Has anybody used the liquid gasket stuff from halfords on a gearbox before? Did it work, which once are best to use?

The Grey Loctite 5699 is good. I'd have no hesitation using it on a gearbox

Halfords linky

Loctite 5926 is also very very good.

Ian

Hi, the black loctite one is excellant.
Ray

anyone still use hermatite?