A/C cool but not cold | Page 2 | FordForumsOnline.com
  1. Welcome to FordForumsOnline! Our community is here to help you with any questions you have related to your Ford. If you are looking for a friendly community to hang out with other Ford owners you can look no further than our forums here! Registering is easy and free!

A/C cool but not cold

Discussion in 'Heating and Air Conditioning' started by Onceler, Aug 2, 2019.

  1. Onceler

    Onceler Member

    Joined:
    Jul 16, 2019
    Messages:
    89
    Likes Received:
    27
    Location:
    Indiana
    Thanks for the link. Went ahead and purchased the hard copies, that’s a good price. I actually bought the cd version a few weeks back, then figured out I don’t have the tech to read a cd, lol. I thought my work computer would “play” it but no go.
    But yeah, I’m gonna try to get a thermocouple and read the evap temp. Thank you everyone for all the guidance.
    I just wonder if the original sight glass was attached to the hose, and somewhere along the line the hose was replaced and they deleted the sight glass. Anyway, it’s definitely not there now, anywhere in the system.
  2. Action

    Action Moderator Staff Member Respected Member

    Joined:
    Mar 22, 2014
    Messages:
    12,644
    Likes Received:
    1,467
    Location:
    Phoenix, AZ 85008
    Some sight glasses were in line with the hose. It's too bad the system doesn't have it. It is another diagnostic tool that can be used.

    >>>>>>>>>>Action
  3. Onceler

    Onceler Member

    Joined:
    Jul 16, 2019
    Messages:
    89
    Likes Received:
    27
    Location:
    Indiana
    Hello again. I've decided I'm gonna replace the A/C compressor and expansion valve due to low High side pressure and the tech. who charged the system thought the compressor was weak.
    Anyway, I've read that when replacing the compressor it's a good idea to replace the condensor. However, I can't find a condenser to fit this car. Can I just flush the old one? It has the reciever/drier attached. I also wanted to remove all the components and flush them as well -throttling valve, hoses, and evaporator.
  4. Action

    Action Moderator Staff Member Respected Member

    Joined:
    Mar 22, 2014
    Messages:
    12,644
    Likes Received:
    1,467
    Location:
    Phoenix, AZ 85008
    Replacing the condenser is a method to make sure debris is removed. In my opinion it is rather drastic.

    System flushing is good. Cheap easy and effective. A great combination. Use enough cleaner and blow it through the parts you are flushing.

    RD removal before flushing is recommended. The RD is replaceable. It is designed to be replaced. It is supposed to catch any debris in the system. Install a replacement after the flushing is complete.

    Remove the suction throttle valve before flushing. It closes or is at least is a designed restriction. in the system. Flushing debris into that valve may trap the debris and that is not he goal.

    >>>>Action
  5. Onceler

    Onceler Member

    Joined:
    Jul 16, 2019
    Messages:
    89
    Likes Received:
    27
    Location:
    Indiana
    Thanks Action, I'll take all your advice. However, unfortunately, I can't find a RD for this car. I think my only option is to re-use it, which I'm not too thrilled about
  6. Action

    Action Moderator Staff Member Respected Member

    Joined:
    Mar 22, 2014
    Messages:
    12,644
    Likes Received:
    1,467
    Location:
    Phoenix, AZ 85008
    There may be a universal one.

    >>>>>Action
  7. Action

    Action Moderator Staff Member Respected Member

    Joined:
    Mar 22, 2014
    Messages:
    12,644
    Likes Received:
    1,467
    Location:
    Phoenix, AZ 85008
    Onceler likes this.
  8. Action

    Action Moderator Staff Member Respected Member

    Joined:
    Mar 22, 2014
    Messages:
    12,644
    Likes Received:
    1,467
    Location:
    Phoenix, AZ 85008
    Your receiver dryer is vertically mounted on the side of the condenser, correct?

