AC Problem

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  #1  
Old 04-13-07, 04:41 PM
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AC Problem

I have a 1998 Ford Ranger. The A/C is stuck on heat and won't switch to cool. Could this be a bad tstat or switch?
 
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Old 04-13-07, 04:44 PM
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Could be quite a few things. First thing to check - does the compressor engage when you turn the a/c on. If it does not, could be an electrical problem (check fuse for starters) or you could have a low refrigerant charge; some systems will shut off if the refrigerant is low. If the compressor engages when you switch on, check the two lines coming from the compressor; one should be hot and the other cold; if both are luke warm - low refrigerant or possibly compressor bad.
 
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Old 04-13-07, 04:52 PM
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The control panel on the ac also will not switch to vent it will only stay open on the heat section. The compressor does engage. Any other ideas? Thanks.
 
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Old 04-13-07, 05:03 PM
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tweeter it sounds like your diverter blend door door driver has failed this was a common problem on some of the Ford explorers. If set up like the Explorer (most likely identical) this link may help I certainly hope this is not against the rules if so saturn apologizes http://www.blenddoorfix.netfirms.com/
 
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Old 04-13-07, 05:38 PM
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No problem linking to specific info on other sites, Saturn. That's a very nice web page.
 
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Old 04-13-07, 06:55 PM
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Wish I originally had a detailed procedure for my wifes Stratus when her blend door actuator went out.....oh well...

anyways,

he could take a look and see if the door actuator is actually moving when he selected the colder temp. If no movement, then it's the control panel or actuator like Saturn said.
 
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