GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 803178  Size: SH

    Notice: Use care when handling the coil springs in order to avoid chipping or scratching the coating. Damage to the coating will result in premature failure of the coil springs.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation.
  3. Remove the shock module from the vehicle. Refer to Shock Absorber and Spring Assembly Replacement.
  4. Install the shock module into the spring compressor.
  5. Mark the upper control arm assembly and insulator for proper installation.

  6. Object Number: 743241  Size: SH

    Important: The spring is compressed when the shock absorber moves freely.

  7. Tighten the spring compressor jackscrew (1) until the coil spring (2) is compressed.
  8. Remove the magnaride shock absorber sensor nut.

  9. Object Number: 803179  Size: SH
  10. Remove the shock absorber upper retaining nut.
  11. Remove the shock absorber from the shock module.
  12. Loosen the compressor jackscrew until the upper mounting plate and coil spring may be removed.
  13. Remove the upper control arm bracket assembly, insulator and coil spring from the spring compressor.

Installation Procedure


    Object Number: 743241  Size: SH

    Important: Ensure the alignment pins in the upper control arm bracket is oriented 90 degrees with the shock absorber lower mounting holes.

  1. Install the coil spring, insulator, upper control arm bracket assembly, and shock absorber to the spring compressor aligning all marks.
  2. Tighten the spring compressor jackscrew (1) until the coil spring is compressed.
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 803179  Size: SH
  4. Install the shock absorber retaining nut.
  5. Tighten
    Tighten the nuts to 25 N·m (18 lb ft).

  6. Install the magnaride sensor nut.
  7. Tighten
    Tighten the shock absorber MR nut to 20 N·m (15 lb ft).


    Object Number: 803178  Size: SH
  8. Remove the shock module from the spring compressor.
  9. Install the shock module to the vehicle. Refer to Shock Absorber and Spring Assembly Replacement.
  10. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  11. Lower the vehicle.