GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 45400 Spring Compressor
    • KM-329-A Spring Compressor

Removal Procedure


    Object Number: 1290672  Size: SH
  1. Remove the strut assembly. Refer to Strut Assembly Replacement.
  2. Fasten the strut assembly to the KM-329-A or J 45400 . Ensure the hooks are seated on the strut spring properly.
  3. Compress the front spring with the spring compressor.

  4. Object Number: 1290673  Size: SH
  5. Use an open end wrench to hold the threaded piston rod while removing the piston rod nut and the washer with a commercially available double ring spanner, sharply offset.

  6. Object Number: 1290674  Size: SH

    Note: Record the position of the front spring locator relative to the strut assembly-to-knuckle bracket. Place the front spring locator back in the same position during assembly.

  7. Remove the upper strut mount, the mount bearing, the upper spring seat, the upper ring insulator, and the hollow bumper.
  8. Release the spring.
  9. Remove the spring and the lower ring insulator.

Installation Procedure


    Object Number: 1290674  Size: SH
  1. Install the lower ring insulator and the spring.
  2. Compress the spring using the J 45400 or KM-329-A .
  3. Install the hollow bumper, the upper ring insulator, the front spring locator, the upper spring seat, the upper strut mount, and the mount bearing. Be sure the upper spring seat is clipped to the front spring locator.
  4. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1290673  Size: SH
  5. Install the piston rod nut and tighten to 75 N·m (55 lb ft).
  6. Release the KM-329-A .