Reply
 
Thread Tools Search this Thread Display Modes
 
Old 08-16-2010, 05:45 PM   #1
New Member
 
2006 22' Interstate
Medford , Oregon
Join Date: Aug 2010
Posts: 1
2007 Interstate black/grey tank leak

My '07 Interstate/Sleeper forward has dual leak in the top of the black/grey tank. The ABS pipe for the the sink is completely unsealed at the tank. Is the sink pipe supposed to be fitted into a flange? The shower drain is sealed but seems to be leaking at the tank entry point. The toilet seal seems to be okay? I have not dropped the tank so most of my diagnosis is by feel. Can anyone tell me how these drain pipes are supposed to be configured with or without flanges? If the sink and shower are simply sealed what sealant should be used?
I'm 3 years in the Interstate but new to the forum.
__________________

__________________
myrondad is offline   Reply With Quote
Old 11-05-2014, 08:08 AM   #2
Rivet Master
 
InterBlog's Avatar

 
2006 22' Interstate
League City , Texas
Join Date: Oct 2014
Posts: 2,427
Quote:
Originally Posted by myrondad View Post
My '07 Interstate/Sleeper forward has dual leak in the top of the black/grey tank. The ABS pipe for the the sink is completely unsealed at the tank. ... Can anyone tell me how these drain pipes are supposed to be configured with or without flanges? If the sink and shower are simply sealed what sealant should be used?
...
My reply here is back-filling and cross-posting information into this original question, which is a few years old now (curiously, this user seems to have gotten no responses in what is an otherwise active and verbose forum).

There is an extensive discussion thread on this problem; however, that is located on Sprinter Forum. It appears to be exclusively an Airstream problem, so the repository of knowledge should be on Air Forums for maximum searchability, I think.

Anyway, here are our three posts describing the problem in detail with pictures, and describing our devised solution to the problem, which appears to affect many, *many* 2007 Airstream Interstates (and possibly other model years - we don't know).

THE INTERSTATE BLOG: INTERSTATE LEAKING GRAY WATER, PART 1: THE PROBLEM
THE INTERSTATE BLOG: INTERSTATE LEAKING GRAY WATER, PART 2: TANK REMOVAL
THE INTERSTATE BLOG: INTERSTATE LEAKING GRAY WATER, PART 3: TANK RE-INSTALL

Thanks again to everyone who contributes to these forums. We'd be lost without you.

Alison and Lawrence
League City TX
THE INTERSTATE BLOG
__________________

__________________
InterBlog is offline   Reply With Quote
Old 11-06-2014, 06:46 AM   #3
Rivet Master
 
Currently Looking...
Nowhere , Somewhere
Join Date: Jul 2005
Posts: 6,417
Blog Entries: 2
In 2010 there were few Interstate owners on the forum as compared to today.
__________________
avionstream is offline   Reply With Quote
Old 11-06-2014, 08:55 AM   #4
Rivet Master
 
InterBlog's Avatar

 
2006 22' Interstate
League City , Texas
Join Date: Oct 2014
Posts: 2,427
Quote:
Originally Posted by zigzagguzzi View Post
In 2010 there were few Interstate owners on the forum as compared to today.
Ah, that would explain a great deal, including why AI topics are spread among multiple forums (it has frustrated me at times because I will search one and then forget to cross-check against the others, and Google won't always pick up the slack).
__________________
InterBlog is offline   Reply With Quote
Old 11-11-2014, 08:05 AM   #5
Rivet Master
 
InterBlog's Avatar

 
2006 22' Interstate
League City , Texas
Join Date: Oct 2014
Posts: 2,427
Quote:
Originally Posted by myrondad View Post
My '07 Interstate/Sleeper forward has dual leak in the top of the black/grey tank. The ABS pipe for the the sink is completely unsealed at the tank. Is the sink pipe supposed to be fitted into a flange? ... If the sink and shower are simply sealed what sealant should be used?
... .
As a follow-up to this, your questions about sealant and flanges made me wonder retrospectively to my first reply whether you might have been working with an already-altered system, similar to what this other 2007 owner is facing:

THE INTERSTATE BLOG: INTERSTATE LEAKING GRAY WATER: POSTSCRIPT

This thread originated a few years ago, so if you still own your AI and eventually revert to reading this thread, we'd love to know how you resolved your issue. Thanks.
__________________
InterBlog is offline   Reply With Quote
Old 01-04-2015, 09:37 PM   #6
Rivet Master
 
InterBlog's Avatar

 
2006 22' Interstate
League City , Texas
Join Date: Oct 2014
Posts: 2,427
This is a placeholder comment to remind me to come back and amend this thread once we get the repair(s) done -

It turns out that it wasn't just our gray water tank that had its connections sheared off because the tank was improperly installed - our separate black water tank was affected in the same way and we just hadn't discovered it yet.

