Question about 1999 Dodge Dakota

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A/C not working, only ambient temp air when turned on, not cool or cold at all

The A/C on a 1999 3.9L dakota sport not working how do I troubleshoot and fix?

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  • yadayada
    yadayada May 11, 2010

    the 1st thing u do is hook up a set of AC pressure gauges and see what if any refrigerant is left in the system, the the compressor run? check to see if there is 12 volts at the AC compressor connector with the AC turned on? if the sytem charge is low there will not be any power to the compressor

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First check to see if you have enough coolant. If you are sure of this, The clutch to the air conditioner may not be kicking in when it should. This may be caused by the air gap being too large.

Carefully take the clutch off of the front of the AC unit being careful not to drop the 3-4 bolts. Behind it you will see a spring clip with spacers. By removing one of the spacers, it makes the gap between the clutch plate narrower so that the electromagnet can engage the clutch. This worked on my 1997 Dakota. Air would kick on and last for 15 minutes before it would smell musty. I would wait for another half hour then turn on again. The clutch was disengaging. May or not work for yours.

Posted on Jun 16, 2009

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