Throttle body coolant lines

Tiny
KYLEDMARTINEZ98
  • MEMBER
  • 2002 HONDA CRV
  • 2.4L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
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?
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Thursday, June 18th, 2020 AT 10:28 PM

10 Replies

Tiny
ASEMASTER6371
  • EXPERT
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
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Friday, June 19th, 2020 AT 3:47 AM
Tiny
KYLEDMARTINEZ98
  • MEMBER
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.
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Friday, June 19th, 2020 AT 3:50 PM
Tiny
ASEMASTER6371
  • EXPERT
They both go to the cylinder head. Follow the one down to the head and llook for the other hose.

Roy
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Friday, June 19th, 2020 AT 3:55 PM
Tiny
KYLEDMARTINEZ98
  • MEMBER
This one is the inlet.
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Saturday, June 20th, 2020 AT 2:03 PM
Tiny
KYLEDMARTINEZ98
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I'm sorry it's hard to see but this is the outlet.
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Saturday, June 20th, 2020 AT 2:03 PM
Tiny
KYLEDMARTINEZ98
  • MEMBER
I'm holding a line that was not hooked up to anything. I'm not sure where this line goes to.
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Saturday, June 20th, 2020 AT 2:05 PM
Tiny
KYLEDMARTINEZ98
  • MEMBER
Also hard to see but this is where that line leads to.
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Saturday, June 20th, 2020 AT 2:08 PM
Tiny
KYLEDMARTINEZ98
  • MEMBER
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?
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Saturday, June 20th, 2020 AT 2:12 PM
Tiny
ASEMASTER6371
  • EXPERT
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
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Saturday, June 20th, 2020 AT 2:13 PM
Tiny
ASEMASTER6371
  • EXPERT
Yes, it sure can and could be set up differently.

Roy
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Saturday, June 20th, 2020 AT 2:27 PM

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