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Home >> Ford >> 2024 >> F-150 Lightning Pro >> Repair and Diagnosis (Single Page) >> Body & Frame >> Frames, Subframes & Crossmembers >> Full Frame And Body Mounting >> Removal And Installation >> Frame Members-Rear Frame Section >> Installation
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Frame Members-Rear Frame Section: Installation

  1. Refer to: JOINING TECHNIQUES .
  2. NOTE: Verify dimensional accuracy before  performing any welding operations.

    Install the new rear frame section into the mid rear section of the frame and tack weld the frame rails.

    Refer to: BODY AND FRAME .

    GFD826112Courtesy of FORD MOTOR COMPANY
  3. Perform a final measurement, then final weld the new rear section to the mid rear section on all overlap joints on both sides.Use the General Equipment: MIG/MAG Welding Equipment
    GFD826113Courtesy of FORD MOTOR COMPANY
  4. Metal finish the joint area typical metal finishing techniques.
  5. Position the upper and lower reinforcements and clamp in place on both sides.Use the General Equipment: Locking Pliers
    GFD826114Courtesy of FORD MOTOR COMPANY
  6. NOTE: Reinforcement welds skip over frame rail joint.

    Weld the upper and lower reinforcements to the outer mid rear and rear frame section LH and RH sides.

    GFD826115Courtesy of FORD MOTOR COMPANY
  7. NOTE: Reinforcement welds skip over frame rail joint and do not go around the frame rail inboard corners.

    Weld the upper and lower reinforcements to the inner mid rear and rear frame section LH and RH sides.

    GFD826116Courtesy of FORD MOTOR COMPANY
  8. Metal finish the joint area typical metal finishing techniques.
  9. Refinish using a Ford approved paint system.
  10. Restore corrosion protection.

    Refer to: CORROSION PREVENTION .

  11. NOTE: To avoid damage to the spare tire winch when installing the spare tire, DO NOT exceed 200 RPM if using power tool equipment.

    Install the following items:

    1. As equipped. Refer to: Fuel Tank Filler Pipe . Refer to: Fuel Tank Filler Pipe . Refer to: Fuel Tank Filler Pipe (310-01 Fuel Tank and Lines). Refer to: Fuel Tank Filler Pipe . Refer to: Fuel Tank Filler Pipe
    2. As equipped. Refer to: Muffler and Tailpipe . Refer to: Muffler and Tailpipe (309-00 Exhaust System). Refer to: Muffler and Tailpipe . Refer to: Muffler and Tailpipe . Refer to: Muffler . Refer to: Tailpipe
    3. Refer to: Spring .
    4. Refer to: Rear Shock Absorber .
    5. Refer to: Pickup Bed .
    6. Refer to: REAR BUMPER