Straightening a Ford Truck Frame: F-150, Super Duty and Ranger

How body-on-frame Ford trucks are measured and straightened after a collision, and why hitch and towing damage needs special attention.

Ford Trucks Still Use a Separate Frame

Unlike most cars, the F-150, Super Duty, Ranger, Expedition and Bronco are built body-on-frame. The cab and bed bolt to a steel ladder frame. That design is tough, but after a collision the frame, cab mounts and bed mounts all need to be checked independently.

Common Ford Frame Damage

  • Front frame horns bent in front-end collisions
  • Rear frame rails pushed in by rear impacts or while backing into loading docks
  • Sway or twist after off-road incidents or side impacts to the wheels
  • Hitch receiver and crossmember damage from trailer jackknifes or rear hits

Measuring a Ladder Frame

We mount the truck and compare frame points to Ford's specifications. Because the frame is long, small angles at one end become large misalignments at the other, which shows up as uneven bed gaps or a crooked steering wheel.

Straighten, Section or Replace

Ford's procedures specify when a frame can be straightened, when a damaged section can be replaced, and when a full frame replacement is required. Heat is generally avoided on high-strength frame steel. We follow those rules for each truck and year.

Towing Safety After Repair

If you tow, the hitch, wiring and trailer sensors must work perfectly. We inspect the receiver and crossmember and test trailer lighting and Pro Trailer Backup Assist where equipped.

Frequently Asked Questions

Is the Ford Maverick body-on-frame?

No. The Maverick uses unibody construction, so its structural repair process is different from the F-150's.

Can a bent F-150 frame be fixed?

Often, yes, if damage is within Ford's straightening limits. Otherwise sections or the frame are replaced.

Why is my bed gap uneven after a rear hit?

The frame or bed mounts may have shifted. Measuring will confirm.

Learn more about frame repair.

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