GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1969259  Size: SH
  1. Remove the rear trailing arm mounting bolt (1) from the knuckle.
  2. Support the front of the rear suspension support.
  3. Note: Lower the rear suspension support enough to gain access to the front trailing arm mounting bole and nut.

  4. Remove the front mounting bolts for the rear suspension support. Refer to Rear Frame Replacement.

  5. Object Number: 1969279  Size: SH
  6. Remove the front mounting nut (2) and bolt (1) for the trailing arm.

Installation Procedure


    Object Number: 1969296  Size: SH
  1. Install the trailing arm in the following manner:
  2. 1.1. Position the trailing arm in the mounting bracket.
    1.2. Position trailing arm on the knuckle.
  3. Install the trailing arm bolt (1).
  4. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1969279  Size: SH
  5. Install the front trailing arm nut (2).
  6. Tighten
    Tighten the front trailing arm nut (2) to 150 N·m (111 lb ft).

  7. Install the front mounting bolts for the rear suspension support. Refer to Rear Frame Replacement.

  8. Object Number: 1969259  Size: SH
  9. Install the rear trailing arm mounting bolt (1).
  10. Tighten
    Tighten the trailing arm bolt (1)  to 170 N·m (125 lb ft).

  11. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation.
  12. Remove the support from the vehicle.
  13. Lower the vehicle.
  14. Check the alignment of the rear suspension. Refer to Wheel Alignment Specifications.