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What is this waterline! what does it connect to? b18b1/b18a1 head and intake mani

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Old 01-06-2012, 10:32 AM
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Default What is this waterline! what does it connect to? b18b1/b18a1 head and intake mani

this peice is located right below the throttle body on the intake manifold.. this is a stock 91 integra ls b18a1 intake manifold and head on a b18b1 block.. this water line circled below is leaking out water when it starts up.. what goes here? what hose from what part? lol i dont see any hoses near it so im confused? anybody help me plz?

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Old 01-06-2012, 10:42 AM
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Default Re: What is this waterline! what does it connect to? b18b1/b18a1 head and intake mani

Looks like 1 of 2 IACV coolant lines.

Last edited by Riff Raff; 01-06-2012 at 11:47 AM.
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Old 01-06-2012, 02:17 PM
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Default Re: What is this waterline! what does it connect to? b18b1/b18a1 head and intake mani

Fast idle thermo valve?
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Old 01-06-2012, 09:56 PM
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Default Re: What is this waterline! what does it connect to? b18b1/b18a1 head and intake mani

hmmm idk.. haha
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Old 01-07-2012, 12:19 AM
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Default Re: What is this waterline! what does it connect to? b18b1/b18a1 head and intake mani

Originally Posted by Fabrik8
Fast idle thermo valve?
+1
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Old 01-07-2012, 04:44 AM
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Default Re: What is this waterline! what does it connect to? b18b1/b18a1 head and intake mani

Here are two diagrams with the way the hoses are routed

B18B1:



B18A1:

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Old 01-07-2012, 07:13 PM
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Default Re: What is this waterline! what does it connect to? b18b1/b18a1 head and intake mani

^ thanks.. kinda hard to follow tho.. lol not seeing what needs to be there?
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Old 01-13-2012, 06:23 PM
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Default Re: What is this waterline! what does it connect to? b18b1/b18a1 head and intake mani

Looks like it's the fast idle valve as stated before, and it has the U shaped coolant line that goes to the IACV hose #1 on the map.
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Old 01-13-2012, 08:13 PM
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Default Re: What is this waterline! what does it connect to? b18b1/b18a1 head and intake mani

It's for your headlight fluid.
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Old 01-15-2012, 02:52 PM
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Default Re: What is this waterline! what does it connect to? b18b1/b18a1 head and intake mani

^^^^ or you could blow me?
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