No/Delayed Reverse Engagement

1. Incorrect fluid level.
2. Incorrectly adjusted manual linkage.
3. Low main control pressure in reverse.
4. Damaged reverse clutch assembly.
5. Loose valve body bolts.
6. Sticking or dirty valve body valves.
7. Damaged pump.
8. Leaking reverse servo piston seal.
9. Transmission filter plugged.