An old Land Rover manual says to use "Bostik" when applying the grommets to the bell housing as well as when attaching the dust cover to the front output shaft housing. I guess this dates back to when Bostik only made one type of glue.
Latex is very soft & easily removed. Quite unlike those others. And PU does not survive being wet for too long, despite what marketing depts want people to think.
I found a very decent silicone rubber roof leak fixing gunge in Wicks. It sets hard enough not to rub off on clothes, etc, but remains very flexible.
Comes in a standard sized sealant gun thingie, so lots of gunge for the money. I've used it on the car to seal things (most notably the rear lights and badge bar on the old Rover) - as it seems to stick to pretty well everything. Black in colour.
You could try the "Fantastic Elastic Flexible Glue" sold by Poundland in 20g tubes. I used it to repair one of those cheap Chinese solar powered lanterns about a month ago to reattach the fabric and spring collapsible globular shade to its top mount with hanging hook wherein the solar cell/NiMH cell and white LED reside.
It's been hanging off of the far end of our washing line in the back garden ever since with no signs of deterioration in the glued repair which seems to endorse the claim: "Highly resistant to shock impact, water and extreme temperatures".
However, this claim seems contrary to the the advice given elsewhere on the package: "For indoor use only". I can't imagine where high resistance to water would be useful in an indoors environment short of being used in close proximity to a shower head or for fixing something onto a sink splash-back or a similarly frequently drenched location.
My experience suggests that maybe it shouldn't be used where it will be permanently immersed in water such as sticking something onto the bottom of a pond liner or repairing a small pond/fountain pump since a month's worth of a mixed bag of weather conditions including a mix of several heavy and light rain showers seems to have done it no harm.
For just a quid, I think it might well be worth a punt unless you're anticipating the bell housing spending days or weeks submerged in a deep pool of water on a regular basis. :-)
I'm after something that does the same as original Bostik. The idea is to stick rubber to aluminium in such a way that it can be removed at a later date without destroying the rubber.
The petroleum based solvent was highly flammable in vapour form. Not a good idea to smoke when using it.
The cured organic glue itself would burn quite nicely too once alight.
Others have suggested silicone sealant but you might need to be careful there - most of them emit acetic acid as they cure and that may have serious corrosive effects on mild steel or aluminium parts.
Acrylic sealant might be a better choice. But real Bostik is still available if you ask nicely in the sheds. It won't be on the shelf because solvent based glues because popular for abuse.
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