gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Wheels and Tires|Service and Repair > < Wheel Repair Description|Page 2269
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Wheel and hub-bearing life 

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Brake cooling

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Speedometer/odometer calibration

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Vehicle ground clearance

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Tire clearance to the body and the chassis

4. Replace the wheel if the wheel is bent. Replace the wheel if the wheel/nut boss area is cracked. Identify steel wheels with a 2 or 3 letter code

stamped into the rim near the valve stem. Aluminum wheels have the code, the part number, and the manufacturer identification cast into the back
side of the wheel.

Wheels and Tires|Service and Repair > < Wheel Repair Description|Page 2269