GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 44253 ABS Reluctor Installer

Caution: Refer to Brake Dust Caution in the Preface section.

Removal Procedure


    Object Number: 631238  Size: SH
  1. Remove the wheel speed sensor (2). Refer to Rear Wheel Bearing and Hub Replacement in Rear Suspension.

  2. Object Number: 631451  Size: SH

    Important: Do not reuse the wheel speed sensor reluctor after it has been removed.

  3. Remove and discard the wheel speed sensor reluctor (1).

Installation Procedure


    Object Number: 631241  Size: SH
  1. Apply Loctite® to the inner portion of the wheel speed sensor reluctor (2).
  2. Insert the wheel speed sensor reluctor (2) onto the hub assembly.
  3. Install the ring (1) of the J 44253 onto the wheel speed sensor reluctor.

  4. Object Number: 631242  Size: SH
  5. Insert the J 44253  (1).
  6. Important: Turn the J 44253 until it just touches the ring of the J 44253 .

  7. Turn the J 44253  (1) to thread the wheel speed sensor reluctor.
  8. Install the wheel speed sensor. Refer to Rear Wheel Bearing and Hub Replacement in Rear Suspension.