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09-16-2013, 10:48 PM
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#1
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2 Rivet Member
1984 31' Airstream310
Surprise
, Arizona
Join Date: Apr 2012
Posts: 63
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cracked grey water tank
Has anyone had much success repairing cracks in either holding tanks? I have a foot long split in the bottom of my grey water tank and was hoping I could just seal it up. If not, are these tanks still available? 1984-310. Thx!
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09-17-2013, 07:37 AM
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#2
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Rivet Loser
La Ronge
, Saskatchewan
Join Date: Nov 2011
Posts: 328
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Quote:
Originally Posted by Surprise
Has anyone had much success repairing cracks in either holding tanks? I have a foot long split in the bottom of my grey water tank and was hoping I could just seal it up. If not, are these tanks still available? 1984-310. Thx!
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I would say don't even think about repair. Tanks can be made up any size using modern plastics, and there's probably someone near you who does it. Google brought up plenty, here's one:
RV Tanks Camper, Motorhome, Travel Trailer
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09-17-2013, 09:27 AM
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#3
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Rivet Master
2008 27' International FB
Venice
, Florida
Join Date: May 2009
Posts: 706
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Quote:
Originally Posted by Punch
I would say don't even think about repair. Tanks can be made up any size using modern plastics, and there's probably someone near you who does it. Google brought up plenty, here's one:
RV Tanks Camper, Motorhome, Travel Trailer
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Great site, PUNCH, I am going to save it for sure. Hopefully not for me but a fellow camper, Ha! Ha!
__________________
Bill and Janice, We're lovin' it! (Airstreaming)
Airdreamers
WBCCI #8880
AIR #41310
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09-17-2013, 11:58 AM
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#4
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Rivet Master
1964 26' Overlander
Richmond
, Virginia
Join Date: Feb 2011
Posts: 790
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True, tanks can be made up, but considering they are usually around $200, plus shipping by freight, then you have to cut the current plumbing (plus vents) and then get all the fittings to line up, that's a lot of work, (and some expense)
I believe that those tanks were ABS at the time. You may be able to find out through the forums. You'll wand to do a heat repair if possible, or a solvent repair is almost as good.
For a heat repair, you could get some Harbor Freight plastic welding rods and welder. For solvent, I would suggest getting a shape that will cover your tank. If in the side you may be able to order a 1/16" sheet of ABS online (even Amazon has them) Smear ABS cement on both mating surfaces, apply and hold. That may do it. Or, depending on the shape, you could peruse the plumbing department at Lowes and find a similar shape.
Last option is to order abs regrind from Vintage Trailer Supply and create a slurry in a mason jar from the regrind and acetone. Once it's the consistency of grape jelly, you can smear it into the crack.
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09-17-2013, 01:29 PM
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#5
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Rivet Loser
La Ronge
, Saskatchewan
Join Date: Nov 2011
Posts: 328
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Quote:
Originally Posted by robwok
True, tanks can be made up, but considering they are usually around $200, plus shipping by freight, then you have to cut the current plumbing (plus vents) and then get all the fittings to line up, that's a lot of work, (and some expense)
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$200. ? Yes I should say so, but there should be someone in just about any medium size town who can make them up..... usually people who make septic holding tanks or water tanks. Plus you can get it exactly the right size, whereas any materials you stick on the outside of a tank take up space, even if they work, which I very much doubt with the bacterial and detergent and grease contamination in a holding tank.
With all the repair methods you suggest, I would add "and pray" to the end of your suggestion. Also if you add up the materials costs, especially for the first 2 or 3 failures, and if you count your time as worth anything, $200. is reached and exceeded pretty quickly. It always amazes me how much time and money and thought people will put into nibbling around the edges of a problem rather than confronting it once and for all.
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09-17-2013, 01:47 PM
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#6
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Rivet Master
1964 26' Overlander
Richmond
, Virginia
Join Date: Feb 2011
Posts: 790
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Punch, it may be different where you are, but in my area, I haven't found a custom shop that will make it up for less than $400 for a custom tank. I think some of our Southern states where the poster is from originally may be more into manufacturing. After calling multiple folks, I cannot come even close to the prices I've seen here for having my metal pan made to hold my black tank. I'm making all my own black and gray tanks partly for the learning experience, and partly to save over $600 or more, and get exactly what I want. I agree. I'm not a fan of putting duct tape on an issue, but not everyone has the money, skill, or resources to jump in and do the repair right the first time. Few of the folks on this forum are experts. Most learn as they go along. I think it's good to provide both options - Fix it right the first time, or fix it temporarily for your last trip of the season, then save up if you need to to fix it permanently.
