F 450 4WD Super Duty V8-6.4L DSL Turbo (2008)
9. Disconnect the crankcase vent oil separator tube from the crankcase vent oil separator.
10. Remove the bolts and the crankcase vent oil separator.
^
Remove and discard the press-in-place gasket.
11. Disconnect the heater hose from the heater supply tube.