GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • KM-328-B Remover
    • KM-6623 Installer
    • KM-6624 Remover

For equivalent regional tools, refer to Special Tools.


    Object Number: 1946676  Size: SH

    Note: 

  1. Remove the encoder (1) from the crankshaft.
  2. Disconnect the crankshaft pulse pick-up (2) from the pulse pick-up bracket.
  3. Remove the bolt (1).
  4. Remove the plastic ring on the pulse pick-up bracket (3).

  5. Object Number: 1944403  Size: LH

    Note: 

       • Only make a hole at the 5 o'clock and 7 o'clock positions (1), as these are the only areas where there is a cavity behind the seal ring.
       • The diameter of the hole must not exceed 2 mm. If the diameter of the hole exceeds 2 mm, the bolt of KM-6624 remover will not be able to grip.

  6. Using a suitable tool, such as a scribe (2), make a hole in the seal ring.
  7. Position the scribe at the outer edge of the seal ring.

    Caution: Refer to Fastener Caution in the Preface section.

  8. Remove the seal ring.
  9. 6.1. Attach KM-6624 remover (1) to the seal ring and tighten the bolt.
    6.2. Attach KM-328-B remover  (2) to KM-6624 remover  (1).
    6.3. Using KM-328-B remover  (2) and KM-6624 remover  (1), tap the seal ring out.