GM Service Manual Online
For 1990-2009 cars only

Leaf Spring Replacement 2500

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Support the rear axle independently in order to relieve the tension on the leaf springs.
  3. Remove the trailer hitch, if equipped. Refer to Trailer Hitch Replacement.
  4. Remove the fuel tank. Refer to Fuel Tank Replacement.

  5. Object Number: 348393  Size: SH
  6. Remove the U-bolt nuts.
  7. Remove the U-bolts.
  8. Remove the spring spacer.
  9. Remove the anchor plate.

  10. Object Number: 361791  Size: SH
  11. Remove the rear spring bracket nut and bolt.

  12. Object Number: 361767  Size: SH
  13. Remove the front spring bracket nut and bolt.
  14. Remove the leaf spring assembly from the vehicle.
  15. Note: The following step is for replacement the shackle only. The shackle does not have to be replaced if removing the rear leaf to service other chassis items.

  16. Remove the rear leaf spring shackle, if needed. Refer to Spring Shackle Replacement.

Installation Procedure


    Object Number: 361767  Size: SH
  1. Install the leaf spring assembly to the vehicle.
  2. Install the front bolt and nuts but do not tighten.
  3. Install the rear leaf spring hanger to shackle nut and bolt.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the rear leaf spring front nut and tighten to 170 N·m (125 lb ft) plus 48 degrees.
  6. Tighten the rear leaf spring hanger nut and bolt to 95 N·m (70 lb ft).

  7. Object Number: 348393  Size: SH

    Note: Do not reuse the U-bolts.

  8. Install the spring spacer.
  9. Install the U-bolts.
  10. Install the anchor plate.
  11. Install the U-bolt nuts.
  12. Tighten the U-bolt nuts to 100 N·m (74 lb ft).

  13. Install the fuel tank. Refer to Fuel Tank Replacement.
  14. Install the trailer hitch, if equipped. Refer to Trailer Hitch Replacement.
  15. Remove the rear axle support.
  16. Remove the safety stands.
  17. Lower the vehicle.