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AC Compressor intentionally releasing Refrigerant?

Discussion in 'Stock 2002 - 2005 Explorers' started by djsky717, October 18, 2019.

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  1. djsky717

    djsky717 New Member

    Joined:
    January 30, 2015
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    Location:
    Los Angeles
    City, State:
    Los Angeles, CA
    Year, Model & Trim Level:
    '05 Ford Explorer XLS 2WD
    Yesterday I heard a quick and strange noise after pressing the AC button while cruising.

    When I got home and opened the hood, I noticed the back of compressor and hood underside was coated with refrigerant. Then out of curiosity I turned on the AC again and it was ice cold and ran fine.

    Now, I normally turn on the AC while idling, but in this incident I did something different which was turning it on while cruising (~2,000 rpm or so).

    So my guess is the high-side pressure had probably spiked when the compressor was engaged at a higher rpm, therefore causing the pressure relief valve to activate.

    Has something like this happened to you guys?

    BTW, I hook up the AC gauges and while idling I'm reading 35 psi low-side and 200 psi high-side at 85F ambient temp, so those numbers are within spec.
     
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