GM Service Manual Online
For 1990-2009 cars only

Front Lower Control Arm Bushing Replacement Front

Disassembly Procedure

Tools Required

    • J 21474-3 Lower Control Arm Bushing Screw
    • J 21474-4 Lower Control Arm Bushing Nut
    • J 21474-5 Control Arm Bushing Receiver
    • J 21474-6 Control Arm Bushing Receiver
    • J 39875 Half Moon Spacer
    • J 39876 Lower Control Arm Bushing Receiver
  1. Remove the lower control arm. Refer to Lower Control Arm Replacement .

  2. Object Number: 181079  Size: SH
  3. Perform the following procedure in order to remove the lower control arm front bushing from the lower control arm (1):
  4. 2.1. Place J 21474-3 through the large end of J 21474-6 .
    2.2. Thread J 21474-3 through the front bushing and push J 21474-3 through the open end of J 39876 .
    2.3. Place the thrust washer onto J 21474-3 with the seam facing toward the front bushing.
    2.4. Install J 39875 around the outside of the bushing in order to avoid metal distortion during removal.
    2.5. Ensure that all tools properly line up with the front bushing and the control arm (1), then install J 21474-4 and tighten until the bushing is pushed all the way out (the bushing makes a popping noise upon removal).

Assembly Procedure


    Object Number: 181080  Size: SH
  1. Perform the following steps in order to install the lower control arm front bushing:
  2. 1.1. Thread J 21474-3 through J 21474-5 .
    1.2. Install J 21474-3 through the new front bushing and into the lower control arm (2).
    1.3. Thread J 21474-3 and accessories into the front lower control arm.
    1.4. Install J 39876 onto J 21474-3 with the open end of J 39876 facing toward the control arm.
    1.5. Install J 39875 around the outside of the bushing in order to avoid metal distortion during installation.
    1.6. Place the thrust washer (1) onto the threaded end of J 21474-3 with the seam facing toward the control arm.
    1.7. Ensure that all tools properly line up with the front bushing and the control arm, then install J 21474-4 onto J 21474-3 .
    1.8. Tighten J 21474-4 and J 21474-3 until the bushing becomes flush with the control arm.
  3. Install the lower control arm. Refer to Lower Control Arm Replacement .

Front Lower Control Arm Bushing Replacement Rear

Disassembly Procedure

Tools Required

    • J 21474-3 Lower Control Arm Bushing Screw
    • J 21474-4 Lower Control Arm Bushing Nut
    • J 21474-5 Control Arm Bushing Receiver
    • J 39874 Lower Control Arm Bushing Receiver
    • J 39931 Lower Control Arm Bushing Receiver
  1. Remove the lower control arm. Refer to Lower Control Arm Replacement .

  2. Object Number: 181081  Size: SH
  3. Perform the following steps in order to remove the lower control arm rear bushing from the lower control arm (1):
  4. 2.1. Install J 39874 onto J 21474-3 with the sealed end of J 39874 facing the head of the screw.
    2.2. Run the J 21474-3 through the control arm bushing, the control arm and into the small end of J 39931 .
    2.3. Install the thrust washer onto J 21474-3 with the seam facing toward the control arm.
    2.4. Install J 21474-4 onto J 21474-3 and ensure that all parts are lined up with the control arm bushing.
    2.5. Tighten until you are able to remove the control arm bushing (the bushing may make a popping noise upon removal).

Assembly Procedure


    Object Number: 181082  Size: SH
  1. Perform the following steps in order to install the lower control arm rear bushing:
  2. 1.1. Secure the lower control arm (2) in a vise, then place J 21474-3 through the small end of J 39931 .
    1.2. Install J 21474-3 through the new rear bushing, then through the closed end of the rear lower control arm.
    1.3. Place the small end of J 21474-5 onto J 21474-3 .
    1.4. Install the thrust washer (1) onto J 21474-3 with the seam of the washer facing toward the control arm.
    1.5. Ensure that all the tools are lined up with the bushing and the control arm, and that the window is facing straight up and visible on J 39931 .
    1.6. Install J 21474-4 onto J 21474-3 and tighten until the rubber protrusion on the J 39931 side bottoms out against J 39931 .
  3. Install the lower control arm. Refer to Lower Control Arm Replacement .