Radius Arm - F-250, F-350
WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
LH shown, RH similar.
| Item | Part Number | Description |
|---|---|---|
| 1 | 34992 | Radius arm front nut |
| 2 | 389574 | Radius arm front bolt |
| 3 | N807659 | Radius arm rear nut |
| 4 | N806967 | Radius arm rear bolt |
| 5 | 3B346 LH/3405 RH | Radius arm |
NOTE:
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 spring. For additional information, refer to SPRING - F-250, F-350 .
- Remove and discard the radius arm front nut and bolt.
- To install, tighten the new nut to 400 Nm (295 lb-ft).
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NOTE: Tighten the radius arm rear nut with the suspension at curb height or damage to the bushing may occur.
Remove and discard the radius arm rear nut and bolt.
- To install, tighten the new nut to 300 Nm (222 lb-ft).
- Remove the radius arm.
- To install, reverse the removal procedure.