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In 1992 GM was still using R-12. A VERY expensive thing to have charged these days. And certainly not doable for a DIY'er as you need to be licensed to even get R-12. The easiest and cheapest way is to get the retrofit kit to convert your car to R-134a. It's about $45 at AutoZone and includes compressor oil, freon, fittings and the charge hose. Now...the "recommended" way to do the conversion is to replace the compressor, filter/dryer, rubber o-rings, etc. I have converted several cars using nothing more than the kit and they've lasted for years.....but I make no guarantees.

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13y ago
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Q: How do you recharge the AC in a 92 Chevy Lumina?
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