GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 Canyon Pickup - 4WD 🢒 Suspension 🢒 Suspension General Diagnosis 🢒 Leaf Spring Replacement

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. Disconnect the rear park brake cable. Refer to Parking Brake Rear Cable Replacement - Left Side or to Parking Brake Rear Cable Replacement - Right Side .
  4. Remove the absorber lower mounting nut and bolt. Refer to Shock Absorber Replacement .
  5. Remove the trailer hitch if equipped. Refer to Trailer Hitch Replacement .

    6. Object Number: 941629 Size: SH
  6. Remove the U-bolt nuts.
  7. Remove the anchor plate.
  8. Remove the U-bolts.

    9. Discard the U-bolts, nuts, and washers.


    Object Number: 941646 Size: SH
  9. Remove the rear spring hanger bracket nut and bolt.

    10. Object Number: 941641 Size: SH
  10. Remove the front spring bracket bolt.

    11. Object Number: 941584 Size: SH
  11. Remove the leaf spring assembly from the vehicle.

Installation Procedure

    Object Number: 941584 Size: SH
  1. Install the leaf spring assembly to the vehicle.

    2. Object Number: 941641 Size: SH
  2. Install the front spring hanger bracket bolt.
  3. Install the front spring hanger bracket nut.

    4. Object Number: 941646 Size: SH
  4. Install the rear spring hanger bracket bolt.
  5. Install the rear spring hanger bracket nut.

    6. Object Number: 941629 Size: SH

    Important: Do not reuse the U-bolts.

  6. Install the new U-bolts.
  7. Install the anchor plate.

    8. Notice: Refer to Fastener Notice in the Preface section.

  8. Install new U-bolt washers and nuts.

    9. Tighten
    Tighten the U-bolt nuts to 76 N·m (56 lb ft).

  9. Install the absorber lower mounting nut and bolt. Refer to Shock Absorber Replacement .
  10. Install the trailer hitch, if equipped. Refer to Trailer Hitch Replacement .
  11. Connect the rear park brake cable. Refer to Parking Brake Rear Cable Replacement - Left Side or to Parking Brake Rear Cable Replacement - Right Side .
  12. Remove the rear axle support.
  13. Lower the vehicle.
  14. With the vehicle weight on the tires and wheels, tighten the front hanger and rear shackle nut.

    15. Tighten

        • Tighten the front hanger bracket nut to 125 N·m (92 lb ft).
        • Tighten the rear shackle nut to 85 N·m (63 lb ft).