Voyager AirConditioning Issue

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RIFFELLS
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2000 Plymouth Voyager, 75K, 3.3L. I am not an auto expert but will describe the problem as best as I can.

Aircompressor and blower were replaced August of 2006 (16 months ago), and ever since the compressor has "pulled" the idle. This happens only when the compressor is engaged (air conditioning button is pushed), and not when the fan is simply on. The rpms go up accompanied by a dull roar, then rpms go down, then up with a roar, and so on. The heater seems to work fine. I am serviced by a auto repair shop with the best reputation in town, but they have not been able to solve the problem. The compressor burned out in June, and was replaced a second time. They have checked for leaks again and again and assure me there is none. They have replaced the idle air control valve as per a automaker bulletin. The problem persists. Thanks for any suggestions.
Oct 22, 2007 at 12:58 PM
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2CARPRO JACK
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Does the a/c engage and dis-engage causing the idle fluxuation? or does the engine surge up and down while the a/c stays engaged?
Oct 23, 2007 at 1:11 AM
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RIFFELLS
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yes, compressor engages and disengages (blower stays on). when compressor engages, idles up with roar. when compressor shuts off, idles back down. holds idle just fine when A/C is off and only fan/blower is on.
Oct 29, 2007 at 1:25 PM
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2CARPRO JACK
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Sounds like the a/c is a littel low on charge. HAve it looked at, then when the a/c stays on the idle will remain stable
Oct 30, 2007 at 12:52 AM
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RIFFELLS
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[quote:c818d35db9="2CarPro Jack"]Sounds like the a/c is a littel low on charge. HAve it looked at, then when the a/c stays on the idle will remain stable[/quote:c818d35db9]

Seems to have fixed it! Thanks.
Nov 10, 2007 at 12:52 AM
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