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Cleaning out Radiator

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Old 10-31-2008, 12:38 AM
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Cleaning out Radiator

What would be the best way to go about cleaning out my radiator while it is out of the car?

Let me clarify, the rad is pretty new with very little run time on it but the last rebuild; very short lived rebuild, had very dirty coolant and I wanted to be sure everything was out of my rad before putting it back in.

It is all alumnium....what would be a good chemical/mix to put in, let sit, and rinse out (looking for a cheaper alternative to chemical flushes)?
Old 10-31-2008, 01:56 AM
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Re: Cleaning out Radiator

at freightliner we use cascade liquid dishwashing detergent, dont laugh it works wonders.
Old 10-31-2008, 09:29 AM
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Re: Cleaning out Radiator

No laughing here. I just want to make sure any sediment that may have settled is gone (for the most part).
Old 11-10-2008, 12:10 AM
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Re: Cleaning out Radiator

Any other ideas?

Preferably something I can mix with water, dump in the rad to fill it up, let it sit, and rinse it clean (its out of the car).
Old 11-15-2008, 08:53 PM
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Re: Cleaning out Radiator

I have to agree with Daves03. I have always used cascade liquid on my aluminum radiators. Look what the stuff does for aluminum pots and pans in the dishwasher. I put a quarter bottle in there and half a gallon of water, plug it up, shake it then, lay it flat and fill it up, let it sit for a couple hours, then shake it up and rinse it all out. Works wonders.
Old 11-16-2008, 12:18 PM
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Re: Cleaning out Radiator

Thanks guys I will use the Cascade!
Old 11-16-2008, 01:01 PM
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Re: Cleaning out Radiator

Be sure to let us know how it turns out.
Old 11-19-2008, 12:16 AM
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Re: Cleaning out Radiator

Go cascade go!

Last edited by dfarah@live.com; 11-19-2008 at 01:09 AM.
Old 11-19-2008, 01:19 AM
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Re: Cleaning out Radiator

Originally Posted by CamarosRUS
What would be the best way to go about cleaning out my radiator while it is out of the car?

Let me clarify, the rad is pretty new with very little run time on it but the last rebuild; very short lived rebuild, had very dirty coolant and I wanted to be sure everything was out of my rad before putting it back in.

It is all alumnium....what would be a good chemical/mix to put in, let sit, and rinse out (looking for a cheaper alternative to chemical flushes)?
Okay. Externally, a vacuum will do. My friend also advised me to apply a liquid dishwashing detergent. Yeah it sounds ridiculous but it's worth trying.

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