I need HELP!!!: Tank level lights inaccurate!

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Tank level lights inaccurate!

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Category: R-pod Discussion Forums
Forum Name: I need HELP!!!
Forum Discription: Perplexed/need help with a problem - ask here
URL: http://www.rpod-owners.com/forum_posts.asp?TID=11916
Printed Date: 09 May 2025 at 10:08pm
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Topic: Tank level lights inaccurate!

Posted By: Jholler
Subject: Tank level lights inaccurate!
Date Posted: 16 Jul 2018 at 8:37pm

New to me 2015 179, the 12v water pump seems to be sucking air when my fresh water tank gauge shows 1/3 tank still remaining. Is there a way to recalibrate these sensors? No idea yet if the black and gray sensors are accurate.

Replies:

Posted By: Tars Tarkas
Date Posted: 16 Jul 2018 at 9:06pm

Those lights/sensors seem like they ought to be a good idea but they are useless. You just need to learn to judge levels for yourself. It's not too hard after a while.

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2010 176
FJ Cruiser

Posted By: furpod
Date Posted: 17 Jul 2018 at 7:55am

Tank monitor lights are hokum. If the pump was running fine, and now isn't odds are good you are out of water.. With experience, you will learn to ignore those lights, and have a solid feel for the actual status of your tanks..

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Posted By: StephenH
Date Posted: 17 Jul 2018 at 8:25am

If you look where the line comes out of the tank, you will see that it is above the bottom of the tank. As the tank empties and the water level nears the level of the hose, it can start pulling air if it creates a little vortex. The water may still be an inch or two above the hose, but it can still pull air.

Why the tank is not made so the water draws from closer to the bottom is beyond me unless it is so that any stray sediment can settle in the bottom of the tank and not get pulled up into the pump.

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StephenH
Happy is the man that findeth wisdom,...

http://www.rpod-owners.com/forum_posts.asp?TID=7712 - ouR escaPOD mods
Former RPod 179
Current Cherokee Grey Wolf 24 JS

Posted By: Jholler
Date Posted: 17 Jul 2018 at 11:13am

Yeah, I'm familiar with pump cavitation lol,been fighting fire for 18 years. You know, if they would put a ping pong ball or a wiffle ball in the tank during manufacture, that would disrupt the vortex and prevent cavitation. Hmmm...wonder if I could get a patent? 😀

Posted By: Awchief
Date Posted: 17 Jul 2018 at 2:09pm

Simply put, they lie.

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Michael