A/C Not Cooling? FIXED! Tips and Tricks which will help with many cars on a Nissan Frontier

My 2004 Nissan Frontier has been hot for a couple years now. I've been driving more lately, and I'm getting pretty motivated to get it fixed.

I bought a set of manifold gauges to see what's going on the high and low side of my R134a A/C system. I bought a venturi purge device because it was the cheapest vacuum I could get. Plus, cheap motors die, and using one that uses my air compressor is actually a lot more reliable. It's important to do this, because moisture really messes up A/C systems and when you vacuum a system down, it lowers the boiling point of water below room temperature and it boils off all the water.

Please be safe when working with A/C! I didn't find my gloves, but you should wear gloves as refrigerant could give fingers instant frost bite if it escapes over your fingers. It's happened to me with gloves on a few times.

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