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Ford Expedition Climate Control Problems

kdxfankdxfan Posts: 1
I replaced the battery in our 03 expi and now the A/C controller wont turn on. i checked the fuses under the kick panel inside the truck....any ideal what it could be?
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Comments

  • I bought a 98 exp xlt 4.6L early in 06'. I have the rear ac/heat option and now that the cold season has hit, I have not been able to get my rear heat to work. The blower works just fine and so do the blend doors. One of the hoses to/from the heater core is hot, the other isn't. The heater core also seems to be ok, unless a possible blockage....? Any one that has any ideas on troubleshooting this, please let me know. Thanks.
    I recently took replaced the front heater core myself. I was getting luke warm air, but not hot. Then the heater core blew. After talking to a Ford repair man, he informed me its very common for the blend door to go out in Expeditions. I need to fix this.
  • I have a 2000 Ford Expedition Eddie Bauer I am getting no heat at all front or back cleaned out heater core changed water pump and thermostat had sytem flushed don't know what to do next
  • I have a similar issue. I have a 99 Expedition Eddie Bauer. The fan the controls the A/C and heat does not work. The temperature is controllable, but that's it. I don't see any burnt fuses.

    At one time, I was trying to swap a turn signal relay and the fan conrol stopped working. The dealer says the problem is the dashboard climate contol unit.

    Have you found the issue? Is there a loose connection somewhere?
  • I HAVE A 2000 FORD EXPEDITION AND CAN NOT FIND THE LOW PRESSURE SERVICE PORT. I FOUND THE HI PRESSURE PORT OK BUT NO CAN NOT FIND LO. NEED HELP. THANX JERRY :confuse:
  • I brought my Expedition to the dealership for another issue and asked them to take a look at the heater; They indicated the climate control head unit (in the dashboard) was faulty. More specifically, the switch that controls the fan is no good. I thought it was very strange since I'd never touched the unit or any related parts. I went ahead and bought a used replacement off Ebay for $40 and installed it. IT WORKED! I didn't think it would...but it did.
  • How do you fix the air conditioner on a 2002 Ford Expedition that switches from the panel to the defrost vents when the engine is under a load?

    Every time the engine is over about 2,000 rpm's the a'c switches from panel to the Defrost vents.
    any idea why? any tips would be greatly appreciated

    thanks

    joel
  • i have a 1999 Expedtion and it suggest that I replace the Cabin filter, where is that located? If anyone can tell me
  • asandsasands Posts: 2
    Just yesterday i went to turn on the rear A/C for my kids and the air wasn't blowing out of the overhead vents. We could hear the air blowing but it was blowing in the third row seat floor vent. Any ideas? :confuse:
  • Hello, I have a 1998 Expedition with the 4.6l motor. There is some heat coming out of both sets of vents, but it doesn't get 'hot' at all. The temperature regulator knob seems to work. What might be the problem? Thank you for your help.
  • mschmalmschmal Posts: 1,757
    This is a 4 dollar part that when it fails it does so in a way to keep the car from overheating and the cabin heater core from ever getting hot enough to give you "heat"

    If the air from the vents gets colder at highway speeds, then this is the likely culprate.

    Mark.
  • Thank you so much for your help, I will get the part soon, and let you know if this works!
  • Hello:

    I have a very similar problem as to these other postings I have read,I have a 1998 ford expedition xlt with a 4.6 ltr engine,any ways
    I just realized that my heat is not blowing hot air it is blowing luke warm to cold air & I am freezing in the a.m.!! even when I start the truck in the am I let it run for like 20 min & still no heat!! I changed the thermostat and did a radiator flush with top of the line anti freeze,on the high way it does get worm thats about it,but when i slow down it gets cold again. I am starting to think the heater core is on its way out!!

    does anybody have any idea why this is happening? is my heater core on the way out??
    is it easy to change?what else can it be?

