luckyseven
Posted a lot
Owning sneering dismissive pedantry since 1970
Posts: 3,839
Club RR Member Number: 45
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Radweldluckyseven
@luckyseven
Club Retro Rides Member 45
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Not sure exactly what the proprietory brand of gunge was. All I got was that the radiator had leaked but he'd "sorted it". I agree that the amount of radweld* (*insert brand name here) he evidently filled it with, it probably would have been cheaper to have just bought a new radiator It was one of those moments when you realise just cos you've bought a car from someone at work you're going to see every day it doesn't mean you should trust them any more than buying from Random Internet Man. Learnt an object lesson in trust that day
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I found all that stuff gungeing up my thermostat and all the small crevices! It was a nightmare to remove - I blame it being stood for too long tbh, but I don't know how crystallisation etc of coolant or whatever additives work.
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I have some copper fillings thing in my MR2 as it had a leak that we couldnt trace, it looked like the water pump was leaking but it was bone dry around it, so looked all around the area and nothing. But a drip kept coming down the side, so it was either take the engine out and replace things blindfolded hoping for a cure or just try a few leak stops.
Either way worst cases were the engine would need to come out for a resolution, so we tried leak fix and the leak hasn't been back in nearly 3 years and no heating issues at all, with water pressures being fine.
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Some days you just need to take a grinder to an inanimate object, just to make your day a tiny bit better!!
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sp1tom
Part of things
Posts: 46
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i've used the white of an egg and radweld succesfully as a permanent fix....probably won't use radweld again though after seeing the state of those pipes!
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MonzaPhil
Posted a lot
Think like a man of action, act like a man of thought
Posts: 2,454
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We use K-seal if we really have to but my temporary fix was blu-tack, held up for weeks before I got my rad re-cored. I guess chemical metal is the professional way
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This is now a clicky linky!
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I've used the egg trick and it worked well enough.
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In an emergency I have used car body filler (on the outside, NOT inside) to bung up a hole.
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Volvo back as my main squeeze, more boost and some interior goodies on the way.
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dgo
Part of things
Posts: 41
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In my view it depends on where the leak is. I used it in my cortina 10 years ago to repair a pinhole in the rad and it hasn't leaked since
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bortaf
Posted a lot
Posts: 4,549
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My experience of it would lead me to say "DON'T DO IT!". *ahem* sorry for shouting, but I have a hatred of bodgery, especially after spending a fair while trying to reclaim an MR2s cooling system from the previous owners' attempt to "cure" a leak with radweld . Even adding the disclaimer that an SW20 cooling system is slightly more complex than quantum physics and has more pipework than the Large Hadron Collider, it was one of the more hateful experiences I've ever had with a car. If there's a problem I'd say fix it, not try to cover it over with a sticking plaster. This is what I had to put right.... As an addendum, K-seal is possibly even more hostile, there was a spate of it apparently contributing to the demise of rotary engines some years ago after a certain trader in the UK managed to persuade the rotary community that it was the best thing evarr. Apparently not, it does horrid things to alloy components, water seals and bearing surfaces. I guess this may not be much of a concern on Avenger lumps, lol, but it's one of those things that I find it suspect that not a single manufacturer would stand by an engine with such additives running around inside. Just my 2ps worth, like Sorry but that is quite obv more than one treatment in there ! used rad weld untold times and yes you get that result with many uses and yes it will block up small bore pipes, ilke the intercooler hoses on rover diesels and bleed pipes ect and it doesn't last that well hense more treatments and then you get that mess which is not the fault of the product but of the user Kseal only works on heads really, it relys on the combustion heat to melt the small copper particals into the crack or gap into the combustion chamber, i don't find it seals rads that well TBH, the clue is in the name Kseal, invented to seal the head gaskets on K series engines, used it with great sucess on many many lucidas with cracked heads and prolonged many a slightly blown HG with no bad side affects when the time finaly comes to doing the job right. TBH if it's a rad gloop some filler, blue tac , chewing gum ect ect round the hole, all better than rad weld "IF" one treatment wont do the trick.
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R.I.P photobucket
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Davenger
Club Retro Rides Member
It's only metal
Posts: 7,272
Club RR Member Number: 140
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RadweldDavenger
@dminifreak
Club Retro Rides Member 140
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Well, I went for it. Seems to have done the trick for now. Still going to replace the radiator, just for peace of mind
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grumpy
Part of things
Posts: 557
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Radweld has been around for donkeys years - it wouldnt still be around if it didnt work . Used it a few old minis and fiestas no problem . Glad its done the job !
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