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Radiator sealers

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jimbob

10-17-2002 17:52:41




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Has anyone got any experience with barsleak and the like in the thermo-siphon systems? My H after being drained for two years has developed a couple of pinhole lea




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Chuck

10-18-2002 15:01:35




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 Re: Radiator sealers in reply to jimbob, 10-17-2002 17:52:41  
jimbob, i fixed my 730 radiator with bars leak still holding after 6 months, make sure you get the bars leak with pellets.



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jimbob

10-18-2002 16:09:16




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 Re: Re: Radiator sealers in reply to Chuck, 10-18-2002 15:01:35  
Thanks to all that replied



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G Taylor

10-18-2002 07:24:07




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 Re: Radiator sealers in reply to jimbob, 10-17-2002 17:52:41  
You could avoid overheating problems from coating the inside of the cooling system with any of the various wonder fix "goo" products. Just replace the rad core with a new one.



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Loren

10-18-2002 04:16:32




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 Re: Radiator sealers in reply to jimbob, 10-17-2002 17:52:41  
Can't tell you the brand, but I have had good success using powdered aluminum. It comes in a small plastic tube and is available at all auto parts stores. The only time it hasn't worked completely for me is in my current car. It has a leak on the back side of the engine where I can't see the source. Every time we parked, a long stream of coolant ran out from under the car. I put this aluminum in it but apparently the leak was too large to fill. I still get a few drips on the floor each time we park the car. Considering the dealer told me he would have to pull the engine (for $600) to determine the leak, I thought my "almost" solution was quite successful. I have used this powder on many vehicles. This was the heaviest leak and is the first time I didn't get complete sealing.

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Jerry S

10-18-2002 07:23:34




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 Re: Re: Radiator sealers in reply to Loren, 10-18-2002 04:16:32  
I think the best of the aluminum sealants is alumaseal. The other brands might work but that one has a finer texture and seems to seal tighter.



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chris

10-17-2002 19:52:10




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 Re: Radiator sealers in reply to jimbob, 10-17-2002 17:52:41  
Conklin dealers have a product called DIKE, actually watched a JD A stop leaking in 20-30 minutes with it running. Was more than a pinhole also. Have used Dike many times with success.chris



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Jericho

10-18-2002 16:04:25




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 Re: Re: Radiator sealers in reply to chris, 10-17-2002 19:52:10  
After using Bars Leak and some others with limited success in my vehicles, a mechanic-friend of mine gave me some DIKE. I now swear by this stuff. It has never failed to completely and permenantly stop leaks for me. It is pretty hard to find DIKE, but it sure does do the job!



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JD JACK

10-17-2002 18:59:54




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 Re: Radiator sealers in reply to jimbob, 10-17-2002 17:52:41  
An old mechanic told me, that egg preserver will seal up cracks. You can get a drug store. Has
anybody else tried this?



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easydoesit

10-18-2002 05:31:24




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 Re: Re: Radiator sealers in reply to JD JACK, 10-17-2002 18:59:54  
My father used black pepper in several of our tractors. Works good. He said that they used it alot in the 1930's. ???



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CJDave

10-18-2002 06:03:08




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 Re: Re: Re: Radiator sealers in reply to easydoesit, 10-18-2002 05:31:24  
I came from the "cowboy country" of California, and the favorite trick there was for the cowboys to put horse s#it in the radiator. It plugged the leaks and also the tubes of the radiator. BARS LEAK was always my favorite radiator additive.



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gwh

10-17-2002 19:49:58




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 Re: Re: Radiator sealers in reply to JD JACK, 10-17-2002 18:59:54  
JD Jack, Your talking about a fluid called "Water Glass", came in a quart can, years ago my dad used it to glue the labels on 5# honey cans he sold. gwh



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RayP(MI)

10-18-2002 18:35:33




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 Re: Re: Re: Radiator sealers in reply to gwh, 10-17-2002 19:49:58  
Chemical name for that "water glass" is sodium silicate. Have no personal experience, but others have told me of good luck even with nasty cracks in heads and water jackets.



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Clooney

10-17-2002 18:39:20




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 Re: Radiator sealers in reply to jimbob, 10-17-2002 17:52:41  
jimbob, that type of sealer will work in a thremosiphon system but your success rate will improve greatly if you help it circulate.
~Adding a temporary small pump to the block drain & having it pump into the open radiator filler will help it circulate, or you can install a petcock in the block drain opening & allow the coolant with sealer to slowly drain into a can then keep pouring back into the radiator, or at the very least premix the bars-leak with hot coolant then pour it in the radiator. If you just pour the bars-leak in the radiator most of it will just sink & stay there.

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Roy

10-17-2002 17:59:30




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 Re: Radiator sealers in reply to jimbob, 10-17-2002 17:52:41  
I've had good luck with a product called Block Seal.



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Roy

10-17-2002 17:59:16




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 Re: Radiator sealers in reply to jimbob, 10-17-2002 17:52:41  
I've had good luck with a product called Block Seal.



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