Slipping or Rough 2-3 Shift

1. 2-3 shift valve train sticking.
2. Accumulator valve sticking.
3. Valve body gasket or spacer plate improperly positioned.
4. Throttle valve sticking.
5. Throttle valve (TV) limit valve sticking.
6. 3-4 clutch plates burned or excessive clutch plate travel.
7. 3-4 piston seals, cut or damaged.
8. 3-4 piston porosity.
9. 3-4 piston exhaust ball open.
10. Apply passages restricted.
11. 3-4 clutch check ball capsule, damaged or improperly assembled.