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Harsh or Delayed 2-3 Upshift
HARSH OR DELAYED 2-3 UPSHIFT Mushy, Early, or Soft 2-3 Upshift1. Poor engine performance.
2. Engine vacuum leak.
3. Kickdown system damaged.
4. Damaged or worn intermediate servo release and reverse/high clutch piston check ball.
5. Valve body bolts loose or too tight.
6. Sticking or dirty valve body.
7. Vacuum diaphragm bent, sticking, or leaking.
8. Throttle valve sticking.