Question about 2000 Dodge Intrepid

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Replaced compressor, had the a/c charged but the repair shop says the line is plugged as the pressure is on the high side only. The freon will not go to the low side. We blew out the lines upto the fire wall under the hood.

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  • hanif81 Jun 16, 2009

    Thanks for the quick response! The filter and the metering device were blown out with high pressure air. The AC is not weak it just won't work.

  • hanif81 Jun 16, 2009

    The metering device and the filter was blown out woth high air pressure.

  • hanif81 Jun 16, 2009

    Unfortunately, the ac is no longer charged. We found the evaporator core may be plugged since no air will blow thru the inlet or the outlet. Are you able to confirm that or is there an inline valve under the dash that we are not aware of.

  • hanif81 Jun 16, 2009

    There was a piece of metal that came off the evaporator core. But it appears to be too big to go thru the metering. The metering valve is in a closed position right now and will not allow air passage. We are going to purchase another metering valve to see how that would work.

  • hanif81 Jun 16, 2009

    The metering device was found to be faulty. Thanks for all the help guys. This is a great website!



    Hanif

  • Caleb Judd May 11, 2010

    does the a/c work at all? is it weak or not even cooling?

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You need to check the filter and the metering device, they are the two most common place for an obstruction

Posted on Jun 16, 2009

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  • seth veloso Jun 16, 2009

    sorry I didn't clarrify, if the filter clogged, you should feel a temperature drop accross it while the ac is running. If it is clooged, you cannot blow it out, it needs to be replaced. Also, depending on what happened to the compressor, you may have a piece of it in a line somewhere, again you should feel a noticeable temp drop. let me know what you find.

  • seth veloso Jun 16, 2009

    if you are saying that there is no air coming out of the refrigerant lines when you say it is not coming out of the evap core, that would lead me to think it has to be either the metering device ( not 100% familiar with your car but probably on the inlet of evap core) or the core itself. Chances are it is the metering device since its orifice is smaller than the evap core.

  • seth veloso Jun 16, 2009

    hopefully that will do it for ya

  • seth veloso Jun 16, 2009

    hey, not a problem, always glad to help someone out

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Does the power in the car drop when the a/c is engaged?

Posted on Jun 16, 2009

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1 Answer

COMPRESSOR ON & OFF FREON LEVEL OK


You need to hook up a gauge and read the pressures on the low and high side. It will cut out if the pressure drops too low or goes too high. If it was properly evacuated and charged I would assume it is probably high pressure cut out which would be indicative of a plugged orifice tube or restriction in the system (line, condenser, evaporator.

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also r12 hase been band for sevral years and should not be used
if this freon is r-12 conpatible or replacment then your fine
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2 Answers

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