Tool Required:

J 33381-A  Clutch Assembly Remover/Installer. See Special Tools .

Fig 1: View Of J 33381-A
Courtesy of GENERAL MOTORS CORP.
1. Adjust the collar on tool J 33381-A  to the 4T65-E CLUTCH & DRUM setting. See Special Tools . Make sure that the threaded rod is fully loosened.
Fig 2: Identifying J 33381-A & Input Clutch Housing Assembly
Courtesy of GENERAL MOTORS CORP.
2. Install J 33381-A  into the second clutch housing assembly (617). See Special Tools .
3. Tighten the threaded rod of J 33381-A  until the rod is finger tight. See Special Tools .
4. Lift up J 33381-A  with the second clutch housing (617) and the input clutch housing (632) attached. See Special Tools . The sprag clutch assemblies will also be attached.
5. Place the complete assembly on the bench.
6. Loosen the threaded rod of J 33381-A  . See Special Tools .
7. Remove J 33381-A  from the assembly. See Special Tools .
Fig 3: Identifying Second Clutch Housing & Input Clutch Components
Courtesy of GENERAL MOTORS CORP.
8. Lift the second clutch housing (617) off of the input clutch housing.
9. Remove the input clutch housing thrust bearing (629) from the input housing.
10. Remove the selective thrush washer (630) from the input clutch housing (632).