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Re: 2014 Silverado 5.3 MYSTERY REFIRGERANT LOSS--TRANS COOLER?
Posted to HVAC Forum on 3/11/2019

Hi Don, we have used dye and sniffers over the years and still do too. When ever we are frustrated to find the leak with those method we fill the system with nitrogen to 300 psi. For us, that has been a never fail to find the leak, especially the tiny leaks. S... Login to read more.