GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 33381-A Final Drive Remover and Installer


    Object Number: 10683  Size: SH
  1. Be sure that the selective thrust washer (630) and the thrust bearing assembly (629) for the input clutch housing are in place.
  2. Use a small screwdriver in order to align the second clutch teeth so that they slide onto the second clutch hub of the input clutch housing assembly (632).

  3. Object Number: 10684  Size: SH
  4. Affix the second clutch housing assembly (617) onto the second clutch hub of the input clutch housing assembly (632).

  5. Object Number: 10544  Size: SH
  6. Adjust the collar on tool J 33381-A to the 4T60-E CLUTCH & DRUM setting. Make sure that the threaded rod is fully loosened.

  7. Object Number: 10545  Size: SH
  8. Install J 33381-A into the second clutch housing assembly (617).
  9. Tighten the threaded rod of J 33381-A until the rod is finger tight.
  10. Use J 33381-A in order to lift the second clutch housing (617) and the input clutch assembly (632). The sprag clutch assemblies will also be attached.
  11. Important: After you have installed the housing, confirm that the top of the second clutch is flush or slightly below the top of the reverse band assembly contact area.

  12. Install the housing (617) and the assembly (632) into the case. Be sure that the assembly is down all the way.