Rough, Harsh, or Delayed 1-2 Upshift

ROUGH, HARSH, OR DELAYED 1-2 UPSHIFT
1. Improper fluid level.
2. Poor engine performance.
3. Improperly adjusted kickdown linkage.
4. Improperly adjusted intermediate band.
5. Main control pressure too high.
6. Governor sticking.
7. Damaged intermediate servo.
8. Engine vacuum leak.
9. Valve body bolts loose or too tight.
10. Sticking or dirty valve body.
11. Vacuum leak to diaphragm unit.
12. Vacuum diaphragm bent, sticking, or leaking.