Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Frame and Body Mounting: Notes
The frame consists of 2 steel channel rails, a front crossmember, a transmission support crossmember and mid and rear welded crossmembers.
Frame repair kits are available for the frame components listed below: Instruction Sheets for each service part (found in the service part packaging) are included with the service part.
F 150
Frame repair kits:
| Component | Instruction Sheet Number |
|---|---|
| 4WDLH Front Differential Bracket Replacement | SKFL34-39510-AC |
| Center Bearing Bracket Replacement | SKFL34-5F057-AB |
| Compatibility Bracket Replacement | SK-FL34-5K057-CA |
| Front Bumper Mounting Bracket Replacement | SK-FL34-17N775-AB |
| Front Frame Replacement Section | SKFL34-5E029-AE |
| Front Frame Rail Replacement | SKFL34-5D058-AC |
| Front Lower Control Arm Mounting Bracket | SK-FL34-5F057-DB |
| Rear Bumper Mounting Bracket Replacement | SK-FL34-17D983-AA |
| Rear Frame Replacement Section | SKFL34-5F040-AB |
| Rear Spring Front Hanger Bracket Replacement | SK-FL34-5B901-AB |
| Rear Spring Shackle Bracket Replacement | SK-FL34-5B904-AB |
| Transmission Crossmember Replacement - All Frames | SK-FL34-7H474-AB |
| #1B Crossmember Replacement | SK-FL34-5L005-AB |
| Park Brake Bracket Replacement | SK-JC34-2B698-AA |
F 150-Raptor
Frame repair kits:
| Component | Instruction Sheet Number |
|---|---|
| 4WDLH Front Differential Bracket Replacement | SK-FL34-39510-AB |
| Front Bumper Mounting Bracket Replacement | SK-FL34-17N775-AB |
| Front Frame Replacement Section | SK-FL34-5C145-AA |
| Front Frame Rail Replacement | SK-FL34-5D058-AA |
| Front Lower Control Arm Mounting Bracket | SK-FL34-5F057-DB |
| Rear Bumper Mounting Bracket Replacement | SK-FL34-17D983-AB |
| Rear Frame Replacement Section | SK-FL34-5F040-AA |
| Rear Spring Front Hanger Bracket Replacement | SK-FL34-5B901-AB |
| Rear Spring Shackle Bracket Replacement | SK-FL34-5B904-AB |
| Transmission Crossmember Replacement - All Frames | SK-FL34-7H474-AB |
| Front Frame Stub Replacement Section | SK-FL34-5E029-AA |
| #1B Crossmember Replacement | SK-FL34-5L005-AB |
The SuperCrew frames also contain brackets fore and aft of front wheel and tire assembly on the front frame rails, which are designed to stabilize the tire and wheel assembly in the event of collision damage.
For frame dimensional information, refer toFor additional information, refer to: Body and Frame (501-26 Body Repairs - Vehicle Specific Information and Tolerance Checks).
Body Mounts
The body support mounts:
- secure the body to the frame.
- cannot be lubricated during body support mount installation
- Body bolt threads must be cleaned of thread sealer by using a wire wheel or wire brush.
- Apply a new treatment of threadlock sealer to the body bolt threads.
- Body retainer cage nuts must be serviced as an assembly.
- Refer to the following illustrations for body mount torque values.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.