Ranger 4WD V6-4.0L (2009)
6. NOTE: When filling a dry transmission and converter, start with a minimum of 3.7L (4 qt).
With the engine running and the transmission at normal operating temperature 66-77°C (150-170°F), check and adjust the transmission fluid level
and check for any leaks. If transmission fluid is needed, add transmission fluid in increments of 0.24L (0.5 pt) until the correct level is achieved
(fluid should be in the cross-hatched area of the transmission fluid level indicator).
7. Apply the park brake and start the engine.
8. Move the selector lever through all the gears.
9. Check the transmission fluid level.