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Old 07-12-2008, 09:00 PM   #1
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How To Clean The Radiator

Hi,

I was mudding last weekend and now my adiator was covered with mud. I already tried to clean it with a pressure washer, but it seems like there is still mud and dirt on and in it.
On the highway the temperature is about 10 degrees higher than before and I need to turn on the heating to come down to a normal temperature.

How can I clean the radiator? Is there a special trick to do that?
Do I have to soak the radiator for a while to get all mud out of it?

Thanks for your help.

nicolas-eric

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Old 07-12-2008, 09:06 PM   #2
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best way is to take it out and wash out the fins with a hose. i'd be careful with a pressure washer, most of them are strong enough to damage a radiator. make sure you didn't lose any of the rubber cowling, or anything that controls air flow, i ripped the bottom cowl off mine a long time ago and it would run a little hotter till i replaced it.

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Old 07-12-2008, 09:11 PM   #3
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a buddy said that he cleans his radiator with some oven cleaning foam would help. is that a good idea?

i will take it out in 2-3 weeks when i install the e-fan that i already ordered.

btw. i have the feeling that the stock 4.0L with A/C radiator is undersized. does it make sense to install a better aluminum radiator instead?
I donīt want that the e-fan runs all the time because the radiator isnīt good enough.
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Old 07-12-2008, 11:54 PM   #4
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Spray the radiator starting from the top and going side to side very slowly. Do this water spray width working your way to the bottom. You will see alot more stuff runnning out of you radiator washing it out this way.
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Old 07-13-2008, 10:20 AM   #5
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Pull the shroud and wash it from the backside to the front. Plain old garden hose works fine. I would not use oven cleaner on it myself, generally both the tanks are plastic and oven cleaner eats plastic.
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Old 07-14-2008, 11:07 AM   #6
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One trick i have learned from my atv is if you take PB Blaster and soak the radiator it gets alot of the gunk out of it
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Old 07-14-2008, 12:53 PM   #7
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if you used a pressure washer you may have bent alot of the fins on the radiator thus effecting its cooling abilitites

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