Where's my glycol leak coming from

Jeff92 · December 18

I just purchased a 2016 tab 320 and when I got home I noticed a decent drip from the rear. The next morning it was still dripping and I looked inside at the glycol level and the tank was empty. It was a 5 hour drive home and everything was tested working before the purchase. This is my first trailer and I'm new to the alde system. I checked the drain plug and it was there and definitely not leaking from there. Its leaking in the center where there are two bolts that come down and dripping from those. I went inside and looked on the floor under the cushions and couldn't find and sign of a leak. Where could this be coming from and am I just not looking hard enough on the inside. Any help would be appreciated.

AnOldUR · December 18

Looks like the bolts where the spare tire was mounted. That's not much help to you, but it could just be the place allowing the glycol to escape. The leak could be at any of the connections or bleeder valve and draining to that low point. If you don't see any indication opposite those bolts or elsewhere, you might try adding distilled water to the system to find the leak rather than wasting more glycol.

Sharon_is_SAM · December 19

A common area of glycol loss is the auto air bleeder, but that has a hose that would move the glycol to a tube under the TaB. Unless you sprung a leak in the rear glycol hose, I can’t imagine an Alde leak that doesn’t’t reveal itself under the bench.

Jeff92 · December 21

If the auto air bleeder leaks where does it leak to? Does it leak under the bench? Or does it leak by dripping outside similar to mine?

Jeff92 · December 21

I found the leak i put a little distilled water and napkins everywhere and found it coming from one of the hose connections on the expansion tank. It didn't take much water or time to find it.

AnOldUR · December 21

Those outlets for the expansion tank have been known to leak and break. Mine started as a crack that leaked. When I removed the hose it broke of entirely.

Image: https://us.v-cdn.net/5021717/uploads/editor/i1/a1ya3h8zhyn2.jpg

Jeff92 · December 21

Thanks for both tips with the water and checking for a crack. I inspect it with a mirror. I know for sure right now the hose is only halfway on one side some I'm hoping it just worked it's way down. Those hose clamps are a pain to loosen.

Jeff92 · December 21

Sure enough there was a small crack.

Sharon_is_SAM · December 21

Ok. Easy fix! Glad it wasn’t the boiler!

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Where's my glycol leak coming from

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