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Old 01-20-2006, 04:57 PM
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Radiator flushing stuff

Was looking in the radiator of my wifes car and noticed lots of crud building up around the tubes. Wondering if anyone ever used pool acid in the radiator and engine to remove the crud? Or maybe some CLR? Or Vinegar? Just hate to have to replace the radiator right now.

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Old 01-20-2006, 06:00 PM
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I have found that the product that these guys sell works very well, you need a flush machine to properly flush, but I'm sure you could flush with a garden hose. If you are interested in there product and cant find any locally I could send you some. I use BG product every day. Its not cheap but works well.

Steve
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Old 01-21-2006, 08:26 AM
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Thanks for the reply Steve. I may try scraping some of the crud off the tubes and test it with vinegar and see if it dissolves it. Just don't want to ruin the solder on the tanks and heater core.
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Old 01-21-2006, 09:23 AM
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DuPont use to make a great radiator flush, but I have been unable to find it in a number of years. I have used Prestone radiator flush several times with very good results. Follow the directions and do not rush it. The instructions even tell you to drive the vehicle for a few days with it in the system.

Vince
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Old 01-21-2006, 10:50 AM
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Jmark
I don't know why but it sounds like you are talking about the outside of the radiator not the inside, everyone is saying radiator flush and that is for the inside, the outside you could take it to a car wash, spray the radiator down with grease desolver let it sit for a little while then pressure wash it off with hot water and it will clean the tubes up real well, other wise I would use a radiator flush for the inside.

30dee
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Old 01-21-2006, 12:59 PM
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When I flushed the Dexcool out of my '98 Monte Carlo, I used some stuff that you let run in the engine for several days. It might have been the Prestone brand that 302 mentioned. I drove about a week locally, then flushed it and I used some of the 15-20 minute stuff. Worked pretty good.
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Old 01-21-2006, 02:09 PM
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I 've thought about using CLR or something similar--I mean the crud is mineral deposits from the water.
I would disconnect the lower hose, plug the rad outlet, fill with CLR , and soak for a while.
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Old 01-21-2006, 03:05 PM
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If your cooling system has aluminum in it, you'll want to stay away from anything with strong acids in it. There are industrial strength radiator flushes, but most of them are for old cars with copper core radiators. CLR is a no no on new cars.

Prestone Superflush is what I use on modern cars. Use a flush specifically for radiators and read the instructions thoroughly.


Brian
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Old 08-21-2010, 08:54 AM
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Radiator Flush

Quote:
Originally Posted by 1931 steve
I have found that the product that these guys sell works very well, you need a flush machine to properly flush, but I'm sure you could flush with a garden hose. If you are interested in there product and cant find any locally I could send you some. I use BG product every day. Its not cheap but works well.

Steve
HEY STEVE, I'LL TAKE SOME, HOW MUCH IS IT? DON'T FORGET TO ADD SHIPPING COST AND DIRECTIONS PLEASE. lburgau@aol.com
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