is using radweld type products good or bad idea

[rob07]

Hi,I know its better to have a radiator properly looked at but I`m just trying to stop some small leaks from the casing joints (not the core).will these products impare my antifreeze function and will they clog up the core.

[stevieturbo]

Most are fine to use.

[Discopotatoes]

I would normally say fix the problem properly, but after my brand new rad sprung a leak where the tank met the core I decided to give k seal a chance before I ripped it out and had a new one made, I'm glad I did as it cured the leak and and now have a coolant system that works perfectly

[rambo19]

K seal or barrs leak are ok, not radweld, blocks the heater matrix.

[Old Merc]

All this stuff works but its only a temporary fix and it can clog up the heater.Get a new radiator as one red hot day stuck in traffic on the M25 it may blow again.

[rob07]

Thanks for the advice,which seems to be, can be harmful.

[one eyed mick]

Barrs leaks is the only one I trust ,have used it for years on every thig from kit cars to excavators

[Jack_and_MLE]

Bad or good product.

Bad if you are looking after the car as it will settle in all the pipes I have discovered that when re-doing the cooling system of my Caterham 21. Most of the metal pipe where cake with the stuff.

Good, if you want a quick fix and hide a bigger problem ( head in the sand situation)

Jack