Bordfunker Posted September 9, 2017 Report Share Posted September 9, 2017 Having resprayed my fuel tank as part of the restoration of the boot area on my Herald, I need to reinstall the fuel gauge sender unit. Mine is the type with the 6 screws holding it in, and has a cork gasket sandwiched between the sender unit and the tank itself. Having consulted the WSM a sealant is recommended, however I tried a couple of auto factors today and couldn't find a sealant that was fuel proof. Can anyone recommend a suitable sealant? Karl Link to comment Share on other sites More sharing options...
Guest Posted September 10, 2017 Report Share Posted September 10, 2017 Hello Karl. Hylomar Blue should do the job, here is the spec: Hylomar Universal Blue Hylomar Universal Blue is the worlds leading non-setting, sealing and gasket compound. Hylomar Universal Blue Gasket Sealant is used by many of the world's major automotive manufacturers and by several Formula 1 teams. Its features include unlimited assembly time, resistance to combustion products, water, engine coolant, petroleum, lubricating oils, kerosene and fluorocarbon refrigerants. Typical applications: Water and oil pumps, instrument inspection covers, cylinder heads and cast oil pans Coating pre-formed gaskets, weatherproofing motors and outdoor high voltage circuit breakers Inlet manifolds, timing case covers, oil pump joints, gearbox and transmission components Thread sealing, gas turbines, water-cooled generators, turbo vacuum systems and any machined flange Regards. Richard. Link to comment Share on other sites More sharing options...
dougbgt6 Posted September 10, 2017 Report Share Posted September 10, 2017 Hylomar Blue is the new Red Hermatite. I've used HB, it's as good as RH, which is still available, if you look for it. Link to comment Share on other sites More sharing options...
GFL Posted September 11, 2017 Report Share Posted September 11, 2017 Used Blue Hylomar on the Sender Gasket on my TR, no leaks? Link to comment Share on other sites More sharing options...
JohnD Posted September 11, 2017 Report Share Posted September 11, 2017 If a name is any comfort, a red (semihardening) and blue (nonhardening) sealant is marketed under the "GasTite" brand. Eurocar stock it, as may many other suppliers. JOhn Link to comment Share on other sites More sharing options...
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