Slips When Shifting From P-R or N-R

1. Incorrect transaxle fluid level.
2. Incorrectly adjusted linkage.
3. Damaged or disconnected vacuum lines.
4. Abnormal hydraulic pressures.
5. Faulty vacuum diaphragm or rod.
6. Defective oil pump.
7. Faulty control valve.
8. Faulty low-reverse brake.
9. Faulty front clutch.