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Spring - F-450, F-550: Removal

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.
CAUTION: Suspension fasteners are critical components because they affect performance of vital components and systems and their failure can result in major service expense. Install new components with the same component number or an equivalent component if installation is necessary. Do not use an installation component of lesser quality or substitute design. Torque values must be used as specified during reassembly to make sure of correct retention of these components.
  1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING AND LIFTING article.
  2. Using a suitable jack, support the rear axle.
  3. Remove and discard the U-bolt nuts, then remove the spring plate.
  4. Remove and discard the U-bolts.
  5. Remove and discard the spring-to-front bracket bolt and flag nut.
  6. Remove and discard the shackle-to-rear bracket bolt and flag nut.
  7. Remove the rear spring assembly.
  8. Remove and discard the spring-to-shackle nut and bolt and remove the rear spring shackle.
  9. If necessary, remove the auxiliary spring.
    • Remove the auxiliary spring nut.
    • Remove the upper spring plate.
    • Remove the auxiliary spring.
    • Remove the auxiliary spring spacer.
    Fig 1: Identifying Auxiliary Spring Nut, Upper Spring Plate And Spring Spacer
    GF0006192Courtesy of FORD MOTOR CO.
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