GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 43767 Tone Wheel Staker
    • J 43768 Tone Wheel Driver

For equivalent regional tools, refer to Special Tools.

Removal Procedure


    Object Number: 1217087  Size: SH
  1. Grind the stakes from the 1-2-3-4, 4-5-6 clutch housing (1).

  2. Object Number: 1217088  Size: SH
  3. Position the 1-2-3-4, 4-5-6 clutch housing (2) on a press so that the front of the housing is down.
  4. Install J 43768 driver  (1) onto the tone wheel (3).
  5. Using J 43768 driver  (1), press the tone wheel (3) from the 1-2-3-4, 4-5-6 clutch housing (2).

Installation Procedure


    Object Number: 1217089  Size: SH
  1. Position the 1-2-3-4, 4-5-6 clutch housing (3) on a press so that the front of the housing is facing up.
  2. Align the tone wheel (2) so that the outside edge is facing up.
  3. Install the tone wheel (2) onto the 1-2-3-4, 4-5-6 clutch housing.
  4. Install J 43768 driver  (1) onto the tone wheel.
  5. Using J 43768 driver  (1), press the tone wheel onto the 1-2-3-4, 4-5-6 clutch housing.

  6. Object Number: 1217090  Size: SH
  7. Locate 4 positions on the 1-2-3-4, 4-5-6 clutch housing (3), 90 degrees apart from each other, that have not been previously staked.
  8. Install J 43767 staker onto the 1-2-3-4, 4-5-6 clutch housing with the 2 staking prongs at 2 of the 4 staking positions.
  9. Install J 43768 driver  (1) onto J 43767 staker  (2).
  10. Caution: Stake the tone wheel to 9 tons. The accuracy of the pressure gauges on presses varies. Start at a lower pressure and increase to 9 tons. Too great a pressure will distort the tone wheel. Too little pressure will result in stakes that will not hold.

  11. Stake the tone wheel to the 1-2-3-4, 4-5-6 clutch housing.
  12. Note: If necessary, tap J 43768 driver and J 43767 staker to remove the tools from the 1-2-3-4, 4-5-6 clutch housing.

  13. Remove the J tools and repeat steps 7-9 at the remaining 2 staking positions.
  14. Remove the J tools.