No Drive In Drive Range

1. Low oil level (check for leaks)

2. Manual control linkage not adjusted properly.

3. Low oil pressure. Check for blocked strainer, defective pressure regulator, pump assembly or pump drive gear. See that tangs have not been damaged by converter.

4. Check control valve assembly to see if manual valve has been disconnected from manual lever pin.

5. Forward clutch may be stuck or damaged. Check pump feed circuits to forward clutch, including clutch drum ball check

6. Sprag or roller clutch assembled incorrectly.