No or Delayed Reverse Engagement

NO OR DELAYED REVERSE ENGAGEMENT
1. Improper fluid level.
2. Incorrectly adjusted or damaged manual linkage.
3. Low main control pressure in reverse.
4. Leaking high reverse clutch or reverse clutch stator support seal rings Nos. 1 and/or 2.
5. Burned or worn reverse clutch assembly.
6. Leaking reverse clutch piston check ball and/or piston seal rings.
7. Valve body bolts improperly torqued.
8. Valve body dirty or valves sticking.
9. Clogged transmission filter.
10. Damaged pump.