As for trying to locate your water leak, try spraying everything under the sink with a dry powder (Baby powder) or the like. That will show where the leak is coming from. My 2014 Thor Chateau fwd sink was leaking, and CW did the plumbers putty trick. Every time my wife did the dishes, she ended up with plumbers putty on the dishes. So, I removed the drain, removed the plumbers putty and installed a rubber gasket in it's place. No more leak and no more mess.
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