    Thank You

    I would like to fix asap as I do have kids to bring to school in the am!
  • I have the same problem as my post reads down below yours from milliard,have you gotten any good ideas of what it might be??
  • Hi,
    I have a 2004 Expedition. My air only blows up by the window, and not out the vents like it is supposed to. The switch that controls where the air will blow doesn't seem to be working properly, because I only get air flow at the window ( like defrost) and off. Do I need to replace this switch or is it some vacuum line or something that is not allowing the air to transfer to the proper location that I select?
  • I have a 05 Expedition EB with heated and cooled seats and had the same problem. I called the dealer and they said it was the control unit, but I did'nt think so because when I tried to switch it to vents I can hear a clicking noise like it's trying to move. So I started pulling the center console out and looking at the vacuum lines that control were th air gets switched. there is a manifold that has 6 tubes in it. A black,white,red,orange,blue, and yellow. The black and white are the two that come from the vacuum side so I took a air compressor and blew into all the tube and then it started working again. So I think the small tube must have had some junk in the line. I took some pictures of the area so if would like to receive them just email me at eddiemcninch@att.net and I will send them to you.
  • got 05 have problem with gas fumes when using defrost been to dealer 4 times they can't found it
  • Folks I am brand new to this forum and maybe I over looked the fix or maybe I didnt, anyways I have no heat in the front of my 98 ford expedition but plenty in the rear heater system. I understand that there is a blend door actuator that controls the Max cold-maxheat, but where is the damn thing and what do you do to fix this reoccuring problem that the Ford recall team seems to ignore?
  • inlowinlow Posts: 2
    seams to me we have the same problems with these ford expeditions, I have a 2003 xlt ,overhead rear heat works great, dash heat stay`s cold no matter where you set the temp control knob. any suggestions, my local ford dealer charged 77 dollars just to tell me it needs a blend door controler, and it will cost me 1300 dollars to fix , forget that i`ll trade it off first, anyone know what i can do to fix it myself, ? :mad:
  • Sounds like I am not the first one with this problem. I disconnected the hoses to the front heater core and ran water through it. The core is clear. I then reconnected the hoses. The inlet hose becomes hot. However, the outlet hose never warms up. Can someone help?
  • I have a very similar problem. My front heater core is clear--we disconnected the hoses and ran water through it. When the engine is at normal operating temp, the inlet hose to the core becomes hot ---the outlet hose remains cool. Any suggestions?
  • I have the same problem with my 98 Expo. My front heater core is clear, we disconnected the hoses and ran water though it with no problem. However, after being reconnected and when at normal operating temperature, the inlet hose becomes hot but the outlet hose never warms up. What did you come up with to solve your problem?
  • inlowinlow Posts: 2
    hi
    i have a 2003 ford expidition xlt ,no heat front no matter where you put the control, so i took it to ford, they charged 77 bucks to tell me it needed a blend door controler motor. then the shocker ,1300 dollars and takes all day to pull dash . the rear heat is probably a vacume line stopped up. i took a pic of the blend door but I am not shelling out 1300 bucks . The part cost 53.50
  • I have recently started having an issue with our 03 expedition. The heat blower stays on high even if I turn it down to low. Even if I turn off the heater the blower still blows to a certain extent. Any ideas on what would be causing this? I do not want to take it to the dealer for a 200 buck fix.

    Thanks
  • Does anyone read these?????????? Comments????????
  • tidestertidester Posts: 10,109
    Yes, people read these messages but, apparently, no one has a ready answer for you. I would suspect you have an electrical problem with the switches. Can you deteremine whether the fan is actually engaged when you turn the heater off?

    tidester, host
    SUVs and Smart Shopper
  • sometimes when you turn it off the fan completely shuts off or sometimes it will stay on and blow air.
  • tidestertidester Posts: 10,109
    It may be the blower resistor pack. I'll leave it to the experts here to further diagnose. Anyone?

    tidester, host
    SUVs and Smart Shopper
  • zoomzoomnzoomzoomn Posts: 31
    There are a number of areas that you need to check for vacuum leaks. From the head unit (the controls) to the canister in the engine compartment. It could even be a small evap leak elsewhere that is keeping the system from maintaining enough vacuum under high load conditions.
  • tony66tony66 Posts: 3
    found the problem after 6 months steel spark plugs into aluminum block when you change them have to get all carbon out or they will not seal right
  • I'm able to get great heat from the front but no heat makes it out the roof vents. same holds true for A/C. i noticed some folks mentioned the blend door as a possible issue. Would that cause this problem? is this a dealer repair or is it something that can be fixed/accessed easily?

    Thanks for any input
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