    >>>>Action 71tMBPRVTLL._AC_SL1500_.jpg
    Onceler likes this.
  9. Onceler

    Onceler Member

    Joined:
    Jul 16, 2019
    Messages:
    89
    Likes Received:
    27
    Location:
    Indiana
    Oooh yes! I like that one, it even has a sight glass in which mine system doesnt have.
    I'm gonna remove mine and get some dimensions to go by. Thanks again,Action!
    Action likes this.
  10. Onceler

    Onceler Member

    Joined:
    Jul 16, 2019
    Messages:
    89
    Likes Received:
    27
    Location:
    Indiana
    Another question. I was doing some reading on the internet and it was mentioned when retrofitting to R134, the Suction Throttling Valve should be re-calibrated. Is this necessary?
  11. Action

    Action Moderator Staff Member Respected Member

    Joined:
    Mar 22, 2014
    Messages:
    12,644
    Likes Received:
    1,467
    Location:
    Phoenix, AZ 85008
    The answer is no with a but.
    (See post #9 in this thread)

    Action
    Onceler likes this.
  12. Onceler

    Onceler Member

    Joined:
    Jul 16, 2019
    Messages:
    89
    Likes Received:
    27
    Location:
    Indiana
    Ha, I forgot how much great info. Is in this thread already. I think I’ll just leave the stv alone.
  13. Onceler

    Onceler Member

    Joined:
    Jul 16, 2019
    Messages:
    89
    Likes Received:
    27
    Location:
    Indiana
    Still waiting on my RD. Question regarding correct oil amount. Here is all the manual shows. It says 10.5 oz for the compressor, is this for the total system? 9FE1ED01-B669-411D-ABCF-FEF9DC81026B.jpeg
  14. Action

    Action Moderator Staff Member Respected Member

    Joined:
    Mar 22, 2014
    Messages:
    12,644
    Likes Received:
    1,467
    Location:
    Phoenix, AZ 85008
    I can not read what is posted.

    And by far the compressor takes the most oil
    Usually you will get quantity of oil by component. Replaced that component, add this amount of oil. As oil is all through out the system.
    There may be a total amount as well.

    >>>>>>Action
  15. Onceler

    Onceler Member

    Joined:
    Jul 16, 2019
    Messages:
    89
    Likes Received:
    27
    Location:
    Indiana
    Judging by other systems oil capacities, 10.5 oz total seems right, so that’s what I’m going with for a completely dry system.
  16. Onceler

    Onceler Member

    Joined:
    Jul 16, 2019
    Messages:
    89
    Likes Received:
    27
    Location:
    Indiana
    I did find a RD that seems pretty close.Been working on flushing the components.
    098E39F1-751D-4BB4-8125-82BE353A73A6.jpeg 5CCDCAB0-085D-466F-8303-A7B367B58551.jpeg A33DC76E-6E8F-4C22-A9C0-B0B7A385DD7D.jpeg
  17. Action

    Action Moderator Staff Member Respected Member

    Joined:
    Mar 22, 2014
    Messages:
    12,644
    Likes Received:
    1,467
    Location:
    Phoenix, AZ 85008
    Wow good job on the replacement RD!

    >>>>>>Action
  18. Onceler

    Onceler Member

    Joined:
    Jul 16, 2019
    Messages:
    89
    Likes Received:
    27
    Location:
    Indiana
    The new compressor instructions say to put half the oil in the compressor, and half in the low side. Do I just pour it in the evaporator, or the hose going to the compressor?
  19. Action

    Action Moderator Staff Member Respected Member

    Joined:
    Mar 22, 2014
    Messages:
    12,644
    Likes Received:
    1,467
    Location:
    Phoenix, AZ 85008
    Either one

    >>Action
    Onceler likes this.
  20. Onceler

    Onceler Member

    Joined:
    Jul 16, 2019
    Messages:
    89
    Likes Received:
    27
    Location:
    Indiana
    I reinstalled everything and vacuumed it down. Planning to charge it tomorrow. I’ve never really messed with AC too much, so this is all a learning experience. D20AA3CC-4FE3-4CC7-8D2B-BBDCF22CE46D.jpeg

Share This Page