edrach Posted February 21, 2012 Share Posted February 21, 2012 Two weeks ago I found a hairline crack in the top of the radiator in my '97 Impreza. Pressed for time and not being able to order a replacement, I used JBWeld for a temporary repair. It held up for just under two weeks and failed again in the exact same spot as before the fix. I installed a new radiator today for a permanent repair. See the crack here: Quote Link to comment Share on other sites More sharing options...
jamesm113 Posted February 21, 2012 Share Posted February 21, 2012 I had a similar leak on my legacy's radiator. Considered JB weld, but swapped out the radiator instead. Good to know JB weld would work for a couple weeks Quote Link to comment Share on other sites More sharing options...
obk25xt Posted February 21, 2012 Share Posted February 21, 2012 I did that too on an SVX I owned once. I was too broke to buy a replacement, and was commuting 140 mile a day. I went so far as to find the ends of the crack, and drill them to prevent the crack from growing. Then I filed/sanded and scuffed so the JB would have something to adhere to. It worked for a while, I don't remember how long exactly. But ya, things we do to get by.. Spencer Quote Link to comment Share on other sites More sharing options...
Fairtax4me Posted February 21, 2012 Share Posted February 21, 2012 Wait, where's your can of Flex-Seal? https://www.getflexseal.com/?tag=im|sm|go|tm&a_aid=011&a_bid=a4cc8494 It fills cracks and holes! JB to the rescue! A friend of mine broke the inlet off of the radiator on his Volvo once. There was about 1/4" left on the radiator, he rest was stuck in the hose, so after we cut the hose off we got out the JB and cleaned everything up really well, then stuck them together with duct tape to hold it over night. Next day we put a second coat inside and out for extra hold. That fix lasted for years. He drove it through college, and about 80k miles with it like that. Quote Link to comment Share on other sites More sharing options...
bendecker Posted February 21, 2012 Share Posted February 21, 2012 5 years ago, I got a bit crazy with the speed on a dirt road with my un-lifted Legacy wagon. At the end of the trip, gas was drippping from a newly formed hole in the gas tank. JB Weld to the rescue! We let a ball of it cure right to the point where it was ready to set, and shoved it up into the hole. After it set, we cleaned around the patch really well and put on another coat. It's still holding to this day. Love that stuff. Quote Link to comment Share on other sites More sharing options...
CNY_Dave Posted February 21, 2012 Share Posted February 21, 2012 A bit of scuffing and a layer of even paper between layers of JB and it probably would have lasted forever! Quote Link to comment Share on other sites More sharing options...
aa8jzdial Posted February 22, 2012 Share Posted February 22, 2012 press some window screen mesh into the Jay Bee. I bet the radiator would outlast the vehicle. Quote Link to comment Share on other sites More sharing options...
Rooster2 Posted February 22, 2012 Share Posted February 22, 2012 I bent a high pressure line on my VW A/C . Upon straightening out the line, it split open. JB to the rescue. I cleaned all surfaces, applied JB, and let it cure for several days. I refilled with 134a, and the JB held up for years. I sold the car with the A/C still keeping the car cool. JB.........is pretty amazing. Trick is to super clean all surfaces, and give JB a few days to harden like steel. Quote Link to comment Share on other sites More sharing options...
Ricearu Posted February 22, 2012 Share Posted February 22, 2012 jb'd a wallowed out crank key way on a 1.8 impreza. Bought the car with a kajillion miles on it and a loose crank pulley. We got a new crank pulley did the timing belt/waterpump/idlers, filled the void in the crank snout with JB added a little for some extra love and impacted it on with my snap on MG725 LIKE A BOSS. Let it set for a couple days and my buddy drove it like that for a long time! Quote Link to comment Share on other sites More sharing options...
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