Rob.
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09-17-2013, 02:08 PM
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#7
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Member Slide Out Society
2004 28' Safari S/O
Zavalla
, Texas Airstream Harbor
Join Date: Dec 2006
Posts: 77
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A simple fix is MarineTex from just about any boat repair place. I have repaired washing machines, fuel tanks, fuel pumps, boats, etc...and have never had a problem since. You can even leave it in place, rough up the sides all along the crack, mix the MarineTex and apply with a paddle similar to working bondo...you can sand it, paint it, it's flexible and I keep it all the time, just in case! A small repair kit is about $10.00 bucks...a quart of it from aan auto supply store is about $30.00...
Rockwell
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09-17-2013, 04:57 PM
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#8
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Rivet Master
1989 34.5' Airstream 345
Silverton
, Colorado
Join Date: Oct 2003
Posts: 2,102
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Oasis in Tucson had a fellow that plastic welded several cracks in our gray tank. I did a...well...uhm...'modification' on our black water tank while replacing the gate valve...the resulting pipe was too short, even though I did cut it twice...a 'boot' made up the length, and I VERY liberally used PL sealant(comes in a caulk tube)...latex gloves, gobs by the hand full...has held for 4 years in sub-zero to 100+ temps...I will NEVER do any black water work again...dealing with residuals is about the LEAST glorious aspect of Airstreaming... the same stuff would work for gray water...clean/coarse sand/clean/let dry/apply...drying takes time and patience...those cracks will leak/leach water forever. A point to consider is that if the tank is cracking from age, more cracks will appear...if you find a good place for replacement, please(oh, please) post it...mike
__________________
Michael & Tracy
1989 345 Motorhome
CHARTER MEMBERS: FOUR CORNERS UNIT, AND PROUD OF IT!!!
We live for the moment, 'cause when you get there, it's gone...
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09-17-2013, 05:37 PM
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#9
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2 Rivet Member
1984 31' Airstream310
Surprise
, Arizona
Join Date: Apr 2012
Posts: 63
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I'm definitely looking to patch this up. I think I smashed it on a rock! I do some extreme camping!
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09-17-2013, 06:02 PM
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#10
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Rivet Loser
La Ronge
, Saskatchewan
Join Date: Nov 2011
Posts: 328
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I'm sure I don't have any more money to spare than any of you, could well be less, and I save money wherever I can in working on my AS, so long as I'm still doing a good and permanent job. I have always been careful with what money I have (never in my life bought a new car, never borrowed money except for a mortgage, and that's long gone now) and I really only like to spend money once. With patching a grey tank you'll be spending money at least twice, and then either handing the problem on to the poor FO, for whom you will be that #$%&@# cheapskate PO, or end up spending the additional amount on a new tank anyway.
The other solution is to patch it and let it leak, which'll mean you'll never have to dump it again..... now, that's not a bad idea! Think I'll go and drill a hole in mine now.
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09-17-2013, 06:57 PM
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#11
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2 Rivet Member
1984 31' Airstream310
Surprise
, Arizona
Join Date: Apr 2012
Posts: 63
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A appreciate your advice PUNCH, but I'm not interested in replacing the tank right now. It's a time issue not money.
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09-17-2013, 09:12 PM
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#12
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Rivet Loser
La Ronge
, Saskatchewan
Join Date: Nov 2011
Posts: 328
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Quote:
Originally Posted by Surprise
A appreciate your advice PUNCH, but I'm not interested in replacing the tank right now. It's a time issue not money.
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Just fine with me, and it`s your MH, but in your original post you did ask:
Quote:
....are these tanks still available? 1984-310..
