ok when i install new lines to the turbo for coolant, how to get rid of air trapped? i'll try to fill the lines up with coolant to minimize the effect...

 

The way I do it is take the bleeder valve out(located at the end of the upper radiator hose on the housing) and connect a container to it. Fill the container with water and keep it full while you pump the radiator hoses by hand. This will pump out all the air bubbles. After you do that you might have to take it for a drive with the climate control set all the way hot and repeat for it to work properly.
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so kinda like bleeding slave cylinder on cltuch eh?