GM Service Manual Online
For 1990-2009 cars only

Leaf Springs Replacement I-Beam

Removal Procedure

  1. Raise the vehicle. Support the vehicle with suitable safety stands. Support the axle separately in order to eliminate any load on the springs.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

  3. Object Number: 175306  Size: SH
  4. Remove the nut and the washer.
  5. Remove the shock absorber from the axle.

  6. Object Number: 175312  Size: SH
  7. Remove the spacer (8) and the spring spacer (9).
  8. Remove the leaf spring (6) from the axle (12).
  9. Remove the following components:
  10. • The nut (5)
    • The washers (2)
    • The bolt (1)
  11. In order to separate the spring from the rear shackle.
  12. Remove the following components:
  13. • The nut (13)
    • The washers (14)
    • The bolts (16)
  14. In order to separate the spring from the front hanger (15). Pull the leaf spring backward and out.
  15. Remove the leaf spring (6) from the frame.

Installation Procedure


    Object Number: 175312  Size: SH
  1. Install the leaf spring (6) to the frame.
  2. • Line up the spring with the rear shackle (3) and the spring hanger (4).
    • The double wrap end is toward the front of the vehicle.
  3. Install the following components:
  4. • The washers (14)
    • The bolt (16)
    • The nut (13)
  5. Attach the spring to the front hanger (15).
  6. 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.

  7. Install the following components:
  8. • The washers (2)
    • The bolt (1)
    • The nut (5)
  9. Attache the spring (6) to the rear shackle (3).
  10. Tighten
    Tighten the nuts to 113 N·m (83 lb ft).

  11. Install the leaf spring (6) to the axle (12).
  12. • Position the spring spacer (9) onto the axle (12).
    • Either aligning pin can contact the edge of the leaf spring after the assembly is complete.
  13. Install the following components:
  14. • The spacer (8)
    • The U-bolts (7)
    • The washer (10)
    • The nuts (11)

    Tighten

        • Tighten the nuts to 25 N·m (18 lb ft) in a diagonal sequence (Example: 1-3-4-2).
        • Tighten the nuts to 109 N·m (80 lb ft) in a diagonal sequence (Example: 1-3-4-2).

    Object Number: 175306  Size: SH
  15. Install the shock absorber to the axle.
  16. Install the washer and the nut.
  17. Tighten
    Tighten the nut to 45 N·m (33 lb ft).

  18. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  19. Lower the vehicle.
  20. Check the front wheel alignment and reset as required. Refer to Wheel Alignment Specifications in Wheel Alignment.