Anatomy of an RV Water Leak

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Postscript to Anatomy of an RV Leak

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My wife said that I’m “fearless” when I do RV repairs. On the other hand, I’d describe my attitude as something between the OZ’s Cowardly Lion and a bull in a China shop.

Anyway . . .

On our last (actually our first) Sea View RV outing, I noticed water leaking into one of our motorhome’s basement compartments. At first I brushed it off, hoping it would just solve itself and go away, but the water just kept a coming.

So when we returned home after our outing, I decided to try tracking down the cause of the water leak.

Here’s the story . . .

DISCOVERY

THE FIRST CUT IS THE DEEPEST

The leaking water lines ran underneath our shower tub and were pretty much inaccessible.

At first I thought the leak was coming from one or both of the basement 90-degree water line connections. But I wasn’t sure, and even if these connections were the cause, I couldn’t access them.

So . . .

THE SECOND CUT WAS A LOT EASIER

Now I knew that the leak originated under the shower tub . . . somewhere.

I decided to make another inspection hole so that I could see under the tub near the shower faucet . . .

FOUND THE LEAK!

To pin down the exact thing that was leaking, I figured the leak had to originate in the shower controls.

THE FIX

Originally, I did not want to attempt to fix the leak. We are leaving on another RV trip this Wednesday, and I didn’t want to do anything that would put our Sea View out of action.

But what the hell . . .

So, I needed to remove the leaking fitting and replace it with another. Easier said than done.

First, remove the shower head controls. No problem.

Next, remove the leaking fitting (a 1/2″ PEX elbow). Dicey. I used my Dremel tool with a rotary cutting head.

Finally, enlarge the shower head control opening so that attaching a new fitting wouldn’t be a problem.

CLEAN UP

Patching those holes . . .