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.

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HOMESERVICE MANUALSFORD2018EXPEDITION MAX LIMITED, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEFRAMES, SUBFRAMES & CROSSMEMBERSBODY SYSTEM - FULL FRAME AND BODY MOUNTINGREMOVAL AND INSTALLATIONFRAME MEMBERS-REAR FRAME SECTIONINSTALLATION

2018 Ford Expedition MAX Limited, 4WD

Frame Members-Rear Frame Section: Installation

2018 Ford Expedition MAX Limited, 4WDSECTION Installation

Refer to: Joining Techniques .
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 .

Courtesy of FORD MOTOR COMPANY
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

Courtesy of FORD MOTOR COMPANY
Metal finish the joint area typical metal finishing techniques.
Metal finish the joint area typical metal finishing techniques.
Refinish using a Ford approved paint system.
Restore corrosion protection. Refer to: Corrosion Prevention .
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 .
2. As equipped. Refer to: Muffler and Tailpipe .
3. Refer to: Shock Absorber and Spring Assembly .
4. Refer to: Rear Bumper .

RENDER: 1.0x

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.