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I have an '18 Silverado and I am also a victim of the AC condenser leak.  Mine has the new 1234yf coolant (that is EXPENSIVE)- I am about to swap out the condenser and was wondering if anyone had back converted to the R134a?  I was going to do the UV test, but finding 1234yf UV test isn't easy- especially when what I have found is the regular threaded cans (not reverse thread like the 1234yf cans).  Any input is helpful!

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I had a 134A system in my 2014 and that AC system broke if you looked at it wrong. My yf system has been PERFECT.

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