water leak

[Veedubgt18v]

its definately a get u out the sh!t temporrarily product.

[tobz.]

and yes i do believe lots of people have problems because they don't use it right, for example i always set the heater to hot when using the stuff, and never had a problem with the matrix.

Setting the heater to hot would make absolutely no difference on a mk2 golf, how would this avoid matrix problems

[AudiA8Quattro]

and yes i do believe lots of people have problems because they don't use it right, for example i always set the heater to hot when using the stuff, and never had a problem with the matrix.

Setting the heater to hot would make absolutely no difference on a mk2 golf, how would this avoid matrix problems

Its what i do on any car when using radweld, also i leave the cap off the expansion tank for 5-10 mins to prevent any airlocks.
Never had a problem, so i must be doing something right!

[rubjonny]

But how many times have you done this on a MK2 Golf
The problem is you can never be sure how often its been done in the past, after seeing what it did to the coolant channels in my engine, I'm not going to risk using it no matter how many bottles it would take.  It could mean the difference between having a heater that works all through the winter or having to lie down in your footwell on a cold wet weekend in November swapping the matrix (but I'm not bitter )

It is good practice to always have the heater set to hot before doing work on the cooling system, if in doubt that the controls affect coolant flow through the matrix.  As said on a MK2/MK3 Golf this has no impact whatsoever, but on earlier VWs such as the MK1 Golf there is a tap on the inlet pipe.

[AudiA8Quattro]

3 mk2 golfs, 2 mk3 golf. i think, as far as i can remember.
Maybe flushing the coolant system thoroughly first would be advisable then before using a product such as radweld.
I would only use it for very small leaks anyway as i said. That is when it is very hard to see where the leak is coming from, as often the system can leak when under higher pressure ie. when driving.
I would always tell people to sort the leak, if you can see the leak, then fix it, if its only a small pressure leak that can't easily be found then try radweld, but use the precautions that i listed above. That is what radweld is designed for, small pressure leaks, not bigger leaks. Some people probably do keep putting the stuff in, bottle after bottle, to cure an obvious leak that should be fixed, in your case Johnny i would suggest that is what happened to your car in the past.

[rubjonny]

God knows tbh, probably the same joker who forced the rad fan plug on the wrong way round, and 'installed' an electric aerial by twisting the wires together and putting black tape round it!

I did flush it pretty soon after I got it as the coolant was a nice shade of brown probably why it started leaking, flushed out all the radweld holding the rad together!