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International Automotive Technicians Network
Re: Large Freon leak
Posted to HVAC Forum on 3/27/2023

I leak test with nitrogen. No need to run the vehicle. Pressure can be set up to the max for the system to force a leak. A Micron gauge will prove the system not leaking before refilling. The Micron gauge likely costs less than the r1234yf to refill it. Consid... Login to read more.