Sorry about your issue. First question I have to ask is: is this leak on the pressured side of the water lines, or the drains? And have you made any use of the bathroom sink - since you said you didn’t use the shower. Do you hear your water pump cycling when no faucet is turned on, as that would indicate the leak is on the pressure side.
I ask this because in my 2018 MW 22M, I had two water line leaks, both on the drain lines, so that they only appeared when I was draining the sinks. The kitchen sink on the left leaked and it was because the large undersink washer seemed to be slightly out of shape when installed. I got a replacement at my hardware store, replaced it an it was fine. (It only dripped into the second drawer under the sink.)
The other leak was on the drain under the bathroom sink. From what I could determine, when the plumbing was being installed, there wasn’t a complete “loop” of ABS adhesive around one of the fittings, and when draining, water would drip out where there wasn’t a total seal. I was able to remove the hand tightened fittings, and put some ABS adhesive all the way around that glued seam, and it’s held ever since.
Have you checked under your bathroom sink for leaks and wetness? I know from long experience that hand tightened fittings can come loose and leak. I’m wondering if something like that is an issue here.
Please post what you find to be the source of the leak.
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Lee H
2018 Minnie Winnie 22M
1978 18’ Rear Bath Dodge Cruise Master
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