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Author
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Topic: A/C pump does not cycle on
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1svtcobra
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Member # 1352
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posted
 
 
My Air Conditioning on my 98 Cobra was working fine today then it just stopped blowing cold. I can tell the clutch on the pump is not engaging. Checked all fuses under dash seem to be fine. Any ideas what this could be. It has done this once before but it started working again on it`s own. What controls the clutch on the A/C pump to come on.
Posts: 12 | Registered: May 2002
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Milesblown03
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Member # 27
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posted
Refridgerant pressure can cause the clutch not to come on. You might have a pressure switch thats not messed up, refridgerant charge too low (although i doubt its this, if it did it before and started working again). You may want to check for leaks just in case, just to eliminate that possibility.
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99 honda 996 superhawk...
03 cobra:422rwhp,399rwtq (before pulley)
New best,12.07@119.9(!!)mph on nittos (cant drive to save my life!)
Posts: 1002 | From: Hayward, CA | Registered: Jun 2000
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ihatethesesns
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Member # 684
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posted
hey Miles do you know of any good places in livermore to have my a/c check out? I dont know if i have a leak or just need a refill, but finding out this weekend that I have no ac sucked as I was going out to mantweeka.
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" Friends come and go but enemies Accumulate"
'Fight Crime Shoot First'
Posts: 1283 | From: Toy Shop | Registered: Dec 2001
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Milesblown03
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Member # 27
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posted
Nah, i dont know of any good places. Look in the phonebook for AC places.... should be alot of them. Does it not work at all, or just doesnt blow cold? How often did you use it before?? One problem with this area, is that most of the year, its too cold for ac, so people dont uses it. then, when it gets hot all the sudden, people try to use it, and it doesnt work. Why? The seals in the A/C system dry out, because it isnt used, and eventually start to leak. Youre supposed to run the AC at least a few times a month, to keep the seals lube, so they dont dry out... just a word of advice.
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99 honda 996 superhawk...
03 cobra:422rwhp,399rwtq (before pulley)
New best,12.07@119.9(!!)mph on nittos (cant drive to save my life!)
Posts: 1002 | From: Hayward, CA | Registered: Jun 2000
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ihatethesesns
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Member # 684
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posted
yeah I just picked the car up at the end of last aug. so havent really used it. Never thought about the whole seals thing, Will have to start doing that.
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" Friends come and go but enemies Accumulate"
'Fight Crime Shoot First'
Posts: 1283 | From: Toy Shop | Registered: Dec 2001
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Floden
New Member
Member # 1353
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posted
Check for 12v at the clutch harness, and a good grond. if you do not have 12v at the clutch, check for 12v on the high and low pressure switchs. Another way to check this is to unplug both the high and low pressure switchs and jump them with a paperclip folded in half. Then check for 12v at the clutch. If you have 12v and the clutch still does not come on, the clutch is bad. but if it does come on; either your low on freon, one of the two pressure switchs could be bad, or the 12v signal from the controls could not be there(blown fuse). E-mail if you have any quetions.
Posts: 2 | From: Sacramento | Registered: May 2002
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