Question about Ford Expedition

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The heater air comes out the vents, and defroster only. it doesnt come out the floor under the dashboard

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Your heater directional swicthes work of vacum look under dash when set to floor see if you can hear a hissing sound if so the vacum line is unattached or broke they are usally small hard plastic.

Posted on Jan 04, 2011

  • sodas_cyn Jan 04, 2011

    i had it taken apart earlier and all the hoses looked good. so i tried to disconnect and reconnect some to listen for sounds and i couldnt tell a difference in anything. :(

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I have a 2011 Chevrolet Equinox LTZ and my question involves the heating/ AC unit. The air flow seems to be very strong through the Defroster but for the dash vents and the floor it seems to be much s


Defrost has been stronger on all types. Just the way plenums are made. Clear that wind shield first. As long as you have plenty of heat to keep the cabin area warm to hot, it's OK. I wouldn't woory about it.

Oct 05, 2014 | 2011 Chevrolet Equinox

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The defrost and the floor vent does not work in my 2005 Dodge Neon... It sounds like the air is blowing in the dashboard, but does not come out of the vents


If there is no vacuum to the mode door control motor theheater/A/C system will default to "Defrost" If there is no air coming out the vents or floor - check to see if you have air blowing out the defrost vents. If there is air coming out the defrost, then the most likely cause of your problem is a broken or disconnected vacuum line that feeds the mode control switch. On your vehicle, the vacuum supply line connects to the brake booster hose under the hood. there is a check-valve on the line between the firewall and the brake booster that can fail and leak vacuum. if there is no problem with the vacuum supply line under the hood, then the most likely cause is a bad mode control switch. (switch leaking vacuum)

If there is no air coming out the defrost vents, but you can hear the blower motor running, there is most likely a resriction of airflow etween the blower motor and the air outlet plenum. I have seen A/C evaporators completely cloggedup that will not pass any air. I have also seen paers and napkins that have gotten sucked out of the glovebox area and into the "Recirc" air inlet. Another thing I have seen several times is nests made by mice or other small rodents in the blower motor housing.

Dec 05, 2010 | Dodge Neon Cars & Trucks

1 Answer

The Heater selector won't change from defrost to any other settings like floor heat or straight from the dash . the switch on the dash moves but the heat only comes from the defrost vents in the dashboard


hello, sounds like the cable broke or, lots of newer veichels use air lines, any way possible, check and see if air lines are still hooked up to the back of the heater controls, should be 4or 5 air lines together, all hook on one place behind heater controlls

Feb 06, 2010 | 1993 Jeep Grand Cherokee

1 Answer

2005 ford explorer that has no heater control


the next thing to check would be the selector motors, these motors are what move door to get floor or defrost or vent air and also hot/cold air, look under the dash try to find them, there bolted to heater box,there are 3, locate one by one then move every control and watch to see linkage move find the one that doesnt move and thats your problem, hope this helps.heres a picture to help you know what it looks like.7d37251.gif

Jan 20, 2010 | 2005 Ford Explorer

1 Answer

A/C blows from defrost and floor vents, nothing from dash vents.


the switch where you turn it to blowing at your head is probably out. you will need to replace the switch control where your defrost, foot, head etc. what make, model, year is your vehicle?

Jul 09, 2009 | 1994 Toyota Camry

1 Answer

The air selector for the heater/air conditioner moves but the air only comes out of the defroster. I need to know how to remove the console to see if the connector is broken. Can anyone help?


under the dashboard just above the gas pedal is the actuator rod to divert airflow from defrost to floor and vents. This may have come detached. move the wire/rod until it can be re-attached on the diverter door and wire-tie it on.

Apr 21, 2009 | 2005 Jeep Wrangler

1 Answer

Air comes out of the defroster and floor vents but not the air co


under the hood on the firewall there is a square boxlike cover beside the maxifuse&relay. there is a vacucum hose there that controls the vent shutoff had same problem with my 93 bonneville sse when purchased, check to see it has no cracks or has pulled out of rubber connecter .

Mar 24, 2009 | 1997 Pontiac Bonneville

1 Answer

Air doesnt come out of the vents


the linkage that runs the blend door isn't working, these are the doors that control hot and cold and air flow to dash floor ect...they are located in the air box behind the dash ................ you may be able to pull the heater controls out of the dash and spot the problem but it's likely that the problem is in the air box itself and removal of the entire dash is required (big job!!!!!!!!!).........if your vehicle uses vacuum to control this (some gms use vaccum and some a cable)you might have a hose disconnected under the hood by the heater fan.........if it's a cable it may be knocked off at the dash controls or at the other end on the heater box..........sometimes removal of the glove box will give you acess to this connection.
just checked and 88 s-10 is a cable
hope this helps..........thanks fro choosing FIX YA!

Jan 04, 2009 | 1988 Chevrolet S-10

2 Answers

No dashboard heat output


The climate control was poorly designed on these cars.

There is only heat on the floor and defrost settings, due to the layout of the ductwork.

Oct 22, 2008 | 1989 Ford Festiva

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