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2006 Mitsubishi Endeavor Question: Why is my A/C blowing out warm air then cold then warm?

 

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petey810, 3.8L V6, Destin, FL, August 15, 2013, 14:23
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My a c unit is blowing out warm air then cold air then warm air. Can you explain why.

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  • Answer #1

    pushrod August 15, 2013, 14:44
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    Need a little more info! Does it do this at a steady hyway speed, or are you in stop & go traffic?

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    petey810, August 15, 2013, 15:23
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    Steady highway speed.

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    pushrod, August 15, 2013, 15:44
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     Master

    Only thing i can think of is it's possible it needs a shot of freon. Sounds like the compressor is cycling on/off due to low pressure. Hard to tell without some pressure readings.

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    petey810, August 15, 2013, 15:56
     Rookie

    I had the compressor checked and it is holding pressure.
    They also said that the freon was good.

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    pushrod, August 15, 2013, 19:52
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     Master

    When you say warm air, is it warmer than ambient temp.like maybe the heater on? If that is the case, possible blend door actuator problem. That's just a guess. But a fairly good one i think!

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    petey810, August 16, 2013, 05:49
     Rookie

    This is what I was told culd be the problem. How much does this cost to fix?

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