GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: 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. Object Number: 803178  Size: SH
  5. Install the shock module into the spring compressor.
  6. Mark the upper control arm assembly and insulator for proper installation.

  7. Object Number: 743241  Size: SH

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

  8. Turn the spring compressor forcing screw (1) until the coil spring (2) is compressed.

  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 forcing screw 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

    Note: Ensure the alignment pins in the upper control arm bracket is orientated 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. Turn the spring compressor forcing screw (1) until the coil spring is compressed.
  3. Caution: Refer to Fastener Caution in the Preface section.


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

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