Question about 1995 Ford Windstar

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AC blows no cold air.....I have added A134 and pressure reads arond 100 but no cold air..could the pressure switch be bad?? If so how do you know?

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  • bpanning Aug 02, 2010

    Yes it kicks in

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My A/C is not working properly when set on cold setting warm air flows . I checked the bypass switch and my A/C clutch is working and the freon levels are on the dealers specs what else can it be ?

Posted on Aug 03, 2010

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  • Ford Master
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Is the compressor coming on,ie clicking on and then turning,have a look

Posted on Aug 02, 2010

  • Colin Stickland
    Colin Stickland Aug 03, 2010

    well the Ac should have 200lbs minimum so i would think the problem is the restrictor valve ,or the compressor but i would need to hook my machine up to it find out .check the compressor and on the end is two pipes the thin one is the high pressure outlet ,if this pipe is getting hot then it should work but if its not then you have a problem with either the compressor or the valve on the evaporator ,or the in laymans terms the cab radiator

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BOTH readings should be checked to have a better idea of what is going on with an AC system but based on the limited information… the compressor is not engaged or is not pumping. Below are some things I would check;


1. Check the high and low gauge readings with the AC on & set on MAX/Recirculate, middle vents with the engine at 2,000 RPM’s, blower speed on high.


2. Check the vent temperatures with a thermometer from the middle vents, far right & far left vents?


3. What is the outside temperature at the time the readings were taken?


4. Check to see if the condenser fan blowing strong?


5. Notice if compressor clutch is cylcling excessively.


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