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The outlet pipe on my brass radiator expansion tank has come loose.
Problem is, the tank needs to be pressurised for the cooling system.
Anyone recommend a very strong metal putty or glue that will likely bond it well enough?
Tried one and it wasn't strong enough.
It's a little thing but keeping the car off the road at the mo.
Cheers
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Last Edit: Oct 9, 2011 9:37:21 GMT by alolympic
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I've used Evo-Stick Hard & Fast Metal Epoxy Putty to rebuild a fair sized chunk of the thermostat housing on my Fiesta and have also used it to seal the top hose outlet on the Volvo's radiator. It needs to be properly worked into whatever it is you want to seal and it does need to go onto a clean surface but it has lasted about 18 months so far on the fiesta (driven 60 miles a day at the moment) |
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Last Edit: Oct 9, 2011 9:47:17 GMT by ben711200
...proper medallion man chest wig motoring. |
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Al, I'm converting to the Volvo expansion tank as has been discussed on the other place a lot recently. My old one (plastic, not brass) still seals well, but I've upgraded the rest of the cooling system, so I might as well. In for a penny...
You're welcome to take the old one to get you back on the road.
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...and me too ;D I was a little sceptical after trying chemical metal and not being at all impressed with it, but I have to say JB Weld is just awesome! Get the 'original' stuff, not the quick set version and you won't regret it. ( THIS STUFF) Amongst various things I have used it to hold on the mounting points for the GRP snorkel on my Delica. The pressure needed to hold it flat against the body (it tries to spring out) cracked all the original fibreglass mounting points, but some JB Weld to 'set' the captive nuts into the GRP and it's holding rock solid a year or so on. I also used it about 6 months ago to repair the auto transmission cooler on my Delica it got split open. Cleaned up the area, degreased, smothered it in JB Weld and refitted. Perfect! Not a hint of a leak since. The original stuff is much slower to set, but if you leave it 24hrs it really does set flipping hard. I can't rate it highly enough. Oh...and it's also used to seal various metal joints on the fuel system on Project X where the step down between two sleeved pipes wasn't enough for a snug fit (a couple of mm gap between the larger and smaller pipe). Filled with JB and left overnight, it's been perfectly sealed ever since. |
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Done. JB Weld purchased for a few pounds on the bay.
Thanks guys.
I'll try that as easier than a replacement at this stage - especially as I spent ages stripping and repainting it last year.
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I also recommend JB weld as it really hardens and sticks like nothing else. Just remember that it gets quite runny after mixing, so make sure your object is laying really flat and you don't put on too much on making it run down the sides (when it hardens you'll have to grind it off!)
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scruff
Part of things
Posts: 621
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Oct 10, 2011 11:39:29 GMT
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If it's brass why can't you solder it? Or even hard solder (AKA Silver solder)
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1994 Lotus Esprit - Fragile red turbo with pop up lights.
1980 Porsche 924 - Fragile red turbo with pop up lights.
I spy a trend...
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Oct 10, 2011 15:45:55 GMT
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I've used Evo-Stick Hard & Fast Metal Epoxy Putty to rebuild a fair sized chunk of the thermostat housing on my Fiesta and have also used it to seal the top hose outlet on the Volvo's radiator. It needs to be properly worked into whatever it is you want to seal and it does need to go onto a clean surface but it has lasted about 18 months so far on the fiesta (driven 60 miles a day at the moment) I used this to patch up a split renault 5 GT turbo intercooler did an awesome job! Its properly fantastic stuff! |
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Oct 13, 2011 13:42:16 GMT
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Devcon, but expensive. Have used JB Weld for a similar thing, on a Renault cyl head that was literally crumbling to dust, never seen such a corroded mess. A coolant stub fell off. JB Weld repair lasted fine, probably outlasted the car.
Make sure the surface is super-clean/degreased, and coarsely sand/scuff so it has something to bite onto.
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'66 Amazon <-> '94 LS400 <-> '86 Suzuki 1135 EFE
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