A flare fitting does not use any sealant on the threads because the threads are not where the gas is controlled, the flare is the seal. If the fitting can not be tightened enough to stop the leak, it must be replaced.
These fridges are really heavy. I assisted a mobile tech to remove our fridge some years ago for a cooling system replacement, and partly due to the location of the fridge and the rest because there isn't any real good place to grab hold of the fridge, it is difficult to move them.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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