GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Yukon XL - 4WD 🢒 Body and Accessories 🢒 Frame and Underbody 🢒 Frame Conditions - Sidesway

Conditions

Action

A collision involving the vehicle.

Straighten and reinforce the frame. Refer to Frame Straightening Description .

A fire involving the vehicle.

The use of equipment such as snow plows for which the frame was neither designed nor properly reinforced.

Abrupt changes in section modulus.

Improper body, or accessory mounting, which may include the following:

    • Holes drilled in the flange of the frame rail.
    • Too many holes in the web section of the rail.
    • Holes in the web section which are too close to each other.
    • Four or more holes in the same vertical line of the rail web.
    • Welds on the flange, particularly across the flange or along its edge.
    • Cutting holes in the rail with a torch.
    • Cutting notches anywhere on the rails.