Excessive Shift Shock When Upshifting or Downshifting

1. Defective vacuum diaphragm and rod.
2. Defective control valve body.
3. Defective accumulator.
4. Defective 4th gear band servo.
5. Defective 2nd gear band servo.
6. Defective 4th gear band servo.
7. Defective 2nd gear band servo.