Question about 2000 Jeep Grand Cherokee

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Air condition I have a 2000 jeep grand cherokee and my air condition quit blowing cold air so I tried to add a can of freeon (?) and for some reason it would not take charge from the can

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  • j_williams77 May 27, 2009

    yes I had the vehicle running and had my air on like the bottle had request but it was not taking any of it. So I tried it on my fathers truck same way and it took all of the bottle. So now my father has cold air and I am still driving with my windows down

  • its420_us May 11, 2010

    Did you have the vehicle running, and the a/c on high?

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  • Jeep Master
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First, if you have no experience in air conditioning repair, I suggest you not attempt it. Today's systems are far more complex than in the past. It is easier to do more damage than there was originally as well. Second, R134 freon with sealers is incapable of repairing leaks but is very good at gumming up expensive machines used by professionals to do this work. In order to determine what is wrong with your system it is necessary to at least have a set of gauges that read both high and low side pressure as well as a means of evacuating the system to remove air and moisture, either of which can cause problems. Even if you do obtain these items you need experience in diagnosis and procedures to do the work. Without either, things can get dangerous.
Yes...sometimes a slightly low system will respond to a squirt of freon, but I'm afraid yours is not one of them, Could be an empty system, bad switch somewhere or an obstruction in the system or any number of other things. Only proper diagnosis can tell you that..
I know this isn't what you were hoping to hear, but it's a fact.

Posted on May 27, 2009

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  • Master
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Hello ...did you connect a set a gauges to the the high and low sides of the a/c system and get pressures readings before trying to add freon? It might not need freon...the problem could be elsewhere. Was the compressor clutch engaged when you were trying to add the freon?
The low side pressure should be about 30-40psi when the compressor is running... Before you charge an A/C system the system should be evacuated with a vacuum recovery system, and charged exactly to specs or damage may occur to the system.
Good luck...i hope this helps,

Posted on May 27, 2009

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  • Contributor
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Probably need to buy a new ac compressor. i would ask a guy at the local autozone or o'reillys

Posted on May 27, 2009

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