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Old 07-29-2009, 09:58 PM   #1
JohnKoaWood
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Default How to clean dirty coolant tank?

The topic is what I was wondering......I bought a used coolant tank from a fellow lister, when it arrived it had a nice almost white appearance, but the inside of the tank was ...well...a little grungy... headgasket or oil cooler seals gone bad... The one on my car is BROWN, not dirty, but very BROWN...


So I tried:
Tide..................Nope
Clorox...............Nope
Mineral Spirits....Nope
Goof off.............Nope

took breather...explained to wife that bathtub will be OK, and YES I will clean up my mess...BUT I had to get this part clean first...

Baking Soda......A Little but NOPE
Krud Kutter........Nope
Goof Off Gell......Nope
GASOLINE.........NOPE..and don't try it...

then I waited...letting it soak in mixture of chemicals....
days passed...wife asks me to move part for kids to use bathtub...OK

more days pass....

then I had an idea....

What's the best part of Waking Up???

It's Folgers in your tub...
Click the image to open in full size.

MMMM...I like the results....
Click the image to open in full size.

All flushed out, NOW I can't wait to get this thing installed....
Click the image to open in full size.

All those other things didn't do a damn thing to the crap on the inside of the tank, but $1.00 or so worth of Coffee stripped that gunk right out... some vigourous shaking involved... but voila... now it can go into the engine bay....
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Old 07-29-2009, 10:17 PM   #2
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Your car will have coffee breath. NIZASTY!

Looks good! lol
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Old 07-29-2009, 10:21 PM   #3
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Would have never guessed. How on earth did you figure that out?
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Old 07-29-2009, 10:24 PM   #4
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Coffee ????? really......... what made you think of that ? LOL

Nice job, I tried all kind of things like you did, gave up and bought a new one.

Will give coffe a try, was that leaded or unleaded ?
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Old 07-29-2009, 10:26 PM   #5
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I always thought people used things like bleach, lemon juice and sometimes salt to clean stuff like that.
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Old 07-29-2009, 10:31 PM   #6
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Quote:
Originally Posted by 944obscene View Post
Your car will have coffee breath. NIZASTY!

Looks good! lol
Thanks... I was like..you have got to be kidding me

Quote:
Originally Posted by ritzblitz View Post
Would have never guessed. How on earth did you figure that out?
Lucky guess... I walked into the kitchen looking for abrasive, but not water soluble... salt and such just dissolve...

Quote:
Originally Posted by David Floyd View Post
Coffee ????? really......... what made you think of that ? LOL

Nice job, I tried all kind of things like you did, gave up and bought a new one.

Will give coffe a try, was that leaded or unleaded ?
Full tilt, medium roast... walked into the kitchen and thought "why not, I've tried everything else... and want to say I tried EVERYTHING before buying a new one..."

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Originally Posted by 944obscene View Post
I always thought people used things like bleach, lemon juice and sometimes salt to clean stuff like that.
Me too, go figure, a couple spoon fulls of coffee grounds, some water, and shake...
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Old 07-29-2009, 10:37 PM   #7
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your a genious wow thats great! what did it look like before?
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Old 07-29-2009, 10:38 PM   #8
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Hmmm.... Now I am reconsidering my coffee tomorrow...
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Old 07-29-2009, 10:40 PM   #9
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it was white, but NASTY on the inside.... I didn't get any pics before I started , but shot a PM to the lister I got it from to ask him if he has any pics of it...
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Old 07-29-2009, 10:44 PM   #10
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Think there's anything we could put in the tank (while it's empty of course) to seal the plastic and preserve the white finish?
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Old 07-29-2009, 10:47 PM   #11
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Quote:
Originally Posted by 944obscene View Post
Think there's anything we could put in the tank (while it's empty of course) to seal the plastic and preserve the white finish?
The yellowing is heat caused, from the outside in... a result of the material choice durring the manufacturing of the tanks..
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Old 07-29-2009, 10:50 PM   #12
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you could always paint it and tap two holes with 2 small J pipes and connect with a clear piece of tube between them to tell if the coolant level is adequate but of course that just 2 more places it can leak but if done right you shouldnt have problems
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Old 07-30-2009, 01:46 AM   #13
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Wow....

You learn something every day!


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Old 07-30-2009, 02:16 AM   #14
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I have to laugh that coffee worked so well. I had a tank that laughed at any chemicals but the only discoloration was from residue. I put some fine gravel in it with water and shook it around through all the chambers; getting all the gravel out took longer than all the other cures combined. I'll give the coffee a try but I still think it's one of those miracle concepts I'll never fully comprehend.
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Old 07-30-2009, 02:18 AM   #15
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John, that is awesome! Looks like I've got (yet) another project


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Old 07-30-2009, 02:18 AM
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