Question about 2000 Nissan Altima

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2000 Altima AC Sometimes it works sometimes it wont.

If it works and put it on 3 or 4 it will stop blowing cold air and the compressor kicks off. Sometimes if it doesnt work you can turn the blower switch with button AC on about 20-30 times fast it will work but most of the time it wont. After that it will not work again for several hrs. When it does work it is ice cold. If it works and you turn the car off and crank up again IT WILL NOT WORK. I have took it to 2 AC shops to charge the system, it is full. I almost crossed the center lane into another car coming home from work Tuesday in the ATL rain storm because the defroster didnt work. SOMEONE PLEASE HELP ME! Thx So Much!!!!

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  • danwiggins25 Sep 25, 2009

    Correct. If it working and turn it to 3 or 4 speed the compressor will kick off. They checked and filled when it was working. Its so hard for me to run to a AC shop around my house they close at 4 and I get off @ 5. Thx!

  • danwiggins25 Sep 25, 2009

    Correct. If it working and turn it to 3 or 4 speed the compressor will kick off. They checked and filled when it was working. Its so hard for me to run to a AC shop around my house they close at 4 and I get off @ 5. Thx!

  • Ted Schore May 11, 2010

    so does it blow cold on certain blower speeds but not on others???? I assume the blower works on all speeds but it does not blow cold on all speeds? If the a/c shop says its full I ASSUME they are checking it while it is working, I would have them ck it while it is NOT working.


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Electrical issue or pressure switch is faulty. May have too much refrigerant in the system, but not likely if 2 shops have looked at it. If there is too much in the system, the pressure will get too high and the pressure switch will turn the compressor off until it comes back down.

Posted on Apr 10, 2017

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Sounds like a control panel or A/C push control unit ! (electronics)
Here is section from repair manual . Download 2000 Nissan Altima Heater Air Condition Section HA PDF Manual 76...

Posted on Apr 10, 2017

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Posted on Jan 02, 2017

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SOURCE: ac heater

blower resistor ,fuses that the basic start let me now pierre

Posted on Nov 09, 2008

  • 14 Answers

SOURCE: Air conditioning does not blow cold air all the time

your high pressure switch is faulty. the part is about 50$

Posted on May 13, 2009

  • 2 Answers

SOURCE: Car AC stopped blowing cold, compressor turns on, Freon at 45

check the thermo control amp, it is a sensor that keeps the evaporator from freezing. I had that problem on my 2000, it's a common nissan problem, google nissan ac problems.

Posted on Sep 22, 2009

  • 1 Answer

SOURCE: A/C sometimes works and sometimes doesn't. Air is

i have the same problem. its ether your cut out switch or the clutch switch. the clutch switch will make the a/c compressor cut on and off.

Posted on Oct 02, 2009

  • 382 Answers

SOURCE: The heater takes a long time to warm up and when I

1st thing I would do is have your thermostat checked at a rebutable rad shop also somtimes the rad cores get blocked and will not circulate the heat properly either problem can be rectified at the rad shop...good luck

Posted on Dec 23, 2009

Testimonial: "Thanks for your help. I am going to a shop and have them check into the heater problem. Much thanks and have a very Merry Christmas & NY."

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