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Where is the ac low pressure port to fill in Freon in 2002 Ford Escort ZX2

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  • dguolee Jul 11, 2010

    yeh

  • dguolee Jul 11, 2010

    Thank you very much. the service kit is quite loose on one port and quite difficult to fit into on the other port. Thus I was quite not sure which one really is the low port. Anyhow, the icy cold line looks smaller and it is in between the radiator and interior. I guess this should be the high port?

    Another question is, my clutch on the compressor keeps cycling on and off every a few seconds (you can hear the clicking sound every 3-5 seconds). Is it an indicator that freon is low inside? if the clutch keeps cycling on and off, how can I add freon in without clutch keeping engaging all the time? I heard I can bypass the connector at the pressure switch so that the clutch will be engaged for a while to **** in freon. Do you have a diagram to show where is the connector? I don't have the manual in hand so far.


  • dguolee Jul 11, 2010

    Thank you very much. the service kit is quite loose on one port
    and quite difficult to fit into on the other port. Thus I was quite not
    sure which one really is the low port. Anyhow, the icy cold line looks
    smaller and it is in between the radiator and interior. I guess this
    should be the high port?

    Another question is, my clutch on the
    compressor keeps cycling on and off every a few seconds (you can hear
    the clicking sound every 3-5 seconds). Is it an indicator that freon is
    low inside? if the clutch keeps cycling on and off, how can I add freon
    in without clutch keeping engaging all the time? I heard I can bypass
    the connector at the pressure switch so that the clutch will be engaged
    for a while to **** in freon. Do you have a diagram to show where is the
    connector? I don't have the manual in hand so far.





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  • Ford Master
  • 6,826 Answers

Look at the ac compressor,and follow the large ac line coming from it,and it will go towards the firewall,and the service port will be on that line,and it is the only one that will attach to your charge hose.

Posted on Jul 11, 2010

  • 1 more comment 
  • dguolee Jul 11, 2010

    Thank you

    Is the pipe next to low pressure port icy cold when AC is on? Or this is the high pressure port?



  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jul 11, 2010

    the high side is warm,it is the smaller line,the large line is the low side,but there is a orifice tube in the liquid line,one side will be colder the the other side,on one line,where the orifice tube is.But the charge hose you have will only fit the low side port,so do not worry.And do not over fil

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jul 11, 2010

    There is only two ports for the ac,the high side will be too large for the charge hose to connect to,if the port you are talking about is on a ac line,then that is it,and the freon will go in,as the can empties,the ac clutch will run contiuously.Hold can with the hose at the bottom,in your hand,not the hose on top,it will be much faster,and you will get all liquid that way.

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