GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1827240  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the rear wheel drive shaft spindle nit.
  3. Remove the trailing arm bracket to underbody bolts.
  4. Remove the toe link to knuckle nut and bolt.
  5. Remove the lower control arm to knuckle bolt and nut.

  6. Object Number: 1827247  Size: SH

    Important: Support the wheel drive shaft while it is disengaged from the wheel hub and bearing assembly in order to avoid damaging the wheel drive shaft seals.

  7. Loose the knuckle to upper control arm nut and bolt. Do not remove the nut and bolt.

  8. Object Number: 1827256  Size: SH
  9. Place a block of wood against the wheel drive shaft spindle and tap with a hammer to release the spindle from the wheel hub and bearing assembly.

  10. Object Number: 1827263  Size: SH
  11. Rotate the suspension knuckle upward and secure with heavy mechanics wire, or equivalent.
  12. Remove the wheel drive shaft from the rear drive module (RDM).

Installation Procedure


    Object Number: 1827270  Size: SH
  1. Install a new wheel drive shaft retaining ring to the inner tripot joint.
  2. Install the wheel drive shaft to the output shaft of the rear drive module (RDM). Ensure that the tripot joint is fully seated on the output shaft by grasping the tripot joint and attempting to pull free of the output shaft.

  3. Object Number: 1827271  Size: SH
  4. Rotate the suspension knuckle downward while simultaneously guiding the constant velocity (CV) joint spindle to the wheel hub and bearing assembly of the suspension knuckle.
  5. Hand install a new wheel drive shaft spindle nut.
  6. Notice: Refer to Fastener Notice in the Preface section.

  7. Install the lower control arm to knuckle bolt and nut.
  8. Tighten
    Tighten the lower control arm to knuckle bolt and nut to 160 N·m (118 lb ft).


    Object Number: 1827273  Size: SH
  9. Install the trailing arm bracket to underbody bolts.
  10. Tighten
    Tighten the trailing arm bracket to underbody bolts to 110 N·m (81 lb ft).

  11. Install the toe link to knuckle nut and bolt.
  12. Tighten
    Tighten the toe link to knuckle nut and bolt to 160 N·m (118 lb ft).

  13. Check the rear wheel alignment.