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04-28-2013, 11:54 AM | #1 |
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Join Date: Apr 2011
Posts: 70
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Radiator cleaning
I have read numerous posts about cleaning the radiator with vinegar. Why not use a commercial radiator flush such as made by Peak? Is this a cost issue, performance question or is Peak to harsh for an old radiator?
If rush is the primary culprit, how about using CLR? |
04-28-2013, 12:04 PM | #2 |
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Location: Noxon Montana
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Re: Radiator cleaning
If I need something stronger than vinegar, I will take the radiator to a radiator shop and have it proffessionally flushed and then pressure tested for leaks. The cost the last time for me was $50. Be sure to use a reputable shop that won't try to con you into a new one when yours is still good.
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04-28-2013, 12:34 PM | #3 |
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Location: Oregon
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Re: Radiator cleaning
Note that the Model A does not have a pressurized cooling system! By the time that radiator shop has pressure tested your radiator it may well have a lot of leaks that weren't there before. Then they will sell you on a recoring job for several hundred bucks and install the top an bottom tanks incorrectly so the radiator shell doesn't fit right, etc. etc.
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04-28-2013, 12:45 PM | #4 |
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Location: Indiana
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Re: Radiator cleaning
It tried to clean mine with CLR and it didn't do much for it. Ended up I had it boiled out at a radiator shop for $65.00.
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04-28-2013, 12:56 PM | #5 | |
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Location: FRESNO, CA
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Re: Radiator cleaning
Quote:
Chief mentioned the use of Vinegar in the "OLD" days for rust & calcium deposits & kerosene for greasy deposits. Bill W.
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04-28-2013, 02:01 PM | #6 | |
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Re: Radiator cleaning
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04-28-2013, 02:24 PM | #7 |
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Join Date: Apr 2011
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Re: Radiator cleaning
I'm convinced. Will try vinegar and post my results.
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04-28-2013, 07:20 PM | #8 |
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Location: Daytona Beach, Fl & Spencer, W. Va,
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Re: Radiator cleaning
Nlbloch ....................
The EPA has put such restrictions on commercial radiator cleaners, that it is practacaly useless now. It is not your father's radiator cleaner. Vinegar is not harmful to the environment either. It works great. Just run it for a couple weeks, or so. You wil be amazed at what flushes out. MIKE |
04-28-2013, 07:27 PM | #9 |
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Location: De Pere, WI
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Re: Radiator cleaning
Anyone know of any places near Green Bay, WI that will boil out a radiator?
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04-28-2013, 07:31 PM | #10 |
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Join Date: May 2010
Posts: 319
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Re: Radiator cleaning
You can buy lye crystals at a good hardware store. That is the same thing radiator shops use.
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04-28-2013, 09:03 PM | #11 | |
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Join Date: Mar 2011
Location: Noxon Montana
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Re: Radiator cleaning
Quote:
I have had mine pressure tested to 15 .lbs with no leaks. But, the shop is owned by a long time friend of over 40 years. I know the A was designed without a pressurized cooling system, but that doesn't mean you must keep it that way. Water boils at a higher temperature under pressure, therefor making the cooling sytem more efficient.
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04-28-2013, 09:15 PM | #12 |
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Location: Savannah, GA
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Re: Radiator cleaning
I built the two PCV adapters in "The Restorer" a few months back.
They do push a lot of rust and gunk backwards through both the block and the radiator after a 1 week vinegar run. I didn't have the guts to try the kerosene. Running full distilled and some Water Wetter for corrosion protection, the Rexaco certainly shows a few degrees cooler running, but we haven't gotten to August yet...
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04-29-2013, 11:16 AM | #13 |
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Join Date: Jan 2013
Location: Richmond Hill, Ontario Canada
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Re: Radiator cleaning
I used Borax, block the inlet and outlet, hot water and a box of Borax, fill the rad and put the cap on, 24 hrs latter, run hot water through to flush out rad. Worked great for me!
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04-29-2013, 11:42 AM | #14 |
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Location: California
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Re: Radiator cleaning
You father's radiator cleaner contained oxalic acid and sodium bicarbinate. It came in a 2 part container. The oxalic acid was used to clean the radiator and the sodium bicarbonate was used to neutralize the ocalic acid after the flush. Sodium bicarbonate is baking soda which can be found at most grocery stores. Oxalic acid can be found a most hardware / home improvement stores, it is used to bleach wood decks.
The procedure was: Drain radiator Fill radiator with water and about 1/2 - 1 cup oxalic acid, be careful with acid Start engine and run until normal operating temperature is achieved Idle or drive around for 1/2 to 1 hour Drain radiator Flush with water Fill radiator with water and 1/2 cup of sodium bicarbonate Start engine and run until water is well mixed Drain radiator Flush radiator Fill radiator with coolant. WARNING Oxalic acid is a mild acid but it can still harm skin and eyes. WEAR rubber gloves and eye protection when using oxalic acid. Bob |
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