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Thread Tools | Display Modes |
09-06-2002, 09:16 AM
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#1 |
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Registered User
Join Date: Jul 2000
Location: NC
Posts: 987
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AC expansion valve question
How do you tell if the AC expansion valve is bad? Thanks...
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09-09-2002, 10:24 AM
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#2 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Try this site:
www.aircondition.com There are other links at the site, but try clicking on: " Basic air condition operation", for a description of the system in a car. I am not sure how to test the expansion valve, but it controls the flow of freon based upon temperature, so the ac will not work when it is bad. Jim |
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09-09-2002, 10:41 AM
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#3 |
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Senior Member
Join Date: Jun 2000
Location: yucaipa ca
Posts: 580
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watch your gauges. if low side is sucking into a vacuum or both low and high side pressures are high you have a bad expansion valve. i am assuning you are using gauges.
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09-09-2002, 09:11 PM
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#4 |
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Registered User
Join Date: Jul 2000
Location: NC
Posts: 987
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Well....ummmm....no....I am kind of doing this by the seat of my pants....wishing for some luck here. Thank you for responding.
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