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How do you charge ac in 98 silverado?

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Wiki User
February 24, 2008 4:53AM

Go buy a can of R-134a and the hose that has the quick release for the low side. Napa would have this. You hook this hose into the low side and hold the can upside down until the compressor starts because it now has enough freon to run. Check how cold the air is now. If it does not feel around 50 degrees then add more freon with the bottle facing up so as not to slug liquid into the compressor.