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10-26-2016, 09:14 PM
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#1
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Senior Member
City: FT.Pierce, Fl
Vessel Name: Tuna Talk
Vessel Model: CC Tournament 30
Join Date: Jul 2015
Posts: 177
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Stop the leak
I have a Moeller plastic fuel tank in my skiff - fill, vent and sending unit located on top which I believe are leaking rain water. Anyone know of a spray sealant which is impervious to gasoline I can use to seal the connections?
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10-26-2016, 10:03 PM
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#2
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Guru
City: Windsor
Vessel Name: Keeper IV
Vessel Model: 44 Viking ACMY
Join Date: Nov 2013
Posts: 1,350
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Quote:
Originally Posted by Jim Cooper
I have a Moeller plastic fuel tank in my skiff - fill, vent and sending unit located on top which I believe are leaking rain water. Anyone know of a spray sealant which is impervious to gasoline I can use to seal the connections?
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Another product , called Seal-All
Is impervious to gasoline. Comes in a tube.
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10-26-2016, 10:09 PM
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#3
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Senior Member
City: FT.Pierce, Fl
Vessel Name: Tuna Talk
Vessel Model: CC Tournament 30
Join Date: Jul 2015
Posts: 177
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I saw the seal-all along with permatex permaseal but they both come in a tube. I was hoping to find a spray product.
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10-27-2016, 01:24 AM
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#4
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Senior Member
City: G
Join Date: Feb 2014
Posts: 156
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Quote:
Originally Posted by Jim Cooper
I saw the seal-all along with permatex permaseal but they both come in a tube. I was hoping to find a spray product.
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There is a spray "sealer" sold for spark plug leads at auto stores. Is that what you are looking for?
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10-27-2016, 06:00 AM
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#5
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Guru
Join Date: Jun 2008
Posts: 5,034
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Are you saying the gasket is leaking? Change the gasket.
Or is a fitting leaking? You can use a wicking Loctite.
__________________
Jay Leonard
Ex boats: 1983 40 Albin trunk cabin, 1978 Mainship 34 Model 1
New Port Richey, Fl
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10-27-2016, 06:27 AM
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#6
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Guru
City: Seaford Va on Poquoson River, VA
Vessel Name: Old Glory
Vessel Model: 1970 Egg Harbor 37 extended salon model
Join Date: Jan 2016
Posts: 2,264
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Sea-All does seal gasoline, you can buy at Home Depot.
It will also glue down small pieces of wood veneer.
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10-27-2016, 06:30 AM
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#7
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Guru
City: Rodney Bay Lagoon
Vessel Name: "Dragon Lady"
Vessel Model: DeFever 41
Join Date: Feb 2008
Posts: 681
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Quote:
Originally Posted by Jim Cooper
I have a Moeller plastic fuel tank in my skiff - fill, vent and sending unit located on top which I believe are leaking rain wate.
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If fittings or screwed top plate are leaking, then remove, change seal and/or apply gasoline-resistant sealant and refit. I would not place much faith in persuading a spray-on sealant to stick to the waxy plastic that most gas tanks are made of.
__________________
Mike
If all else fails, read the instructions
If it ain't broke, don't fix it
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10-27-2016, 06:13 PM
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#8
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Senior Member
City: FT.Pierce, Fl
Vessel Name: Tuna Talk
Vessel Model: CC Tournament 30
Join Date: Jul 2015
Posts: 177
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I'm going to remove the fill flange, pick-up & vent fittings and sender plate from the tank and then reinstall using the seal-all or permatex permaseal product. The flange and fittings have o-ring gaskets which I suspect are the culprit so I'll replace them also. I'd like to use an epoxy cabosil mixture as a sealant but there is too much flexing of the plastic tank and I only see that seal bond cracking/separating over time. I think a flexible sealant is my only option.
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10-27-2016, 06:50 PM
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#9
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Senior Member
City: Wherever the boat is
Vessel Name: Kismet
Join Date: Sep 2016
Posts: 458
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https://www.amazon.com/AMERIMAX-PROD.../dp/B003R3YRKQ flashmate is pretty amazing stuff - flexible, stays flexible, sticks to just about anything. not sure if it will tolerate other solvents. probably worth a try
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