Sierra, Silverado 2006-2007

Leaf Springs


Removal & Installation

  1. Before servicing the vehicle, refer to the Precautions section.
  3. Raise and support the vehicle.
  5. Support the rear axle independently in order to relieve the tension on the leaf springs.
  7. Remove or disconnect the following:

    Real Time Damping (RTD) sensors, if equipped
    Trailer hitch if equipped
    Fuel tank for left side applications
    U-bolt nuts and U-bolts
    Spring spacer and anchor plate
    Shackle to the frame bracket nut and the bolt
    Front spring bracket bolt
    Leaf spring assembly from the vehicle
    Shackle from the spring

    Click image to see an enlarged view

    Fig. Rear leaf spring front shackle

    Click image to see an enlarged view

    Fig. Rear leaf spring rear shackle



To install:

  1. Loosely assemble the spring shackle bracket to the frame. Install the shackle bolt. Install the shackle nut.
  3. Install the leaf spring assembly to the vehicle.
  5. Loosely assemble the spring to the front hanger bracket.
  7. Install or connect the following:
    Do not reuse the U-bolts.

    Front spring hanger bracket bolt
    Front spring hanger bracket nut
    Shackle to the spring bolt
    Shackle to the spring nut

    Spring spacer
    Anchor plate
    U-bolt nuts

  9. Tighten in a crisscross pattern to:
    1. 2005-06 and 2007 Classic models

      1500 series: 53 ft. lbs. (72 Nm)
      1500 series w/rear steering: 110 ft. lbs. (150 Nm)
      2500 and 3500 series: 110 ft. lbs. (150