FixVault
Home › Chevrolet › 1998 › Forward Control P12 › Repair and Diagnosis › Suspension › Rear Suspension › Removal & Installation › Leaf Spring › Installation

Leaf Spring: Installation

  1. Install the leaf spring to the rear axle. Install the taper leaf spring with the tapered end forward.
  2. Install the following components:
    • The spacer.
    • The top anchor.
    • The auxiliary spring (if equipped).
    • The anchor plate.
    • The U-bolts.
    • The washers.
    • The nuts. Tighten the nuts initially, in the sequence shown to 18 ft lbs. (25 N.m). See Fig 1 and Fig 2 . Perform the final torque in the sequence shown to 192 ft lbs. (260 N.m).
  3. Install the shackle to the leaf spring.
  4. Install the following components:
    • The bolt. Ensure that the bolt is positioned correctly.
    • The washer.
    • The nuts. Do not tighten.
  5. Install the leaf spring to the front hanger.
  6. Install the following components:
    • The bolt.
    • The washer.
    • The nuts. Do not tighten.
  7. Install the leaf spring to the rear hanger.
  8. Install the following components:
    • The bolt.
    • The washer.
    • The nuts. Tighten the shackle and the hanger nuts to 100 ft lbs. (135 N.m).
  9. Install the stabilizer shaft to the vehicle (if equipped).
  10. Lower the support on the rear axle. Lower the vehicle.
Fig 1: Identifying U-Bolt Tightening Sequence (8,400 Or 10,000 GWR)
G00132808Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying U-Bolt Tightening Sequence (P3 Commercial Models)
G00156285Courtesy of GENERAL MOTORS CORP.
About FixVault