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Old 12-10-2022, 02:43 PM   #1
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Freshwater tank leaking

I have a 2004 Fleetwood Expedition 39N and live in Houston and
last year we had a BAD freeze and now I now have small leak in my freshwater tank area. I have looked all over under the chassis and I can't se the tank. It looks like its between the frame rails and below the floor and above the lower floor pan. I have seen some posts that say you need to cut the floor in kitchen area to get to tank or tanks. Does anyone have any knowledge about freshwater tanks leaks on this type of RV?
THANKS
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Old 12-10-2022, 05:19 PM   #2
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Let all pump pressure drop does it still leak? Do any pressure lines double back toward the tank. My bet fresh water drain line or feed to pump . The drain may be teed off the feed line. Both are easy to freeze if you don't keep drain line open, a shift of MH may push residual water in the line to freeze later.. They are low closer to outside cold than most other lines. The feed line may leak in air in as pump is running and make it difficult to pump up pressure. Test that theory with low amount of water in the tank ,so there's less inlet fill pressure..
Not sure of your rig I have doors that do open but have to be unbolted from under side. Some coaches have basement pods that can be removed and may have stuff to access behind them.
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Old 12-11-2022, 02:48 PM   #3
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If your tank was absolutely full and it froze, I would believe it's the tank. I suggest a line or fitting cracked as suggested above, and water pumps are notorious for exactly that. You can try airing it up with everything closed and see if you can detect it that way. I think you should be able to drop the panels underneath to get at the tank I can't believe they would build a vehicle that was expected to never replace the water or waste tanks.
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Old 12-14-2022, 07:33 AM   #4
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There are inspection plates on the frame rail. Do not cut floor!!!!
I will try and find blog for this problem.
Basketball
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Old 12-14-2022, 07:39 AM   #5
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Look in the Fleetwood section blog.
Freshwatewtankaccess/repair

Posted by rkdillinger or Basketball
Great info
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Old 12-14-2022, 07:54 AM   #6
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It is in the Fleetwood owners form/blog. Has pictures also
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Old 12-18-2022, 08:40 PM   #7
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Larshanson

Did you find the blog?
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Old 12-19-2022, 08:03 AM   #8
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In just found the thread on freshwater tanks

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Old 12-19-2022, 07:45 PM   #9
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Keep us posted on what you find.

Could be easy fix.
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