Question about 2004 Jeep Grand Cherokee

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Heater/ac not working properly

When heater or ac is on it does not blow air when its switch on low or high. While driving on highway its starts working a little,but stops working when slowing down.

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  • joseandtina Jan 05, 2009

    thanks. but where is this capillary tube located?

  • badandie2009 Mar 13, 2009

    My heater works well on Defrost, but when I switch it to blow on the floor or throughout the vehicle it barely blows at all. I have had it to the dealer 5 times so far and they cannot figure out the problem. YAY Jeep Grand Cherokee 2004! :(

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Buddyinstl is is right. the same thing happened on mine. the heat controls would not work either i tried to turn the heat down but the air would not get any cooler until i put this tube back on.

Posted on Mar 22, 2009

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Easy fix. The vacuum hose has come loose. Happens all the time. The hose is about 1/2" in diameter and can be found under the hood, in the middle of the engine compartment, on the drivers side. Just take a tie wrap and tighten it down over the plastic inlet.

Posted on Mar 13, 2009

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My heater/AC in 2006 jeep commander will not work on front zone only rear zone could my resistor be bad

Posted on Apr 15, 2011

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You need to get the capillary tube clean or change

Posted on Jan 05, 2009

  • lindon_oj Jan 07, 2009

    check if refrigerant is in the car

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