I just winterized my rig this weekend. Wrapped up all the fun with pink stuff. Promptly found a drip, then lot of water when I punctured the bulge in the chloroplast. Plenty of old dry construction dust under the shower. Need to double check, but I think I identified the anti-siphon valve above the floor. No traces of moisture above the floor thankfully.
There seems to be a flap cut into the cloroplast then taped back up. Probably under the black tank. Not sure if it's a manufacturing thing, or a previous repair. Either way I'm not relishing digging in there. Even less with it dropping down to 26f this week. There was no buzzing when I was flushing the black tank (which I did this weekend before winterizing) as I recall in previous times. I assume that was a sprayer head in the tank spinning. Noticed the different noise, but didn't think anything of it until i found the leak. Combine that with the volume of water that didn't seem nasty & I'm guessing black tank flush lines.
A cycling pump can be one of a few things:
A leak.
A leaky check valve in the pump.
Air in the lines.
I had issues with a previous check valve in a previous trailer. Annoying, but not an issue resulting in any real problems. Air can leak out where water would not & generally he annoying, but not usually a big problem. Purging the lines usually fixes it.
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