Harsh 3-4 Upshift

HARSH 3-4 UPSHIFT
1. Improper band/clutch application pressure.
2. Main control assembly gaskets damaged or bolt out of torque.
3. Main control separator plate damaged.
4. Main control solenoid stuck or damaged.
5. Overdrive band adjustment incorrect.
6. Overdrive band friction elements burnt or missing
7. Overdrive band cylinder damaged.