Radius Arm - F-450, F-550

WARNING: This page is about a different car, the 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: LH shown, RH similar.

Fig 1: Radius Arm -- F-450, F-550 Replacement Components With Torque Specifications

Courtesy of FORD MOTOR CO.

CAUTION: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure can result in major service expense. They must be replaced with the same part number or an equivalent part if replacement is necessary. Do not use a replacement part of lesser quality or substitute design. Torque values must be used as specified during reassembly to make sure of correct retention of these parts.

Remove the shock absorber. For additional information, refer to SHOCK ABSORBER - F-450, F-550 .

CAUTION: Tighten the radius arm front nuts with the suspension at curb height.

Remove and discard the 2 radius arm front nuts and bolts.
- To install, tighten to 300 Nm (222 lb-ft).

CAUTION: Tighten the radius arm rear nut with the suspension at curb height.

Remove and discard the radius arm rear nut and bolt.
- To install, tighten to 300 Nm (222 lb-ft).
Remove the radius arm.
To install, reverse the removal procedure.