While fishing wire for a new and more sophisticated battery monitor than what came with our 2007 Interstate, we found that the vent had separated from the top of the black tank. The dark, flat foreground object in this photo is the top of the black water tank. At photo right, I've shoved a pair of tongs underneath the red and white lines to lift them up, but the shadow is casting over the area where the vertical pipe joins with the tank, so it's not clearly visible. However, the leaking is visible. The blue color is the water staining on top of the tank and running down its aft side is by virtue of the remarkable overabundance of toilet treatment that we found had been tossed into this tank prior to the vehicle's sale to us.

Everything to the adjacent left of this blue water stain is our electrical system - the converter and all the rest. It's right up against the aft side of this tank.

I wonder if perhaps I might one day find myself giving witness testimony in a liability case because some poor Interstate owner ends up getting injured by the likes of this nonsense. It's one thing to build a defective tank that is slung relatively harmlessly beneath the vehicle, as the gray tank is. It's quite another thing to do the same thing with a tank that sits nearly on top of the electrical system. Water and electricity don't mix. What Airstream has done here has gone from the unfathomably stupid to the profoundly unconscionable.

My fingers are crossed that you guys with younger Interstates have slightly better construction behind your walls. Meanwhile, we have yet another tank to re-engineer.
Attached Thumbnails
Click image for larger version

Name:	1-DSC_0030.JPG
Views:	81
Size:	285.8 KB
ID:	229826  
__________________
InterBlog is offline   Reply With Quote
Old 01-04-2015, 10:46 PM   #7
3 Rivet Member
 
2005 22' Interstate
Pittsburgh , Pennsylvania
Join Date: Mar 2005
Posts: 177
Sadly, this is typical of the kind of stuff that we repeatedly discovered over the years of ownership of our 2005 Interstate. For example, every time we filled the freshwater tank, we ended up with water on the floor inside the van. Eventually, we discovered that the clamp holding the fresh tank vent tube to its vent was never tightened. So, water splashed out of the tank, thoroughly soaked the insulation all along the wall, and eventually seeped into the van. Just one of many examples. There is no excuse.
__________________
Formerly: 2005 Airstream Interstate (2500 T1N)
Now: 2014 Great West Vans Legend SE (3500 NCV3)
avanti is offline   Reply With Quote
Old 01-05-2015, 08:29 AM   #8
Figment of My Imagination
 
Protagonist's Avatar
 
2012 Interstate Coach
From All Over , More Than Anywhere Else
Join Date: Dec 2011
Posts: 10,311
Newer models ARE better in that regard. Plumbing in the middle of the van (except the water heater) and electrical in the back. The only plumbing-related problem I've had to date on my 2012 model was a failure of the water pump to self-prime after about a year of ownership. Vibration (apparently due to bad Louisiana roads) caused the inlet tubing to slightly come loose from the pump, allowing it to suck air instead of sucking water like it's supposed to. Easy fix to put it back the way it's supposed to be.
__________________
WBCCI #1105
TAC LA-4

My Google-Fu is strong today.
Protagonist is offline   Reply With Quote
Old 01-05-2015, 08:48 AM   #9
Rivet Master
 
Lily&Me's Avatar

 
2006 22' Interstate
Normal , Illinois
Join Date: Jan 2009
Posts: 13,563
Nearly 8 years of ownership of a 2006, we have not had tank problems, but did have an issue with a pipe in the toilet connection not being cut quite long enough, causing a leak that took 3 trips back to the dealership (now defunct) to correct.

The last comment from the service guy, when he finally replaced the pipe, was that he knew it was cut too short but thought he could rig something that would work.

