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heater problems

  1. J

    Brrrrr. no heat but good fan

    2004 Explorer with no heat. Fan works fine on all speeds. Had problem with heater in the past where the fan only worked on 4 with heat. changed module under dash and it was corrected. Don't know if it is related?? Thank you
  2. 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...
  3. G

    How do I troubleshoot my heater?

    My 1998 Explorer Heater fan works intermittently. When it works it works on all speeds as normal, but then next time NOTHING! Not a whimper out of it. How do I troubleshoot this? Where do I start? Should I suspect a switch? Or a relay? Or a resistor? Or all three?
  4. drakeguy22

    No heat or a/c...

    alright to make a long story short... i went mudding... next day no heat or a/c. the blower will blow whatever temp air is outside the Ex... i cleaned the engine bay out very well thinking that maybe i had mud stuck in places in shouldnt be and that helped in no way shape or form. Anyone had...
  5. F

    05 Explorer HVAC Drawing Available?

    Getting very little heat from the front vents. Replaced the thermostat a few months ago, and fluid level is OK. Replaced the actuator and checked the re-circulating door and it's working OK. Air comes out of the dash vents, but the flow reduces significantly when changing the temperature to...
  6. F

    05 Explorer-No Hot Air is coming out the Front Vents- it’s just a little warm

    Here’s what is happening- 1. The air coming out of the front vents is not hot, a little warm but not hot. Our Explorer has the rear heat/AC controls. The air coming out of those vents is much warmer. 2. When the control is set to the Dash vent and the temperature is set to hot, most of the...
  7. D

    Heater not working/making clicking sound when heat is on

    Hey guys, I know my truck has a lot of problems, but thanks for sticking with me and giving me great advice! now, that being said, I have a big problem with the heater. I got the t-stat fixed, and now that i finally need to use my heat because i'm in illinois and its extremely cold right now, i...
  8. G

    Heater not working??

    Hey everyone! I have a 2002 Sport Trac 4X4, 4.0L and cannot get the heater to work! With it being so hot here in Indiana until recently, I had not had to use it, but I can crank the dial all the way to full heat and it does not change temp at all in the cab?? I have checked to make sure the...
  9. E

    HVAC Temp Door

    Does someone possibly have a template or know where to access one to properly cut the bottom out of the heater box in order to replace the temp door without damaging the lower pivot socket?....'97 Ranger...Not sure if the NAPA replacement kit has one.:rangergreen:Thanks in advance.
  10. M

    Heater & A/C blower control are not working.

    Need some help. I have an explorer xlt 2002, currently the mode selector control isn't working properly. It only seems to blow out the main vents and no where else. Not sure what to do to fix it. With winter coming up I need my defrost to work on the front windshield. Even if there isn't a...
  11. C

    1997 Explorer heater problems.

    Ok so I have a puzzle on my hands, my heater in my explorer is not working! I have changed the thermostat, fluched the heater core and checked the blended door. When I turn on the heat air blows out of the vents like it should but its not hot. The car warms up like it should, and today it did...
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