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Leaf Spring (Single Wheel Spring Assembly): Installation

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  1. Install the spring assembly to the vehicle. See Figure .
  2. Install the bolt, the washers, and the nut to the spring to front bracket. Do not tighten at this time.
  3. Install the shackle (3), the shackle to rear bracket bolt, the washer, and the nut. Do not tighten at this time.
  4. Install the spacer (8).
  5. Install the NEW U-bolts (1 and 4) to the top of the spring.
  6. Install the anchor plate (7).
  7. Install the washers (5).
  8. Install the nuts (6).
  9. Tighten the U-bolt nuts in the sequence shown. See Fig 1 . Then tighten the nuts. See TORQUE SPECIFICATIONS 
  10. Adjust the spring height between the top surface of the axle jounce pad and the bottom surface of the frame jounce bracket.
  11. Tighten the leaf spring to bracket nuts, the leaf spring to shackle nut, and the shackle to bracket nuts. See TORQUE SPECIFICATIONS  .
  12. Lower the vehicle.
Fig 1: Identifying U-Bolt Tightening Sequence
G00138033Courtesy of GENERAL MOTORS CORP.