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Home >> Ford >> 2000 >> Mustang Base, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1726 (Front Suspension - Rear Wheel Drive (RWD) -- F250-F550 Super Duty) >> Removal And Installation >> Radius Arm - F-450, F-550

Radius Arm - F-450, F-550

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 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: Identifying Radius Arm With Specifications - F-450, F-550
GF0006132Courtesy of FORD MOTOR CO.
Item Part Number Description
1 W505273 Wheel speed sensor harness bolt
2 N807659 Radius arm front nut (2 required)
3 W709860 Radius arm front bolt (2 required)
4 N807695 Radius arm rear nut
5 N806967 Radius arm rear bolt
6 3B346 LH/ 3405 RH Radius arm
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.
  1. Remove the shock absorber. For additional information, refer to Shock Absorber - F-450, F-550  in this article.
  2. CAUTION: Tighten the radius arm front nuts with the suspension at curb height.
  3. Remove and discard the 2 radius arm front nuts and bolts.
    • To install, tighten to 300 Nm (222 lb-ft).
  4. CAUTION: Tighten the radius arm rear nut with the suspension at curb height.
  5. Remove and discard the radius arm rear nut and bolt.
    • To install, tighten to 300 Nm (222 lb-ft).
  6. Remove the radius arm.
  7. To install, reverse the removal procedure.