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A/C Compressor question! Please Help!!!!!

Old May 2, 2004 | 02:19 PM
  #1  
jhiz's Avatar
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From: oxnard, ca, usa
Default A/C Compressor question! Please Help!!!!!

HI there, I have a 94 civic LX, bone stock. I have a quick question regarding the AC Compressor. The AC Compressor clutch engages fine only when the car is cold and not warmed up. After the car is warmed up and when i switch the AC switch off, and then on again, the clutch will not engage.
Now when the car is warm and the clutch does not engage, I placed 12v directly to the compressor and the clutch engages fine and it blows cold as it should. what could it be? i checked the relay by switching the ac fan relay(same part number according to honda) and it does not engage. the fan works fine with EITHER relay.

ofcourse, with the clutch not engaging the car blows warm air.


btw: when the car is warmed up and I try to turn the AC on (the clutch doesn't engage), I tried to jump the thermo switch right below the relay to see if it would turn on, but still no luck...so it can't be the thermo switch.

please help
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Old May 2, 2004 | 02:32 PM
  #2  
techer's Avatar
 
Joined: Feb 2004
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From: laramie, Wy, US
Default Re: A/C Compressor question! Please Help!!!!! (jhiz)

could be an intermitant heat induced open circuit. try running a new wire from relay to compressor. also, just in case make sure you have the right thermoswitch.
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Old May 2, 2004 | 05:47 PM
  #3  
jhiz's Avatar
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From: oxnard, ca, usa
Default Re: A/C Compressor question! Please Help!!!!! (techer)

which wire is the one that goes from the compressor to the relay??? is it the red skinny one? i know i should just open up the wire loom and look for myself, but i thought i would just ask
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Old May 3, 2004 | 09:36 AM
  #4  
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Joined: Feb 2004
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From: laramie, Wy, US
Default Re: A/C Compressor question! Please Help!!!!! (jhiz)

couldnt tell you off hand, check for the wire that recieves b+ when the clutch engages.
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Old Jun 8, 2004 | 05:14 AM
  #5  
rdmcclung's Avatar
 
Joined: May 2004
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From: Unionville, IN, USA
Default Re: A/C Compressor question! Please Help!!!!! (jhiz)

Did you ever figure out the problem? I have a 91 civic that does the same thing and I am trying to fix it.
Thanks,
Bob
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