GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 45400 (DW320-010) Suspension Compressor

Disassembly Procedure


    Object Number: 1255645  Size: SH
  1. Remove the strut assembly. Refer to Strut Assembly Replacement .
  2. Fasten the strut assembly to the J 45400  (1).
  3. Compress the front spring with the J 45400 .

  4. Object Number: 1265577  Size: SH
  5. Using an open end wrench (1) and the J 45400  (2) hold the threaded piston rod while removing the piston rod nut and washer with a commercially available double ring spanner, sharply offset.

  6. Object Number: 1265578  Size: MH

    Important: 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 following components:
  8. • Upper strut mount
    • Mount bearing
    • Upper spring seat
    • Upper spring insulator
    • Washer
    • Hollow bumper
    • Coil Spring
    • Lower spring insulator

Assembly Procedure


    Object Number: 1265578  Size: MH
  1. Install the following components:
  2. • Upper strut mount
    • Mount bearing
    • Upper spring seat
    • Upper spring insulator
    • Washer
    • Hollow bumper
    • Coil Spring
    • Lower spring insulator

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1265577  Size: SH
  3. Using an open end wrench (1) and the J 45400  (2), install the piston rod nut and washer.
  4. Tighten
    Tighten the piston rod nut and washer to 80 N·m (59 lb ft).


    Object Number: 1265576  Size: SH
  5. Using an open end wrench (1) and the J 45400  (2) ,compress the front spring.
  6. Install the strut assembly.