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-   -   Sealant (http://www.haynes.co.uk/forums/showthread.php?t=8317)

Davidbolam 24th July 2012 09:49 PM

Does anyone know of a good fuel proof sealant that can be used on my tank sender?

robo 24th July 2012 10:30 PM

I have tried a few things including instant gasket type silicone and it all goes mushy after a while. 3m do this gear but its dear http://www.3mselect.co.uk/p-2870-3m-...dge-black.aspx
Nothing else seems to work.


monsterob 25th July 2012 09:54 AM

Black hylomar / wynns black gasket maker as long as its rtv silicone you should be fine i used to use this to seal my mini engines after a rebuild and thus have sealed my tank with it doesnt appear to have gone mushy and i sealed it some months ago and have had fuel in it since

deezee 25th July 2012 12:07 PM

I sealed around my fuel sender with Blue Hylomar. I also used a sealer from Frosts to seal the bolts.



robo 25th July 2012 04:34 PM

This is why I wont use silicone on a tank. This is the brand of instant gasket we use, nowhere on the tube does it say its ok with fuels, water oils ect yes.

Our fitter replaced a cork gasket that had broken on top of a fuel tank while it was in for a service.

Less than a fortnight later its leaking and the silicone has gone all mushy

The 3m gear stays intact.


alga 25th July 2012 08:31 PM

I've seen people use JB Weld-type epoxy sealants on gas tanks... But maybe that was something specialised.

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