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AC problems, no gauge movement

Discussion in 'A/C & Heater systems - HVAC' started by Badgrandpa, June 2, 2018.

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  1. Badgrandpa

    Badgrandpa New Member

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    City, State:
    Spring, Tx
    Year, Model & Trim Level:
    2001 Ford Ranger, 2.5l,
    My 01 rangers ac clutch activates and pulls in, but there is no movement whatsoever on my guage, it remains at the pressure I start with. Is it possible that even though that clutch pulls in the compressor still won't work. What do I need to do to fix this.
     
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  3. plasticseng

    plasticseng Active Member

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    Does the engine noise indicate a change in load when the clutch kicks in? What do the gages read?
     
  4. Badgrandpa

    Badgrandpa New Member

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    2001 Ford Ranger, 2.5l,
    The engine is not making the tell tale noise that the ac would make when it kicked in. My pressure just stays at 90. No movement whatsoever
     
  5. RangerNutt

    RangerNutt New Member

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    Key question: How long is the 'on' cycle?

    If several seconds and low-side pressure doesn't drop, I'm guessing the compressor is done. Also noted no pressure change in my case, but compressor was quick-cycling and cooling was proportional to cycle time. This led me to believe (correctly) that nothing was wrong with the refrigeration system. Turned out to be a bad high-pressure switch.

    (Please post your result. ...and co$t.)
     
  6. shucker1

    shucker1 Elite Explorer

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    Year, Model & Trim Level:
    98 XLT 5.0
    Is there any "Sweat Back" on the return line from the evaporator to the accumulator?

    You say the clutch pulls in? You hear it click.

    Clutch plate straps could be broken or the clutch plate is burned out.

    Clutch itself and carrier bearing can be replaced but it is more cost effective to buy the compressor kit.
     

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