Thermostat Housing Coolant lines?

Posted by ByrdClaw, Jul 8, 2010

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  1. ByrdClaw

    ByrdClaw Proven Member

    Joined Aug 21, 2007
    Sacramento, California
    I have 2 coolant lines on the back of my thermostat housing that arent hooked up after the rebuild. Im confused on where they go? Any help or a picture is great. Also, I have one from my water pipe that I believe goes to the throttle body,one that also comes from the throttle body straight to the water pipe?

    I have switched to an air cooled oil filter housing,so can i just block them off?

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  2. gofer

    gofer Moderator

    Joined Feb 18, 2006
    South Gilbert, Arizona
    You taking pictures of the coolant lines would help you and I a lot more than me just posting up pictures asking if its this, is it this, or is it this... until I'm 50 pictures into it and we figure out the first one.

    You might want to download the 1g Service Manual that way problems like this can be resolved on their own... 92 to 94 1g Service Manual

    Heres what I pulled out of a 1g service manual, hopefully this solves the problem.
    t-stat coolant lines.jpg

    Last edited by a moderator: Jul 10, 2014
    My DSM:
    1997 Mitsubishi Eclipse GST

    Street Build

    11.634 @ 126.050 MPH
  3. euphoria

    euphoria Proven Member

    Joined May 1, 2006
    Wilmington, North Carolina
    If they are fairly large hoses then one is to the throttle body and the other is to the heater core.
    My DSM:
    1998 Mitsubishi Eclipse GSX

    10.801 @ 134.010 MPH

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