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Old 10-02-09, 08:13 PM   #1 (permalink)
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air conditioning and idle problems

I have a 90 acura legend. We replaced the compressor it gets cold but never
shuts off the ac button light never has worked. Also it will blow snow at me
when I turn it to outside air. It also blows warm air part of the time and then the blower will barely blow at other times. I have problems with the car dying when the
compressors is plugged in but not when it is unplugged. I would like to know what is the cause of these problems so we can get this fixed but don't know where to start.

Last edited by avon; 10-02-09 at 08:18 PM. Reason: left out some problems
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Old 10-11-09, 04:23 PM   #2 (permalink)
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Location: Western Canada
Posts: 1,290

Car 1: 1989 Sedan L. and 1990 Sedan LS
Car 2: 1991 Sedan L

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Sedan or coupe? Could be something as simple as the "rad fan control unit" (Acura part#37735-PH7-0230 ...about $170) ...on sedans, its located under the dash, directly above the gas pedal. About the size of a pack of cigarettes. Also, since you have already replaced the compressor, you might check to see that everything (wiring) has been reconnected properly. If its sucking in outside air directly, you may have a disconnected or broken vacuum line that controls the position of the internal flaps that direct air flow.
The Service Manual has a very comprehensive trouble shooting section for the A/C system. If you can't find it online, PM me and I can send you jpg or PDF files.
1990 Cobalt Blue Pearl Sedan LS w/JSP-92104 spoiler, Bose Stereo w/single cd player, plus FM Honda 6-disc changer in glove box. Automatic, 268,000 kms, original drivetrain, stock size tires. 1989 Ebony Black Metallic Sedan L Auto. Integra AM-FM cassette head unit, and Honda 6-disc changer in glove box. Stock size tires. Original engine threw a connecting rod mid-Feb, 2007 at 380,000 kms. JDM swap-out July 1, 2008. Car still off the road pending serious body work on rear quarter panels.
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