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Why doesn't the A/C work?

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Old Jul 9, 2003 | 03:23 PM
  #1  
Aaron91RS's Avatar
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From: St. Louis
Car: RS
Engine: LS1
Transmission: T56
Axle/Gears: 9" for the ladies
Why doesn't the A/C work?

It blew warm air even after I added freon so I figured the compressor might be out, so I took the old one out. It definitly had pressurized freon in it when I unbolted it.
Put in the new compressor. While I was recharging it with R134a it would blow cold air, from the can decompressing. But now it doesn't work!
Why not it has a new compressor and freon in it? The A/C line doesnt get cold like it should.
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Old Jul 9, 2003 | 04:06 PM
  #2  
prOject-IrOc's Avatar
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Joined: May 2003
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From: Gilbert
Car: 1990 Iroc-Z
maybe you have the same problem as me...

the little wire plug that plugs into the compressor on mine has a short in it. if the car is running, and the ac compressor is not spinning (not the pulley, the whole compressor), if i get out and wiggle the plug, the compressor will kick on. i sprayed some wd40 on it and it worked for awhile, but i need to just replace the plug.

hope this helps. good luck.
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Old Jul 9, 2003 | 04:44 PM
  #3  
Aaron91RS's Avatar
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25 Year Member
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Joined: Jul 1999
Posts: 876
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From: St. Louis
Car: RS
Engine: LS1
Transmission: T56
Axle/Gears: 9" for the ladies
I think thats working. The clutch is engaging/disengaging.
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Old Jul 9, 2003 | 05:58 PM
  #4  
mystikkal_69's Avatar
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From: San Antonio, TX
Car: 1988 IROC-Z
Engine: L98 (350 TPI)
Transmission: MD8 (700 R4) + 3.42 LS1 Rear
it maybe low on freon. it could be that the expansion device(orifice tube) is clogged. you may first want to check there. your supposed to vacuum the system before you charge it. you know that right?
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Old Jul 9, 2003 | 08:58 PM
  #5  
Rage13's Avatar
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Joined: Apr 2002
Posts: 901
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From: Pembroke Pines, FL
Car: 89 Firebird
Engine: 305
Transmission: T5
check the condinser coil, mite be something covering it.. and like mystikkal said, make sure you vacuum the system, if you don't it will always cause you problems till its done right...
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