05-17-2022, 08:05 AM | #1 |
Member
Join Date: Jun 2011
Location: Norwalk,Iowa
Posts: 50
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Leaky radiator
I am ready to setup my f1 engine after a rebuild so I have removed all the front body parts for better access. Now I need to remount at least the radiator so I can run the engine to make the necessary adjustments. The old radiator leaks at the bottom just above the lower tank. I would like to seal those leaks so I can use the old radiator and not risk the new one while I am still working around the front. Any ideas?
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05-17-2022, 09:45 AM | #2 |
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Join Date: Jun 2014
Location: Williamsburg, VA
Posts: 1,627
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Re: Leaky radiator
I had a similar problem of weeping along the edge of the top tank. I brushed it clean and painted on a layer of FlexSeal. You know, the stuff on TV that seals a screen door in the bottom of a boat. It has held up for two years with a four pound pressure cap.
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05-17-2022, 10:06 AM | #3 |
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Join Date: May 2010
Location: Napa,California
Posts: 6,037
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Re: Leaky radiator
In addition to the idea of Flex Seal, I was thinking of using POR-15 to seal it up.
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05-17-2022, 11:33 AM | #4 |
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Join Date: May 2010
Location: NJ
Posts: 6,181
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Re: Leaky radiator
Solder Seal has been around for almost 100 years. It works well for rad leaks. It's a powered that you put into the coolant. Worked every time I've had to use it.
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05-17-2022, 11:44 AM | #5 |
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Join Date: Mar 2011
Location: upstate NY
Posts: 478
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Re: Leaky radiator
It's hard to advise without looking at it. Assuming it's copper, why not heat it with a torch and resolder? I have had success with relocating my outlet fitting on a Walker rad. Just don't go to aggressive with the heat and loosen everything up.
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05-17-2022, 01:38 PM | #6 |
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Join Date: Jun 2011
Location: Norwalk,Iowa
Posts: 50
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Re: Leaky radiator
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05-18-2022, 10:01 AM | #7 |
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Join Date: May 2010
Location: Coral Springs FL
Posts: 10,950
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Re: Leaky radiator
Since your engine is a fresh rebuild don't cut corners at this stage of the game as you want it to run as efficiently and cool as possible. Take your radiator to a repair
shop and have it 'rodded out", dipped and cleaned and then resoldered. Also get a pressurized cap while you're making improvements. You will avoid problems later on. Like they say, "Pay me now or pay me later". Last edited by 19Fordy; 05-18-2022 at 10:17 AM. |
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