Throttle body coolant lines

2002 HONDA CRV
160,000 MILES • 2.4L • 4 CYL • 4WD • AUTOMATIC
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KYLEDMARTINEZ98
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I have the vehicle listed above EX. I had to replace my throttle body. There are two nipples that coolant runs through on the side and back. Where do they hook up to?
Jun 18, 2020 at 10:28 PM
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ASEMASTER6371
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Good morning,

I attached a picture for you. I circled one of the lines. Are those lines the ones you are referring to?

They are part of the cooling system and must be hooked up.

Did you remove them when you removed the throttle body?

Roy
Jun 19, 2020 at 3:47 AM
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KYLEDMARTINEZ98
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My dad took it all apart and is putting the new one in. But yes those are the lines I'm talking about. I've hooked up the inlet. Just don't know where the outlet goes.
Jun 19, 2020 at 3:50 PM
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ASEMASTER6371
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They both go to the cylinder head. Follow the one down to the head and llook for the other hose.

Roy
Jun 19, 2020 at 3:55 PM
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KYLEDMARTINEZ98
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This one is the inlet.
Jun 20, 2020 at 2:03 PM
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KYLEDMARTINEZ98
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I'm sorry it's hard to see but this is the outlet.
Jun 20, 2020 at 2:03 PM
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KYLEDMARTINEZ98
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I'm holding a line that was not hooked up to anything. I'm not sure where this line goes to.
Jun 20, 2020 at 2:05 PM
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KYLEDMARTINEZ98
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Also hard to see but this is where that line leads to.
Jun 20, 2020 at 2:08 PM
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KYLEDMARTINEZ98
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The line is too short to get to the outlet. It doesn't look cut neither. Could the throttle body be smaller than the last one?
Jun 20, 2020 at 2:12 PM
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ASEMASTER6371
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There has got to be an open line somewhere for the other hose. They both come from the head.

did you look all around the manifold?

A last try would be to add water to the system and watch for a leak from the open line.

Roy
Jun 20, 2020 at 2:13 PM
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ASEMASTER6371
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Yes, it sure can and could be set up differently.

Roy
Jun 20, 2020 at 2:27 PM