Frame: Description and Operation

2012 Ford Expedition 2WD V8-5.4LSECTION Description and Operation


Full Frame and Body Mounting

The frame is made up of 2 steel boxed side rails and crossmembers, which are welded to the 2 side rails. The transmission crossmember is bolted to the side rails. The side welded rails and crossmembers are not replaced separately.

The service kits available for the frame are the following:
- RH front horn replacement kit
- LH front horn replacement kit
- Front bumper bracket replacement kit
- IB crossmember replacement kit
- Transmission crossmember replacement kit
- Exhaust hanger bracket kit

Refer to the instructions included in the kits for installation instructions. For any frame repair, refer to Dimensions.

Frame Mounted Heat Shields
All frame-mounted heat shields, except the spare tire heat shield and the upper control arm heat shield, are tightened to 20 Nm (177 lb-in). The spare tire heat shield is tightened to 25 Nm (18 lb-ft). The upper control arm heat shield is tightened to 15 Nm (133 lb-in).

Frame Components







Spare Tire Winch







Skid Plates







NOTICE: When removing upper body mounts, enough adjacent body mount support bolts or nuts must be removed to prevent damage occurring to the vehicle.

NOTE:
- Do not reuse body support mounting fasteners. New fasteners must be installed for each fastener that has been removed or loosened.
- No lubricants of any kind are to be used during body mount installation.


Body Support - Front End Sheet Metal (FESM)







Body Support - No. 1







Body Support - No. 2 and No. 3

NOTE: No. 2 body mount shown, No. 3 body mount similar.







Body Support - No. 4





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.