Difference between Bi-Level and Vent (?)
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From: Ohio
Difference between Bi-Level and Vent (?)
2005 XLT, 4WD, V8, MANUAL A/C...
I do not detect ANY difference between air flow (anywhere) when switching between the "bi-level" setting and the "vent" setting....even on the highest fan setting.
Is this normal? I woulda assumed that the bi-level would shut off the center dash vents and re-direct THAT air to the floor, while leaving the side vents flowing.....that's what my 250SD did anyway...
Stealer says it's normal.....maybe... but.........
I know I can always manually shut the center vents at will, but seems kind of silly to have the two position settings and not have them do anything different between them.
Mine has the auxillary cooling package, though I can't imagine that has any impact on the front air controls/vents.
Any input??
I do not detect ANY difference between air flow (anywhere) when switching between the "bi-level" setting and the "vent" setting....even on the highest fan setting.
Is this normal? I woulda assumed that the bi-level would shut off the center dash vents and re-direct THAT air to the floor, while leaving the side vents flowing.....that's what my 250SD did anyway...
Stealer says it's normal.....maybe... but.........
I know I can always manually shut the center vents at will, but seems kind of silly to have the two position settings and not have them do anything different between them.
Mine has the auxillary cooling package, though I can't imagine that has any impact on the front air controls/vents.
Any input??
Last edited by Kraut; Nov 23, 2005 at 03:03 PM.
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Joined: May 2002
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From: Phoenix
Is the bi-level same as AC high on your truck? AC high recirculates the internal cabin air. Can you hear a change in th system when you hit the switch? If not, you might have a vcacuum door actuation problem - door that regulates inside/outside air.
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Joined: Jan 2004
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Max setting just opens a door to recirculate the cabin air, the fan sounds louder. Sounds like a vent vacuum hose popped off. Check your manual, it will show what each setting does. I think bi-level should be dash and feet.
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