F 550 2WD Super Duty V8-6.4L DSL Turbo (2008)
4. 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 (transmission fluid should be in the cross-hatched area of the fluid level indicator).