98 windstar A C problem

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  #1  
Old 07-06-08, 04:36 PM
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98 windstar A C problem

Hey guys, my 98 windstar A C blows hot air and the Clutch clicks in and out. I checked the system for Freon and its fully charged. What could be the problem? Is there a inexpensive fix? thanks
 
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  #2  
Old 07-06-08, 05:17 PM
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How often does the clutch cycle? You say it is fully charged... What are the pressures while the clutch is running?
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Old 07-06-08, 05:31 PM
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Originally Posted by billys68ss View Post
How often does the clutch cycle? You say it is fully charged... What are the pressures while the clutch is running?
Billy
I'd say the clutch cycles about every 10 to 15 seconds. The pressure reads between 20 and 40 PSI when the clutch engages. When the Clutch engages the PSI goes up to 40 then when it stops the PSI goes down to 20. It goes back and forth.
 
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Old 07-06-08, 06:18 PM
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OK..........Now we know the low side pressures..........Now what are the HIGH side pressures???????..........High side should be reading @200-240 psi depending on ambient temp.
If your high side is hitting those numbers and the low side drops to 20 psi and the low pressure switch does its job and shuts down the compressor, you have a blockage at the orifice tube...........
If the High side does not read those pressures then you are NOT fully charged
 
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Old 07-06-08, 07:13 PM
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So I assume you are unable to check the high side pressure? Generally the low side pressure should be between 30-40psi when the compressor is running. When the compressor is not running the pressure should be somewhere near 100psi. If the pressure is dropping like you say it is then you have problems.
Billy
 
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Old 07-06-08, 08:11 PM
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Originally Posted by billys68ss View Post
So I assume you are unable to check the high side pressure? Generally the low side pressure should be between 30-40psi when the compressor is running. When the compressor is not running the pressure should be somewhere near 100psi. If the pressure is dropping like you say it is then you have problems.
Billy
Yea, i gotta get a new gauge to check the hige side pressure. So if i check the high side and its OK but the pressures still dropping what my solution?
Help!
 
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