help with auto hubs
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New User
Joined: Oct 2003
Posts: 22
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help with auto hubs
I have a 2000 f350 psd 4x4 with auto hubs. when I switch to 4x4 it does not go in and after about 30 seconds or so the a/c switches from blowing out the dash to out the defrost and stays like that until i switch out of 4x4.the hole time never going into four wheel drive. can anyone tell me what is going on? thanks for your help in advance.
Senior User
Joined: Dec 2004
Posts: 172
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I know when the air changes from vents to defrost you have a vacuum leak somewhere. Don't know if your auto hubs are vacuumed controled or not but since it happens when you switch to 4x4 and corrects itself when you switch out it could be. It might give you a place to start. I have manual hubs so don't know much about the auto.
