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08-05-2020, 12:49 PM
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#1
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Junior Member
Join Date: Aug 2020
Location: La Mirada
Posts: 4
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Gray water leaking into underbelly - help!
We have 2008 Passport 245RB. Second owner, purchased from a friend three years ago.
Last weekend we noticed very little gray water draining when we dumped at the site, yet we found the shower had water backed up. Then when dumping for our final, my husband noticed a lake under our trailer, and the underbelly was severely sagging. . Fortunately it appeared to be gray. We drilled a relief hole, but now we need to drop the underbelly to find and fix the source of the leak.
So what would you suggest be the first place to check? I've read the P-trap could be cracked, the tank itself could be cracked. We've had the underlayment down before to fix the soft floor issue that seem so common in this trailer, so we know to do that to check under there. But from memory, my husband doesn't remember seeing any plumbing hardware visible back there because of the tanks. I'm thinking we're going to have to drop the tanks to get to the shower drain hardware.
With the volume of water we had, and the amount of dishes I didn't do, I'm assuming the source of the water was the shower. We haven't seen an access panel to get under the shower to check. In fact, when we wanted to change out the shower controls and everyone said there is a panel to access it, we coudlnt' find one and were eventually told by Keystone that we'd have to dismantle the whole shower to change it out -- so that's not happening.
So any advice? And if you can direct me to where I could find a schematic for the floorplan of my trailer, I'd be eternally grateful.
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08-06-2020, 10:19 AM
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#2
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Member
Join Date: Oct 2017
Location: Regina
Posts: 64
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We had this happen in our 5th wheel. The drain had come off of the shower and needed to be reattached. You might want to check that. The tech ended up putting a “T” brace under the shower as the floor of the shower flexed too much.
__________________
2018 Cougar 344
2014 Ford F-350
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08-06-2020, 10:30 AM
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#3
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,350
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Welcome to the forum
First off, you won’t find any schematics. I would start by dropping the underbelly and then run the faucets and shower one at a time. That way you can hopefully pinpoint the leak, and then plan your repair.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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08-06-2020, 10:44 AM
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#4
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Senior Member
Join Date: Dec 2018
Location: grand rapids
Posts: 596
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start with dropping the bottom and looking for where the water is coming from. Until that time we all can only guess.
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08-07-2020, 06:51 PM
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#5
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Junior Member
Join Date: Aug 2020
Location: La Mirada
Posts: 4
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Soooo dropped the underbelly, and there is a crack in the grey tank. Husband started to drill to stop the spread, and it cracked bigger. We have a crescent shaped crack at this point. He wants to try to ABS weld it. I feel like we’re trying to sew a spiderweb, as all the plastic has become brittle (it was previously stored in the desert sun) and we’ve been replacing it. I’m looking up tank suppliers, but without a model number, that’s difficult. Any ideas? Also, there were no straps, just a ledge that the tank appears to rest on each side. Is that normal? I thought all tanks had straps.
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08-07-2020, 06:53 PM
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#6
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Junior Member
Join Date: Aug 2020
Location: La Mirada
Posts: 4
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I need to haul it up to Modesto and have you work on it!
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08-07-2020, 06:57 PM
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#7
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,350
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Quote:
Originally Posted by tcoxcsr
I need to haul it up to Modesto and have you work on it!
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You couldn’t afford my rates.
There should be a brand/number/ dimensions molded into the tank. Probably on the top.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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08-07-2020, 07:04 PM
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#8
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,695
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OP do your homework and get proficient in RV repair. I had my galley grey tank develop a leak. Hole in the top. Replacement was $3100 by dealer (extended warranty coverage).
__________________
Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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08-07-2020, 08:40 PM
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#9
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Junior Member
Join Date: Aug 2020
Location: La Mirada
Posts: 4
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Well, thanks. We’ve restored an aging trailer, done our own fixes. Husband has built airplanes you all fly in, rebuilt motors, etc., so he’s pretty handy. We weren’t sure about this one, so thought we’d ask for advice and learn from others how may have had this issue.
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08-08-2020, 04:15 AM
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#10
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,757
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Quote:
Originally Posted by tcoxcsr
Well, thanks. We’ve restored an aging trailer, done our own fixes. Husband has built airplanes you all fly in, rebuilt motors, etc., so he’s pretty handy. We weren’t sure about this one, so thought we’d ask for advice and learn from others how may have had this issue.
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Believe me, he's not working on "aircraft quality" material here. Anyone with a similar issue would replace a tank that looks like that. You say it's brittle so that will not be the only area on that tank that's brittle. Unless the trailer has been upside down I doubt it's from the sun. Dry air certainly, so I would be giving the other tanks a very close inspection as well. The only difference between the black and the gray tank is what drains into them. They will be the same material, age, exposure.
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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08-08-2020, 06:26 AM
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#11
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,695
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With the tank in that shape and that brittle I would not think about spending time to repair it - it, and the others, are just going to crack again. You mentioned you couldn't find a source for a tank. Since you don't know how big they are (gal.) I would take the measurements and order new ones. Here is a link to one source;
https://www.plastic-mart.com/categor...-holding-tanks
__________________
Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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