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Which port goes where on turbo?

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The ports on the turbo core? The top one is for oil feed and the two on the side are for the coolant lines
 
The cooling line that comes off of the thermostat housing goes to the rear of the turbo center section[it's the supply line], the front cooling line for the turbo center section comes off of the coolant pipe, which runs from the water pump [aka the turbo coolant return line].

And as mentioned above the oil supply line is indeed the top port on the center section of the turbo, the bottom tube is the drain line [as you already know].

to make it easier to understand oil comes into the center section from the top, and out from the bottom, coolant in from the back out from the front.
[edited: sorry for any misinformation, I was kinda in a rush when posting this]
 
Last edited:
The cooling line that comes off of the thermostat housing goes to the rear of the turbo center section[it's the feed], the front cooling line for the turbo center section comes off of the coolant pipe, which runs to the water pump [aka the turbo coolant return line].

to make it easier to understand oil comes into the center section from the top, and out from the bottom, coolant in from the back out from the front.

Fixed.
 
The cooling line that comes off of the thermostat housing goes to the rear of the turbo center section[it's the supply line], the front cooling line for the turbo center section comes off of the coolant pipe, which runs from the water pump [aka the turbo coolant return line].

And as mentioned above the oil supply line is indeed the top port on the center section of the turbo, the bottom tube is the drain line [as you already know].

to make it easier to understand oil comes into the center section from the top, and out from the bottom, coolant in from the back out from the front.
[edited: sorry for any misinformation, I was kinda in a rush when posting this]
Good answer. Im putting in a new turbo next week and you just saved me a search.
 
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