F 350 2WD Super Duty V10-6.8L (2009)
Radius Arm: Service and Repair
Radius Arm - F-250, F-350
NOTE: LH shown, RH similar.
NOTICE: 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 spring. For additional information, refer to Spring - F-250, F-350 See: Suspension Spring ( Coil / Leaf )/Service and Repair/Front
Suspension.
2. Remove and discard the radius arm front nut and bolt.
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To install, tighten the new nut to 400 Nm (295 lb-ft).
3. NOTICE: 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.
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To install, tighten the new nut to 300 Nm (222 lb-ft).
4. Remove the radius arm.
5. To install, reverse the removal procedure.
