AC not blowing cold air - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 05-27-2011
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AC not blowing cold air

After winter I was turning on my AC and noticing it doesn't blow cool air. I do know the compressor is kicking in when the AC is turned on, just no cold air. But that's all I've ruled out, I'm not sure what else to look for as far as problems or leaks go.

Any help would be appreciated.
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Old 05-27-2011
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might just need the system recharged...do you ever remember having it recharged?
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Old 05-27-2011
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I had one of those little charge it yourself systems a while back, but I don't know how good those are.
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Old 05-27-2011
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theyre not the greatest out there...pick another one up and see if it gets/stays cold...if not youre gonna have to take it someplace that can leak test ac systems and go from there
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Old 05-27-2011
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Alright, will do. Thanks!
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Old 05-27-2011
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ac systems are sealed systems meaning they should not leak so unless its a control problem it should blow cold. therefore u probably have a leak somewhere.
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Old 05-27-2011
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Check the pressure before adding refrigerant. Some of the kits have a gauge that will show you were you stand. I need to add some every 4 years or so just to stay in the green.

Also check to make sure you still get heat, as the blend door can become stuck or broken in the middle somewhere not giving you anything but one setting.

Another thing to check is too see if the ac gets colder if your cruising above say 30. If it does than you have a broken/worn out clutch on the fan.
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Old 05-27-2011
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I remember the heater working fine during the winter, I'll check it though. And the fan should be fine since it's an e-fan, although it doesn't come on until the engine is nice and warm, but the a/c is still cold at that point.

I got a bottle to refill it, I'll let you know how it works out.
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Old 06-21-2011
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I got a refill bottle which didn't work so well and it still wouldn't come on. I had a similar problem last year with the compressor not getting power and got it fixed (apparently a wire got sheared near the firewall). So I took it to the mechanic who found the evaporator core has a big leak. He wanted $550 to fix it all so I'm just going to replace the core myself and then get him to fill it up with freon.

So to replace the evaporator core. It's right next to the firewall in the black box looking thing, correct? Also is there anything I need to be sure to do when replacing it?
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Old 06-21-2011
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nope pretty straight forward. i think i removed the windshield wiper fluid resevoir and the cruise control servo for better access to it, theres several bolts to the box on the outside then u can open it i believe and pop the evap core out

edit: didnt notice urs is older, may be a bit dif
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Old 06-21-2011
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It looked pretty easy, just take off the side of the box, unbolt the connections and pull it out. Thanks!
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Old 06-05-2016
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That's what's going on with mine. On May 31st during lunch I took a nap in the truck with AC on. When I went home later that day I noticed right away it wasn't blowing as cold as normal. Caused me to turn it to Max and it still seemed not that cold even when going well over 30.I put it back on regular settings and get some what cold but was way colder last weekend and previous. I'm gonna try recharging it and see how that goes.
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Old 06-05-2016
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at's what's going on with mine. On May 31st during lunch I took a nap in the truck with AC on. When I went home later that day I noticed right away it wasn't blowing as cold as normal. Caused me to turn it to Max and it still seemed not that cold even when going well over 30.I put it back on regular settings and get some what cold but was way colder last weekend and previous. I'm gonna try recharging it and see how that goes.
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