Join Date: Sep 2006
Location: Jarrettsville, MD
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I've only changed fuel filters once so far, but no problems here. You can hear the fuel pump running when you turn the key on. After I changed the filters and both cannisters were bone dry, I turned the key on and waited until the pump quit making noise. The truck fired right up and didn't miss a beat!
I am assuming that the filter housing on top of the engine has some sort of self bleeding valve on it. If that's not the case then it must force the air back through the return system to the tank.
Hopefully one of the techs has the full "correct" answer, but you shouldn't have any problems with air based on my limited experience.