GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 42991 Strut Rod Nut Socket - 21 mm
    • J 45400 Strut Spring Compressor

Disassembly Procedure

  1. Remove the strut from the vehicle. Refer to Strut Assembly Replacement .

  2. Object Number: 743246  Size: SH
  3. Install the strut (2) in the J 45400  (1).
  4. Important: The spring is compressed when the strut moves freely.

  5. Turn the spring compressor forcing screw (1) until the coil spring (2) is compressed.
  6. Loosen the compressor forcing screw (1) until the upper strut mount and coil spring (2) may be removed.

  7. Object Number: 1079158  Size: SH
  8. Use a 45 TORX® socket in order to hold the strut shaft. Use the J 42991 to remove the upper strut mount nut

  9. Object Number: 743241  Size: SH
  10. Remove the upper strut mount and the coil spring from the J 45400 .
  11. Remove the strut from the J 45400 .

Assembly Procedure


    Object Number: 743241  Size: SH
  1. Install the coil spring and upper strut mount to the J 45400 .
  2. Turn the spring compressor forcing screw (1) until the coil spring is compressed.
  3. Install the strut to the coil spring and upper strut mount.
  4. Loosely install the strut retaining nut.
  5. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1079158  Size: SH
  6. Use a 45 TORX® socket in order to hold the strut shaft. Use theJ 42991 to Install the upper strut mount nut
  7. Tighten
    Tighten the strut mount nut to 47 N·m (34 lb ft).

  8. Remove the strut from the J 45400 .
  9. Install the strut to the vehicle. Refer to Strut Assembly Replacement .