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A/c wont cool despite 2/3 cans refrigerant

A/c wont cool despite 2 or 3 cans refrigerant

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  • jjttmd May 08, 2009

    no. i put regrigerant with leak stop

  • jjttmd May 08, 2009

    How will I know when compressor kicks in? Does it make clicking sound like you mentioned? i'll have to go check it out.

  • jjttmd May 08, 2009

    Its a nissan xterra 2002 as far as car but type of a/c is that under hood?

    will let you know.

    I will listen but I dont recall compressor sound

    when I added refrig it was gauge said full and cold air ....but w/in 2 hrs hot air

  • jjttmd May 09, 2009

    No prob.

    But Re car a/c no compressor kicked in or is that only in home a/c. How much do u think it will cost to get this likely leak fixed


  • Miguel Tulipat
    Miguel Tulipat May 11, 2010

    have you checked the system for leaks?



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A failed compressor can cause this problem, including having a leak that can not be patched with leak stop.

After you turn on the A/C unit, does the compressor "kick in" within a minute of turning the unit on? Do you hear any "clicking" sounds? If yes, post back here and we can take the next step.

Posted on May 08, 2009

  • Jeff Meyer May 08, 2009

    It would be really helpful to know the make and model of your A/C unit.

    When the A/C unit fires up, there are two things that make noise. One is the sound of the fan running. The sound of rushing air. The second sound is the compressor, which has a much deeper, humming sound. On many A/C units. the fan comes on first then in far less than a minute, the compressor "kicks in" When that happens and you are listening for it, it is obvious.

    If all you hear is rushing air, suspect the compressor failure.

  • Jeff Meyer May 09, 2009

    Be gentle with me. I mis-understood your query and assumed you were working with a home A/C unit. So all my input so far was household A/C focused.

    OK, working with auto A/C is different. To determine where the (obvious) leak is you would need special glasses and light source and some ultraviolet dye to put into the system. But realize that releasing these gases before the system is fully repaired has large fines. Recommend that a professional get involved.



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