Ford - Explorer :: 2006 - Heater Controls / Air Does Not Blow Through Some Of The Vents
Jan 5, 2015
To kick off the coldest week (so far) of the winter season, I noticed a problem with the heater controls in my 06 Explorer with manual temp. controls. No matter which fan settings I select (defrost, panel+floor, etc), air does not blow through some of the vents. I can hear the fan working and air flows through the defrost vents and through the floor vents, but the there is no airflow through the vents below radio and round vents on the far left and far right sides of the dashboard.
Perhaps related to this problem, a couple months ago I replaced the blower motor resistor because fan speeds 1 and 2 did not work, only 3 and 4 worked, so whenever I would turn on the heat or A/C, it was on full blast all the time. After replacing the resistor, the issue was resolved and all of the speeds worked well. I guess I just never realized the issue with the vents, or maybe the problem happened because I replaced the resistor?
Since I'm not too knowledgeable with the climate control circuit, I'm not too sure where to begin, perhaps the switch or blower motor?
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Push A/C button is always on green. The (air speed) 01234 button is also always on green. the Push button turns on and off orange whenever I click it.
Anyways, the AC doesn't blow any hot air... always just cold. I've adjusted the dial to red and have left it there for a long time... no hot air. Any trouble shooting I can do?
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Coming home from work tonight, Radio turned down, Air off/Heat off. Whats the sound coming from the dash around the radio/heater controls/ vents? Can't really explain the noise, but its like a boiling/clicking/scratching noise.
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My defrost & front vents work fine. My back vents that are in the back of the console switch from hot to cold like it suppose to, but they do not blow out enough to feel it in the back seat or third row seat.
Also when I use the heat the front flat part of the console by the drink holders especially gets red hot to the point it can melt plastic ink pen or anything else you lay there. which concerns me since I have a 9 yr old.
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Cannot figure out how to get the heated air to flow through the back via the rear vents. All I get is outside air. I cannot find anything about it in the manual. The dealer has no clue but is trying to find something on it. New 2009 Santa Fe Limited.
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My wife's '02 Explorer has developed an issue with the heat/AC. As far as I can tell, the heat is hot when it's supposed to be hot, and the AC is cold when it's supposed to be cold. But, the problem is that everything only blows out through the defrost vents, no matter what setting it is on.
I know there are other threads on this type of subject, and I have read a lot of them. I thought I had identified that actuator gizmo as the culprit, but the more I read, it didn't seem like the symptoms for that issue are exactly like mine. I want to try and fix it myself, and I'd love to take the time to read everything on the subject, but warmer weather is here and my wife wants it fixed yesterday!
This problem reminds me of the time the vacuum pump went out on my F-350 and the defrost vents were all that would work. I wish this problem would be as easy to fix as that was.
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So today is the first hot day of the year here in Central PA. I jump in my car at lunch - turn on the A/C & it won't blow out of the top vents. Blowing like crazy on my feet - and freezing them - but won't blow through the dash vents! Worked fine last year - awesome in fact!! Actually cool air is trickling through the top vents - but not blowing like I know it should.
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I have a 2006 F-250 Super Cab with climate control. The last three years when the temp exceeds about 85 degrees outside it acts up. It will switch from the AC vents to defrost and blow normal air through, not ac cold. Then it will switch back, when doing so I can hear the internal deflector shudder. It will do this every few minutes. It is extremely annoying. All other times of the year it works fine. My local dealer had the truck last year, but could not find anything wrong. I have used the search and also Googled and while I find similar problems nothing exactly the same.
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I have a 2006 f250 and the heater will blow cold air unless you are driving in like highway conditions. If you stop or drive slow it blows cold air only. What is causing this???
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I was driving home on the highway, and my 2006 Elantra did the following things in this exact order:
-Heater started to blow out ice cold air
-Temperature gauge rose, dropped down, and then rose right back up to the red area and stayed
-As I was slowing down to pull over, my tachometer dropped to 0rpm
-My "Check Engine" and "Battery" lights came on
-The car completely died and came to a rolling stop on the shoulder
I am trying to find answers as to what has happened to my car.
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I have a 94 ford Taurus all of a sudden my ac doesn't blow cold and my heat doesn't blow hot. Also every now and again I hear a sound like an alarm clock coming from passenger side??
