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[GMCnet] LEEKING HOLDING TANK [message #91889]

Tue, 13 July 2010 23:28

Steve Phillips

Messages: 63
Registered: February 2004

Karma: 0

Member

Hi All

I need something that seals a small hole in my holding tank ( Big
stuff Tank) Is there anything that will patch it while on the coach. It
seems to be leaking very slowly.

Thanks
Steve
78 Birch
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Re: [GMCnet] LEEKING HOLDING TANK [message #91892 is a reply to message #91889]

Wed, 14 July 2010 00:01

Gail Marks Cruiser

Messages: 125
Registered: August 2009
Location: Gold Coast, Australia

Karma: 0

Senior Member

G'day,

Can you still call it a holding tank if it doesn't hold ?

If your out bush, I have used a self tapping screw with a dab of silicone, with success.

At home, a hot glue gun has held well. I found carefully pre-heating the area works best.
For more exposed areas that could do with some added protection, I have sanded the area back and fiberglassed.
Haven't had to redo with either method.

Mark Bennett Gail & Mark's Cruiser Gold Coast, Australia. Motorhoming Lifestyle.com

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Re: [GMCnet] LEEKING HOLDING TANK [message #91895 is a reply to message #91892]

Wed, 14 July 2010 00:25

gbarrow2

Messages: 765
Registered: February 2004
Location: Lake Almanor, Ca./ Red Bl...

Karma: 3

Senior Member

I bought a tank repair kit from Arrow Trailer Supply in Montclair, Ca. over 6 years and 60,000 miles ago. The tank has had a lot of use and the patch is still holding.

Other trailer supply or RV stores probably have the same thing.

The kit was a piece of fiberglass mesh fabric and a tube of black resin or glue. I think it also had a piece of sand paper to roughen the area to be repaired. Cost about 15 bucks.

Gene Barrow
Lake Almanor, Ca.
1976 Palm Beach

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Re: [GMCnet] LEEKING HOLDING TANK [message #91898 is a reply to message #91892]

Wed, 14 July 2010 00:32

Steve Phillips

Messages: 63
Registered: February 2004

Karma: 0

Member

Hi Mark

Thanks for the come back-on the tank the problem is the leak is right
where it enters the tank. it may work with silicon but it will take
quite a bit of stuff to stop it it will problem take is down and fix it
right.

Thanks
Steve
78 Birch

On 7/13/2010 11:01 PM, Mark Bennett wrote:
>
> G'day,
>
> Can you still call it a holding tank if it doesn't hold ?
>
> If your out bush, I have used a self tapping screw with a dab of silicone, with success.
>
> At home, a hot glue gun has held well. I found carefully pre-heating the area works best.
> For more exposed areas that could do with some added protection, I have sanded the area back and fiberglassed.
> Haven't had to redo with either method.
>
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Re: [GMCnet] LEEKING HOLDING TANK [message #91901 is a reply to message #91889]

Wed, 14 July 2010 06:09

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

leaks here are typically the dump valve, here are some solutions

http://www.gmcmotorhome.info/blacktnk.html#valve

gene

On Tue, Jul 13, 2010 at 9:28 PM, steve <mr34@pipeline.com> wrote:

> Hi All
>
> I need something that seals a small hole in my holding tank ( Big
> stuff Tank) Is there anything that will patch it while on the coach. It
> seems to be leaking very slowly.
>
>
>
> Thanks
> Steve
> 78 Birch
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>

--
Gene Fisher -- 74-23,77PB/ore/ca
�Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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Re: [GMCnet] LEEKING HOLDING TANK [message #91905 is a reply to message #91895]

Wed, 14 July 2010 07:03

Steven Ferguson

Messages: 3447
Registered: May 2006

Karma: 0

Senior Member

Gene,
I did likewise when the molded in fitting for the dump vavle started
cracking. I super cleaned the area about 6" around the crack and weak
spot, then mixed up the stuff, spread it, then the cloth, more goop
and man that area is like it should have been from the factory and no
leaks.

On Tue, Jul 13, 2010 at 10:25 PM, gene barrow <barrowgene@gmail.com> wrote:
>
>
> I bought a tank repair kit from Arrow Trailer Supply in Montclair, Ca. over 6 years and 60,000 miles ago. The tank has had a lot of use and the patch is still holding.
>
> Other trailer supply or RV stores probably have the same thing.
>
> The kit was a piece of fiberglass mesh fabric and a tube of black resin or glue. I think it also had a piece of sand paper to roughen the area to be repaired. Cost about 15 bucks.
> --
> Gene Barrow
> Lake Almanor, Ca.
> 1976 Palm Beach
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>

--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
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Re: [GMCnet] LEEKING HOLDING TANK [message #91908 is a reply to message #91905]

Wed, 14 July 2010 07:14

Hardie Johnson

Messages: 483
Registered: January 2004
Location: Raleigh NC

Karma: 0

Senior Member

Goop stuff, any variety, will hold much better than silicone.

Hardie Johnson "Crashj"
1973 26 foot Glacier, White Thing
Raleigh NC

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Re: [GMCnet] LEEKING HOLDING TANK [message #91944 is a reply to message #91898]

Wed, 14 July 2010 11:13

4701

Messages: 62
Registered: May 2010

Karma: 0

Member

I just went through this.

After the listers were kind enough to send me pics of what failed on
their tanks I knew that my problem was the same.

When Applied got my tank out, it was exactly what I thought. All of the
flanges were brittle and cracked with lots of "debris" on the top of the
tank.

They put in a new tank and now and can move on to the next thing,
figuring out how to divert the grey water because that black tank is
filling fast with it.

Desmond
77 ex-PB
Treasure Island, CA
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Re: [GMCnet] LEEKING HOLDING TANK [message #91975 is a reply to message #91889]

Wed, 14 July 2010 17:24

Hardie Johnson

Messages: 483
Registered: January 2004
Location: Raleigh NC

Karma: 0

Senior Member

Steve Phillips wrote on Wed, 14 July 2010 00:28

I need something that seals a small hole in my holding tank ( Big stuff Tank) Is there anything that will patch it while on the coach. It seems to be leaking very slowly.

You can prep the surface for better adhesion with a propane torch. Run the tip of the inner blue flame around the area to be bonded just before you apply Plumbers Goo to the area, if possible.
Search 'paint adhesion flame' for some evidence.
"does not apply to gas tanks"

Hardie Johnson "Crashj"
1973 26 foot Glacier, White Thing
Raleigh NC

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Re: [GMCnet] LEEKING HOLDING TANK [message #92023 is a reply to message #91908]

Thu, 15 July 2010 10:36

Steve Phillips

Messages: 63
Registered: February 2004

Karma: 0

Member

Hi hardie

Where do you get the Goop stuff?
Steve

On 7/14/2010 6:14 AM, Hardie Johnson wrote:
>
> Goop stuff, any variety, will hold much better than silicone.
>
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