[Healeys] Radiator hose sealants

[Elton S]

Thanks to everyone who replied. I will do some further investigation for
the cause of the leak at the water pump/hose connection.
Elton

On Mon, May 18, 2026 at 6:23 PM Bob Spidell via Healeys <
healeys at autox.team.net> wrote:

> I'm not adverse to sealants--I like to experiment with them and even
> wrote an article on them for a club magazine--but I've never seen the
> need for one for radiator hoses (I do put a little silicone grease on
> the inside to make them easier to remove years down the road). A
> properly sized and fitted radiator hose should not leak; I'd look for a
> small crack on the housing, a deformation or other issue causing a leak.
> Radiator hoses are pliable and the pressure is low--they should seal
> with just a properly installed clamp.
>
> Permatex Seal & Lock is my go-to for tough jobs, but you're looking at a
> semi-permanent 'fix.'
>
>
> https://www.permatex.com/products/thread-compounds/thread-sealants/permatex-seal-lock-thread-compound-35-ml/
>
> bs
>
> On 5/17/2026 7:27 PM, Elton S wrote:
> > I've tried a couple Permatex sealants for the radiator hoses without
> > success. They still weep a small amount of fluid. What successful
> > sealants have you used that you would recommend?
> > Thanks for your replies.
> > Elton
> > BJ7
> >
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