Tony S. Posted July 29, 2023 Share Posted July 29, 2023 I own a 2000 Lexus RX300 and the AC hood label says to use HFC 134a refrigerant in the AC. What are you supposed to use now since HFC 134a is banned? Quote Link to comment Share on other sites More sharing options...
Lexus Owners Club Posted July 31, 2023 Share Posted July 31, 2023 There are three replacement gases for R134a: R-1234yf, R-152a, and R-744 More information here: https://www.techtownforum.com/knowledge-base/what-is-r134a-refrigerant-replacement/ Quote Link to comment Share on other sites More sharing options...
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