Question about 2001 Ford Mustang

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01 mustang convertable i changed the ac compressor now what?

01 mustang convertable i changed the ac compressor but the ac still does not work has 134a in the blue 3.8 6cyl what else do i need to do this thing is running good but no ac hot air only

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  • kellystrickl May 13, 2009

    the ac was not working and the compressor ingages then shuts right back of then back on but the air never gets cold. hot air blows on high and low but there is never any cold air. it was not vacumed out but it was drained and then reinstalled with 134 before it was started just about 10lbs then started and filled until blue. it stays in the blue but never gets cold. all of the fuses are good and i really dont know much about ac units in cars i know how to work on cars alot as fas as brakes,callipers,exhaust,electrical,changing clutch...etc so i konw a good bit but have never messed with ac units. anymore help would be appriciated thanks everyone

  • Jmac427 May 11, 2010

    clogged orfice tube, or expansion chamber??

  • ITSCENTER May 11, 2010


  • gerry bissi May 11, 2010

    Did you try jumpering across the a/c cycling switch (on the receiver/dryer) to see if the compressor engages? Don't do for long as it could damage the system.

    Could be the presure switch, the a/c conrol head in the car, etc.

  • jemaki2003 May 11, 2010

    Did you vacume down the system before you put R134 in it?

  • jemaki2003 May 11, 2010

    Does the compressor ingage when A/C is turned on?

  • Anonymous Mar 27, 2014

    compressor releasing 134a



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Do as Jugernaughtxet said also look for the label under the hood that tells you what king of refrigerant I.E. R-134A on this label will be the exact charge in ounces it takes put this in no more no less. If you dod 10 Lbs not 1 Lbs to start with this is your problem as 10 Lbs is way too much.

Posted on May 16, 2009

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Need to evacuate the system check the orifice tube put back together and re-vacuum system to remove the air from the system.
it's cycling to fast which means air in the system.

any air left in the system will counter any refrigerant in the system.

Posted on May 14, 2009


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