GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1997 🢒 GMC P52 RV/Van Chassis 🢒 Suspension 🢒 Rear Suspension 🢒 Spring Assembly Replacement (RWD)

Removal Procedure

    Object Number: 26515 Size: SH
  1. Set the parking brake.
  2. Block the front wheels.
  3. Raise the rear of the vehicle. Support the frame and the axle independently with suitable jack stands.
  4. Remove the shock absorber. Refer to Shock Absorber Replacement .
  5. Remove the jam nuts, the U-bolt nuts, the washers, and the mounting plate.

    6. The spring spacer may or may not come out when the spring is removed from the vehicle.


    Object Number: 26514 Size: SH
  6. Loosen the nut so that the shackle can pivot.

    7. Object Number: 26512 Size: SH
  7. Remove the nut, the washers, the front eyebolt and the front of the spring from the hanger.

    8. Object Number: 26511 Size: SH
  8. Remove the nut, the washers, the rear eyebolt, and the rear spring from the shackle.

    9. Object Number: 26509 Size: SH
  9. Remove the nut, the washers, the shackle bolt and the shackle from the rear hanger if you are replacing the shackle.
  10. Inspect the bushings in each end of the spring.
  11. Replace the bushings if they are loose, cracked, or show evidence of dry rot. Refer to Spring Bushing Replacement (RWD) .

Installation Procedure

    Object Number: 26509 Size: SH
  1. Install the shackle to the rear hanger with the shackle bolt, the washers and the nut, if removed. Do not tighten the shackle nut.

    2. Object Number: 26511 Size: SH
  2. Install the rear spring to the shackle with the rear eyebolt, the washers, and the nut.

    3. Object Number: 26512 Size: SH
  3. Install the rear spring to the front hanger with the front eyebolt, the washers, and the nut.

    4. Object Number: 26515 Size: SH
  4. Install the rear spring to the axle with the mounting plate, the washers, and the U-bolt nuts.

    5. The spring spacer must be in the correct position.

  5. Install the shock absorber. Refer to Shock Absorber Replacement .

    6. Tighten
    Tighten the shackle nut and the front and rear eyebolt nut to 456 N·m (336 lb ft).

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    Tighten
    Tighten the U-bolt nuts to 326 N·m (240 lb ft).