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hvac

  1. C

    Identify this actuator/lever?

    Hey! So I have an issue where my vehicle is stuck on the *vents* only. Not defrost, or the feet vents, or anything like that. Today I tore apart my dash to see further. The common plastic piece visible from the glove box is of course snapped, and the previous owner drilled a hole to keep it in...
  2. D

    2016-Need to calibrate blend door actuator after replacement

    Hi, I replaced my blend door actuator in my 2016 sport a couple months back. It worked, but the actuator seemed to ignore the limits of the damper and kept trying to open or close further, eventually causing a gear tooth to break in the actuator. How do I reset the system after replacing the...
  3. D

    A/C and Heat Only Work on High Setting

    I am having some problems with my climate control in my 2002 explorer sport trac. On fan settings 1,2, and 3 there is no air coming from the vent. However, on the high setting, 4, they both work just fine. I read that this can be related to the blower motor resistor so checked that out. It was a...
  4. P

    98 mercury mountaineer 5.0 hvac problem

    does anyone have a full diagram for the hvac power circuit for this vehicle? the high and low pressure switches have been checked and bypassed but no power reaches the ac clutch. i need to know where the signal leaves from the switch all the way through so i can find the break or problem...
  5. S

    Solved Ambient Air Temperature Location

    Where is the ambient air temperature sensor located on a 2015 Limited Edition Explorer?
  6. M

    06 mountaineer hvac illumination stays on

    Hi, I have a 2006 Mountaineer with the 4.0. My problem is that the climate control illumination stays on at all times, even when the vehicle is off. This causes the battery to drain after about 9 hours. Also, when the headlights are on and the dimmer wheel is in certain positions, a buzzing...
  7. D

    HVAC HELP

    Hey guys, After extensive squinting at page after page of threads going completely off topic, none I've read has helped resolve this problem. That being said: 99 Mountaineer AWD 5.0L 150k Miles, unmolested dealer serviced Charged A.C., cold lines, compressor working perectly, EATC, blower...
  8. I

    NEW A/C, COMPRESSOR WONT ENGAGE!

    Hi all! I spent all day today putting on a new compressor, accumulator, orifice tube, low side pressure switch, and relay. Of course, I flushed the hell out of the system with a half gallon of solvent through a flush gun, then shop air, then flush gun. Installed the new parts, pulled a vacuum...
  9. M

    1996 Eddie Bauer Explorer Blower Motor Only works On High

    I have a 1996 Eddie Bauer Explore with an automatic temperature control system. The blower motor is either off or at full speed. The blower motor speed controller (not the standard resistor) seems to work as does the motor. The fan speed dial (a potentiometer) on the EATC (electronic automatic...
  10. P

    What did I knock loose?

    Hello everyone, I recently changed the blend door actuator on my explorer due to a clicking noise whenever I changed from AC to Heat. While removing a particularly pesky screw off the old actuator to remove it, my hand knocked loose a small white pipe. I felt like it just popped off, so I...
  11. P

    No Heat Passenger Side

    HVAC issue here. Can someone describe how this system operates for me please. I have dual zone climate control, the passenger side does not get any heat. Do I need to look for a coolant flow regulator, or a blend door actuator? What could prevent the passenger zone from getting heat? I am...
  12. Rick

    List of Useful Threads A/C & Heater forum's best threads

    How to: Quick and Easy 2nd gen Blend Door Replacement Tutorial 2nd Gen NO AC ( or heat) FROM VENTS!!! A "How to" what to look for thread My 1st Gen Heater Core Replacement Diary How to: Flush, R&R compressor, accumulator, and orfice tube 95 Converting an R-12 Air Conditioner to use R-134a...
  13. B

    HVAC Issues

    I cannot seem to find reference to this issue anywhere else. For reference - I have an 08 XLT with Manual HVAC controls (no rear HVAC) Cold air blows out of a round hole(in the HVAC Case) in the drivers side floor boards area. This happens when the heat is on. First off - I replaced the...
  14. S

    2010 Ford Explorer XLT - AC repair

    Hi all, I have a 2010 Explorer XLT which is in need of AC repairs. I live in the middle east and parts are difficult to get here. I've been told that the Condensor and the evaporator need replacing so what I need to know is what parts should I be getting? I can see the Condensor (part #...
  15. L

    AC/Heat vacuum leak?

    Hi, I'm having an issue with my truck's AC/heat system, and I haven't been able to find a satisfactory solution online, so I'm hoping someone here can help me out. I have a 2005 Explorer XLS, and the HVAC system only likes to stay on max-cold. When I bought it about four years ago, it had a...
  16. D

    How to Replace a Blower Motor Resistor

    So if your fan isnt working on one of the settings (most likely low) then you probably need a new blower motor resistor. This video will show you how to replace the blower motor resistor yourself nice and easy! Let me know what you think! **Also, if the video was helpful, give it a...
  17. L

    2005 XLT intermittent hissing noise in rear when HVAC on

    I think I'm posting in the right thread... Anyways, Hello all, I have recently purchased a 2005 XLT V6 and there is an intermittent hissing noise coming from the rear when the HVAC system is on. It comes and goes about every 30 seconds. I have searched all over the web but have not found any...
  18. S

    Two HVAC issues

    Overview: It's a 2002 Explorer I bought it about a month ago. There were two issues, which I believe are separate problems: (1) It only blew hot air, even when turned to cold, and even though it was only ~40' outside. (2) It would blow to the windshield or dash vents fine, but not to the floor...
  19. B

    1998 Eddie Bauer Explorer A/C not working

    I have a 1998 Eddie Bauer Ford Explorer and the front air will not work. When I try to turn the air/heat/defrost on, it lights up acknowleding my command, but nothing happens. The rear air does, however, work. I have been told by different people that it could be the blower motor or the...
  20. M

    Problems with 2004 XLT Air & Heat...

    4.0l XLT will only blow hot air with no way of directing it. When you turn the heater on it comes out of the floor and vents mostly but still comes out of defrost and window vents. Also hardly any heat coming from rear heater in middle console. There is no A/C at all. I don't hear a sound from...
  21. S

    Dual HVAC controls not working

    It is hot outside. I get into my 2003 explorer and put the ac to max recerculate, dual temp settings to 72F each or single setting to 72. After the AC system has a couple minutes to cool down I feel hot air coming out the driver side and the cold air coming out the passenger side and rear AC. As...
  22. X

    HVAC lights do not work

    All subjects regarding the HVAC lights during my search also include the dash lights, or dimmer switch, etc. These are not my issues. The dimmer switch works, as well as dash lights. It seems that it is only the HVAC lights that do not work. I doubt it will be as easy as a fuse since the...
  23. T

    Front defroster blows little air.

    Ok I am sure my problem has been answered some where here but i cant find it. So here it goes. I have a 2003 Explorer, 4.0L, 4 door (if it matters) and all of my vents work perfect except my front widshield defroster. When I switch to the windshield blower, I get VERY little air through...
  24. G

    Blend door challenges

    I have a 2002 Explorer with manual climate controls. I noticed that the defog wasn't working well so did some digging. I discovered that the servo motor that controls the blend door (has the yellow vacuum line) worked but the plastic linkage that goes from the servo inside the plenum box was...
  25. poser

    poser

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