The service tech issue aside, this was another of the quality control issues which could have and should have been avoided.

I am reading on other threads that JC is paying more attention to these things, which is encouraging.


Maggie
__________________
🏡 🚐 Cherish and appreciate those you love. This moment could be your last.🌹🐚❤️
Lily&Me is offline   Reply With Quote
Old 01-05-2015, 11:07 AM   #10
3 Rivet Member
 
2005 22' Interstate
Pittsburgh , Pennsylvania
Join Date: Mar 2005
Posts: 177
Quote:
Originally Posted by Lily&Me View Post
I am reading on other threads that JC is paying more attention to these things, which is encouraging.
I really hope so. I LOVED the idea of being an Airstream owner and would really be delighted to be enticed back into the fold someday. Squandering the goodwill associated with such an iconic brand on easily-avoided nonsense is just sad.

Glad to hear that things are looking up.
__________________
Formerly: 2005 Airstream Interstate (2500 T1N)
Now: 2014 Great West Vans Legend SE (3500 NCV3)
avanti is offline   Reply With Quote
Old 01-05-2015, 12:02 PM   #11
Rivet Master
 
Boxster1971's Avatar

 
2013 Interstate Coach
Fulton , Maryland
Join Date: May 2010
Posts: 2,265
You could download the parts book from Airstream and it might help.

Manuals, Airstream Travel Trailers, Touring Coaches | Airstream

Page IV-8 in the 2007 Interstate Parts Book shows the drain system for rear bath.
Page IV-9 shows the drain system for mid bath.
__________________
Boxster1971 is online now   Reply With Quote
Old 01-06-2015, 06:17 AM   #12
Rivet Master
 
InterBlog's Avatar

 
2006 22' Interstate
League City , Texas
Join Date: Oct 2014
Posts: 2,427
Quote:
Originally Posted by Boxster1971 View Post
You could download the parts book from Airstream and it might help.

Manuals, Airstream Travel Trailers, Touring Coaches | Airstream

Page IV-8 in the 2007 Interstate Parts Book shows the drain system for rear bath.
Page IV-9 shows the drain system for mid bath.
Believe me, we are long past that stage. We got all that stuff about two months ago when we re-engineered the gray water tank. But thanks.
__________________
InterBlog is offline   Reply With Quote
Old 01-06-2015, 06:20 AM   #13
Rivet Master
 
InterBlog's Avatar

 
2006 22' Interstate
League City , Texas
Join Date: Oct 2014
Posts: 2,427
Quote:
Originally Posted by InterBlog View Post
Believe me, we are long past that stage. We got all that stuff about two months ago when we re-engineered the gray water tank. But thanks.
In fact, we've attempted to improve upon that manual, which is only of limited use and accuracy.
Attached Thumbnails
Click image for larger version

Name:	2007_AI_GRAY_TANK_DETACH_V2.JPG
Views:	103
Size:	153.8 KB
ID:	229895  
__________________
InterBlog is offline   Reply With Quote
Old 02-04-2015, 08:13 AM   #14
Rivet Master
 
InterBlog's Avatar

 
2006 22' Interstate
League City , Texas
Join Date: Oct 2014
Posts: 2,427
Quote:
Originally Posted by InterBlog View Post
This is a placeholder comment to remind me to come back and amend this thread once we get the repair(s) done -
.......
Here is the corresponding repair post for this portion of the plumbing problem.

THE INTERSTATE BLOG: FIXING THE BLACK / GRAY VENT LINE ON AN AIRSTREAM INTERSTATE
__________________

__________________
InterBlog is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Black and Grey tank sources CtRobert Waste Systems, Tanks & Totes 3 04-21-2010 06:33 PM
59 caravanner black/grey tank renovation jeffinwnc Waste Systems, Tanks & Totes 3 10-23-2009 06:44 AM
Grey/Black Water Tank Capacities BeBop Waste Systems, Tanks & Totes 3 06-18-2004 08:15 AM
Why not grey water into black tank? pilgrim_still Waste Systems, Tanks & Totes 40 10-08-2003 08:59 PM
CCD Grey/Black Tank Combo LuvSub 2002 - 2005 International 5 05-11-2003 08:04 PM


Virginia Campgrounds

Reviews provided by




Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 09:12 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.

Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.