No/Delayed Reverse Engagement (Forward Okay)

Manual linkage misadjusted. Low main control pressure in reverse. Reverse-high clutch assembly burned or worn. Reverse-high clutch assembly burned or worn. Reverse-high clutch piston check ball leaking or leaking piston seal rings. Valve body bolts too loose or tight. Valve body dirty or sticking valves. Transmission filter plugged. Pump damaged or leaking. Intermediate servo piston seal cut or leaking.