No Reverse or Slips In Reverse
1. Forward clutch will not release.
2. Manual linkage improperly adjusted.
3. Pump assembly reverse boost plug sticking.
4. Valve body gaskets or saucer plate improperly positioned.
5. Low reverse clutch piston seals cut or damaged.
6. Low reverse clutch apply passages restricted or missing.
7. Low reverse clutch plates burned.
8. Low reverse clutch cover plate loose or cover plate gasket damaged.
9. Reverse input clutch plates burned.
10. Reverse input clutch piston seals cut or damaged.
11. Reverse input clutch apply passage restricted or missing.
12. Reverse input clutch housing exhaust ball and capsule, damaged.