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On my 2000 f250 diesel, it seems like the ac blows barely on the max ac setting. I swear its gotten worse over the years. Is it the fan? something else?
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Heat is blowing through my dash vents in front of the windshield with the controls OFF!
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2000 f150 heater only got warm.
Flushed system, new thermostat, new coolant. Then NO warm air. A/C blows cold. Checked heater blend door and actuator both intact and working. Heater core not leaking, system holds pressure and doesn't leak.
Is there another automatic valve that could be shutting off flow to heater core?????
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My 1968 F250 blows hot air with all controls set to off. The truck is fairly new to me and I'm a complete newb with a wrench....or screwdriver.....I think this should be a fairly easy fix? Aside from that it does work well.....it just doesn't shut all the way off.
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When i turn my heater on, the ac come on instead. It does not matter what position any of the dials are on as soon as I turn the blower on the ac comes on. I do not see anything obviously wrong with the controls. All turn as they should nothing is striped. I have the 3 dial control setup no auto heater controls at all. and nothing is digital.
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I recently had my Focus in the shop for some body work due to hail damage. After I got the car back, the air vents on the dashboard and the defogger would not blow air. Only the lower vents would blow air, regardless of which setting I had the vent selector on. (Even if I had the selector to defogger or dashboard vents only, the vents by my feet blew out air). The guy who runs the body shop said that wouldn't be related to anything they did on the car. What might be causing this? It's no longer under warranty, so I want to know if there's an easy at-home fix. (Also, when I got the car back, the dashboard clock and the preset radio stations had been reset. Don't know if this might be related to the problem with the vents).
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I have a 97 E-150 with factory air (vin L) the heat/cool quit working just before summer it quit blowing cold. The old man took it to some mechanic (i hate when he does that) and he fixed it so there was air only saying he had a choice of cold or hot (being summer in the desert he chose cold). Now that it is cold and we are traveling where defrost is needed, I need heat!!! I went to the Ford dealer and picked up a new potentiometer and that did not fix the problem. whenever the unit is on the a/c compressor kicks on........ Is this electrical or vacuum and where might i find the problem?
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I have a 2000 Limited Ex and was wondering can upgrade the heater controls to the digital controls. What would have to be done to accomplish this task?
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After some diag I got the A/C to blow out the front vents. There are million threads on this issue half of them are never figured out. This is the second time I have come across this problem so will make this really informative for those who have this problem. If you A/C blows to defrost, yes most of the time its going to be a vacuum leak issue.
Step 1) turnkey on engine off, stand by passenger fender and listen.. can you hear the pump running? If it is your pump isn’t dead.
Step 2) does the pump run for 30 seconds then shut off? You may not have a vacuum leak. If keep’s running for ever you have a leak. Inspect all lines, especially those going down to the hubs for cracks. Also inspect vacuum lines under passenger glovebox.
Step 3) can’t find a leak? Disconnect the line going to the ESOF solenoid and plug it, if you pump stops running then your ESOF solenoid has an internal leak. That was my problem 6 months ago, replaced ESOF, A/C blows normally.
Try This Second! So my AC isn't blowing through my front vents again.... (more diag)
AC not blowing through vents and can’t find a vacuum leak? Take off glove box door, turn AC control switch to floor/defrost/front vents, watch the metal arm connected to the side of the big black box move up and down into various positions. I noticed on mine the arm will go down in positions (floor or defrost) But it will not move up! Which needs to happen to switch to front vents. If I push the rod up by hand manually, the ac will blow through front vents, and stay blowing through front vents even after I let go. PIC of metal arm thing connected to diaphragm, which changes air flow by moving flap inside the big black box
I am guessing the Diaphragm is the issue? The truck will continue to blow from the front vents even when the truck is shut off and restarted, it will stop when I switch the ac to a different position, it will not return back to front vents.
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6 months ago AC started to only blow through Defrost, replaced EOSF and problem went away. Today my ac started to blow through defrost, switched to floor it will shift from defrost to floor, switch back to defrost, it goes back to blowing to defrost, switch to front vents, nothing stays at defrost. Air pump kicks on for 30 seconds (KOEO) then shuts off. If I disconnect a vacuum line pump turns on. I am pretty sure at this point.. its not a vacuum leak. What else should I look at?
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