retainer from the center of the wheel.
• Reinstall your spare tire by reversing the above directions.

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