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About Radiator Temps

[DGK]

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The Top Half of the Rad is cold and the bottom is Hot.
is there something wrong? is it bad?is it supposed to be like this?
or should i release the air inside of it by unscrewing this and putting it back on again to release air?


im new to LC-ing.Need help on this thanks.
 
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sneekypeet

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If you haven't bled the loop, it is a good idea. You dont have to remove the screw either, just loosen it a turn or two and wait for water to come out, then tighten it;) I would suggest keeping a towel handy.
 
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Make sure you're using a strong enough pump too.
 

[DGK]

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the pump is MCP 655-B (no speed cont.)
 
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That's an awful lot of blocks to run that pump through. With all your high end hardware, I'd look into an Iwaki RD-30. You also should bleed the loop.
 
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That's an awful lot of blocks to run that pump through. With all your high end hardware, I'd look into an Iwaki RD-30. You also should bleed the loop.

not to mention the extra beefy radiatior.
 

[DGK]

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Problem solved thanks boys, appreciate the help.
 
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Please post the solution you used to help others!

+ I'm kinda curious..
 

[DGK]

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If the top is cold and the bottom hot that would indicate that there is no water in the top. I'm assuming that you have it mounted with the barbs at the bottom, in which case a large bubble will form at the top of the rad, as the tubes form an inverted "U" shape:



In your case the water is not making it all the way to the top of the rad, so it can't displace the air. This normally happens, but needs fixing. You need to get the air out of the top of the rad, either by unscrewing that bleed screw or by tilting the rad so that the air can escape.

If you unscrew the bleed screw, make sure that your res is full and your pump running, loosen the screw and allow the air to escape but be ready to do it up again as soon as water starts to come out. Leave everything for a bit and try again until there is no more air.

I Did what John said it happened to be that my RAD isnt Bled good.
 
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