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A/C with heater ??

Discussion in 'Stock 1995 - 2001 Explorers' started by AA7KN, March 8, 2018.

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    1. AA7KN

      AA7KN New Member

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      Hi, I have a 1996 ford explorer xlt 4.0l V6OHV engine. love the car, but I have this one issue. when the climate control switch is set to defrost or heater positions, ( turned to the right) I have noticed that my A/C compressor is also on. is this correct ? I would think that rotating the switch to the right would NOT turn on the A/C compressor. anyone see this before ? any ideas what I can do to fix this ? Thanks...Happy Exploring
       
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    3. Turdle

      Turdle I bake stuff Staff Member Moderator Elite Explorer

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      It's normal. Ac is needed to remove moisture from windshield during defrost. The compressor will intermittently engage during normal operation to keep the seals in condition. All good.
       
    4. AA7KN

      AA7KN New Member

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      Wow. OK. So even in the heater mode it comes on sometimes ? Thanks.
       
    5. 96eb96

      96eb96 Well-Known Member

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      Totally normal, over 40 degrees or so. Even older Fords did it.
       
    6. Tech By Trade

      Tech By Trade Well-Known Member

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      Ac was originally invented to control humidity. Its still doing its job today. Save gas and HP, don't drive with defrost unless you need it.
       
    7. AA7KN

      AA7KN New Member

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      So let me get this right. When in heater mode, defrost mode , I guess all mode except for vent. The a/c will cycle on and off ?
       
      Last edited by a moderator: March 8, 2018
    8. Turdle

      Turdle I bake stuff Staff Member Moderator Elite Explorer

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    9. lobo411

      lobo411 Active Member

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      I'm confused about what the OP is saying. Does he mean A or B?

      Condition A:
      Defrost ON
      Temp set to heat

      Condition B:
      Vent ON
      Temp set to heat

      In Condition A, the A/C compressor should be ON. But in Condition B, the A/C compressor should remain OFF.
       
    10. AA7KN

      AA7KN New Member

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      Thanks guys for the input. I guess I won't worry about it. all good.
       

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