Question about Chevrolet Silverado 1500

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I turn on my ac & no cold air, fuse isn't blown, but the air compresser isn't working

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  • pepa4444 May 27, 2010

    i was told i might have a bad pressure switch

  • pepa4444 May 27, 2010

    thank you, i'll give it a try



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If the A/C system is low, there is a low pressure switch which will not allow the compressor to turn on to prevent damage to the compressor. The system needs to be checked with guages and filled accordingly. You can purchase a kit with a fitting to adapt a can to the system and charge it on your own.

Posted on May 27, 2010


First thing to do is check the air conditioner fuse underneath the drivers side steering wheel. Look on the back side of the cover at the diagram to see where it is located. Pull it out and replace it if you find it blown or burned out. Next thing to do is recharge the A/C with freon, if the system is low or out of freon it will not allow the compressor to turn on. If after you recharge it and the compressor don't turn on then you will need to replace the actual compressor unit.

Posted on May 26, 2010


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