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Defrost

Old 01-05-2016, 10:29 AM
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Default Defrost

If the air conditioner needs freon will that not allow the defroster not to work? Air is blowing but nothing happening, windows fogging up while driving.
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Old 01-05-2016, 11:04 AM
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No, my A/C hasn't worked in 5 years, but my defroster works fine. You must not have any heat either, right?
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Old 01-05-2016, 11:28 AM
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Have plenty of heat. New heater core last winter. Fogs up during rainy days while driving.
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Old 01-05-2016, 11:43 AM
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So you're saying the defrost works fine, right? Blows hot air out at the bottom of the windshield?
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Old 01-05-2016, 11:44 AM
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You may have rainwater getting into the heater box from the cowl area and turning to steam or your A/C drain is plugged. A plugged drain is common on jeeps. When it gets bad, the carpet on the passenger's side will get wet.
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Old 01-05-2016, 12:55 PM
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If I pop the hood and take the cowl off will I see the water if that is it? Or is this inside the jeep?
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Old 01-08-2016, 09:43 PM
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No, it'll have drained down the the bottom of the heater box. There is a drain for this and on some jeeps, it flows into the frame and can get plugged real easily. On my WJ, there is a little rubber snout sticking out of the box on the engine compartment side. IDK where yours is.
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