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2000 Chevrolet Silverado 1500 Question: A/C Problems



Limbo, 4.8L V8, Alexander City, AL, July 03, 2009, 14:23

If I have Low pressure showing on the gauges what next?

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  • Answer #1

    July 03, 2009, 17:42

    You need to add R-134 until the pressures are correct. The system is low. The low side gauge should be cycling around 40-45 psi and then down to about 25. it should go back and forth. This is on a 80 degree day.

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