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: tiny pinhole in aluminum rad repair? BillaVista 08-03-2002, 05:03 PM Stupid me just put a tiny pinhole in my aluminum rad. What's the best way to repair it? Solder? some kind of stop-leak or metal putty? Can any of these be done with the rad in the vehicle (access is not a problem)? beerisgood 08-03-2002, 05:30 PM if you know exactly where the crack is you could weld it or use something like jbweld. what determines if its a repair or replace job is how big and where the hole is at. Slagburn 08-03-2002, 05:31 PM solder, braze, tig. On_The_Rocks 08-03-2002, 05:35 PM throw a few eggs in it and a big can of black pepper good as new Maine Jeepah 08-03-2002, 06:03 PM Originally posted by On_The_Rocks throw a few eggs in it and a big can of black pepper good as new Some tobassco sauce, or ketchup would really complete the meal. I'll have a large OJ with that. :p Solder it. MJ PIG 08-03-2002, 06:05 PM Bubble gum......:confused: MetalMender 08-03-2002, 06:08 PM WELD IT ! I fix lots of aluminum stuff and it sucks trying to weld an area that sombody tried to repair with some wonder putty in a can:mad: Now if it is a trail fix thats ok but being that you have access to it and it's in the garage I would fix it correctly. Sorry about the rant but I see it all the time My .02 rich PJR 08-03-2002, 06:56 PM www.alumaloy.net smurfsdad 08-03-2002, 07:48 PM EPOXY BillaVista 08-04-2002, 01:26 PM Great - everything from bubble gun to TIG welding....guess I'll just pick one and see :flipoff2: For those that said solder....are you sure you can solder aluminum? What solder / flux? MetalMender 08-04-2002, 02:08 PM Originally posted by BillaVista Great - everything from bubble gun to TIG welding....guess I'll just pick one and see :flipoff2: For those that said solder....are you sure you can solder aluminum? What solder / flux? Bill Here are some aluminum gas rods that I found that your local welding shop should be able to get . Allstate "sealcor" aluminum gas rod flux cored Allstate" # 55 rubbon" fluxless aluminum solder Allstate "strongset #509" high strenght aluminum solder which I belive needs a flux. hth rich BillaVista 08-04-2002, 03:42 PM Rich, That rocks - thanks for the tech info. I may just try bubblegum with a dash of tobasco tho :flipoff2: mud-magnet 08-05-2002, 08:10 AM hey bill, we had a pin hole in my dads zuki rad....... and me got "tech-steel" its like a puddy you mix with your fingers and smear it on, its still holding till today............ reddwarf 08-05-2002, 10:24 AM You could have a little monkey stand up there and add water as it drains out:flipoff2: How about taking it to a radiator shop? Welding aluminum is tricky if you're inexperienced because of it's super heat conductivity. You'd feel like a tool if you ended up making the hole bigger. Also, JB Weld, while a great trail fix, is far from permenant. It doesn't expand and contract like metal does, so after so many heat cycles, it gets brittle and flakes off. I vote for a shop. I solder up my own copper/brass radiators, but on something more valuable like aluminum, I'd take it to the pros. Also, they shouldn't charge you more than about 10 bucks. | |