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09-22-2013, 08:26 PM
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#13
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2 Rivet Member
2000 28' Excella
1994 31' Legacy 30
Hillsboro
, Texas
Join Date: Jun 2007
Posts: 84
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Tank repair
I once had a crack in the bottom of my black tank in a '74 27' A/S. So I bought a patch kit at my dealer. The tank was polyethylene I think.... waxy feeling like that stuff they make milk bottles out of. I drilled a small hole at the ends of the crack and lightly sanded the area around the crack. Then applied the epoxy and glass cloth patch. Several years latter when I sold the trailer it was still holding fine.
__________________
Tony T
2000 28' Classic TT
1994 30' Land Yacht M/H
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09-22-2013, 08:50 PM
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#14
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Rivet Master
Airstream Dealer
Corona
, California
Join Date: Feb 2002
Posts: 16,497
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Quote:
Originally Posted by Surprise
Has anyone had much success repairing cracks in either holding tanks? I have a foot long split in the bottom of my grey water tank and was hoping I could just seal it up. If not, are these tanks still available? 1984-310. Thx!
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The original tanks are no longer available from Airstream.
Andy
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09-22-2013, 09:18 PM
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#15
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Rivet Master
1997 30' Excella
1961 26' Overlander
1954 22' Flying Cloud
1981 28' Airstream 280
San Antonio
, Texas
Join Date: Jul 2009
Posts: 1,436
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Quote:
Originally Posted by tony6373
I once had a crack in the bottom of my black tank in a '74 27' A/S. So I bought a patch kit at my dealer. The tank was polyethylene I think.... waxy feeling like that stuff they make milk bottles out of. I drilled a small hole at the ends of the crack and lightly sanded the area around the crack. Then applied the epoxy and glass cloth patch. Several years latter when I sold the trailer it was still holding fine.
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Did that with one of my black tanks where rodents had gnawed a hole in it.
Worked great
__________________
Bruce
WBCCI# 9259 AIR# 38927 TAC-TX 14
Stop Littering-Spay & Neuter-- Adopt From Rescue
No amount of time will erase the memory of a great dog.
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09-26-2013, 04:17 PM
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#16
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2 Rivet Member
1984 31' Airstream310
Surprise
, Arizona
Join Date: Apr 2012
Posts: 63
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Well the tank was to far deteriorated to patch. A guy at OrangeWood RV in Surprise AZ can have the original manufacturer cross-reference a newer exact fit or make new one if need be. Thanks for everyone's response!
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09-26-2013, 05:51 PM
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#17
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Rivet Master
1969 29' Ambassador
brooksville
, Florida
Join Date: Nov 2008
Posts: 1,270
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Quote:
Originally Posted by Surprise
Well the tank was to far deteriorated to patch. A guy at OrangeWood RV in Surprise AZ can have the original manufacturer cross-reference a newer exact fit or make new one if need be. Thanks for everyone's response!
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Well if I had the $$. I would take my tanks out and have them made out of Stainless steel. Do it once, do it right, and the next owner will be pleasantly surprised!
__________________
Not all those who wonder are lost.
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09-26-2013, 09:53 PM
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#18
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Rivet Loser
La Ronge
, Saskatchewan
Join Date: Nov 2011
Posts: 328
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Quote:
Originally Posted by Surprise
Well the tank was to far deteriorated to patch. A guy at OrangeWood RV in Surprise AZ can have the original manufacturer cross-reference a newer exact fit or make new one if need be. Thanks for everyone's response!
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A good decision, and cheaper in the long run.
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09-27-2013, 11:16 AM
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#19
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Rivet Master
Currently Looking...
1982 24' Airstream 240
Ventura
, California
Join Date: May 2006
Posts: 1,645
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Available anywhere
Quote:
Originally Posted by Inland RV Center, In
The original tanks are no longer available from Airstream.
Andy
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Do you know of a source other than Airstream? Do you carry them?
__________________
Paula & Ed
WBCCI # 8252 Air#13593
1982 24'Motorhome (82Ste P)
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09-27-2013, 12:34 PM
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#20
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Rivet Master
Airstream Dealer
Corona
, California
Join Date: Feb 2002
Posts: 16,497
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Quote:
Originally Posted by SteSpot
Do you know of a source other than Airstream? Do you carry them?
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We have many different tanks made with fiberglass.
For all years and models, no.
We must have the exact year and model, and then can answer your question.
Andy
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