F 350 2WD Super Duty V8-5.4L VIN 5 (2006)
5. Lower the front axle until the spring is free of the spring upper seat.
6. Using an extension through the top of the spring, remove the spring lower nut.
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To install, tighten to 133 Nm (98 ft. lbs.).
7. Remove the spring lower retainer and the spring.
8. NOTE: Inspect the spring upper and lower seats, install new as necessary.
To install, reverse the removal procedure.