Re: [FWDLK] Sealer for Gas Tank Sending Unit

[jrawa@xxxxxxx <jrawa@xxxxxxx>]

Title: [FWDLK] Sealer for Gas Tank Sending Unit

It's a squared rubber gasket, the modern equivalent would be a viton O ring, not sure what the repop sending units come with, as far as material, but they include o rings. Vans auto sells the tanks and senders.. anyway, no chemical sealer outside of actual tank sealer or JB weld will do the trick.
Is it the seal/O ring, or the depressed area/retainer having an issue where it was sweated to the tank ?  If its not a metal leak, just put in a nice new o ring, applying tank sealer externally is at best a temp fix.. been there, tried all kwik fixes... Nothing beats sweating some new lead or replacing a seal.. precautions on tank welding and soldering next week!  

Sent from my Verizon Wireless Phone

----- Reply message -----
From: "Dave Stragand" <dave.stragand@xxxxxxxxxxxxxxx>
To: <L-FORWARDLOOK@xxxxxxxxxxxxx>
Subject: [FWDLK] Sealer for Gas Tank Sending Unit
Date: Tue, Jun 4, 2013 9:01 pm

Isn't it a fiber seal?  It's still used on the modern cars.  I believe the last one I installed was fiber/paper, and I got it from a dealership.  If so, it might swell when exposed to fuel to further seal.

 

Did you use the proper tool to tighten the circular ring?  The hammer and screwdriver method can warp it.

 

-Dave

---

From: Forward Look Mopar Discussion List on behalf of Ron Waters
Sent: Tue 6/4/2013 6:28 PM
To: L-FORWARDLOOK@xxxxxxxxxxxxx
Subject: [FWDLK] Sealer for Gas Tank Sending Unit

Hi All -

On my 58 Plymouth, I have a gas leak where the gas tank sending unit meets
the tank. I have the proper rubber seal between the circular holddown and
the sending unit. What I am looking for is a sealer, such as some variety of
Permatex RTV, that I can put between the seal and the sending unit. This
sealer should be impervious to gas, while at the same time be removeable in
case I need to remove the sending unit from the tank. The only thing that
comes to mind right now is a gas tank sealer, such as the Bill Hirsh stuff.
But I don't want to go out and buy a whole can just for this small area. Any
thoughts ?

Ron

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