Transmission Overheats
1. Stuck switch valve.
2. High idle speed.
3. Low hydraulic pressure.
4. Low fluid level.
5. Incorrect gearshift adjustment.
6. Faulty oil pump.
7. Kickdown band adjustment too tight.
8. Faulty cooling system.
9. Insufficient clutch plate clearance.
10. Overrunning clutch worn, broken or seized.
11. Planetary gear sets broken or seized.
12. Rear clutch dragging.
13. High hydraulic pressure.
14. Worn or faulty front clutch.
15. Low-reverse servo, band, or linkage malfunction.
16. Defective or leaking valve body.