What hose is this under the manifold? It's leaking coolant.

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What hose is this under the manifold? It's leaking coolant.

Postby truelion07 » Tue May 16, 2017 6:53 pm

Guys, i need HELP!

I think I had a rat living under or somewhere in between the
manifold (between the 2 head gasket banks in that deep dark nook).

If you follow the picture below, a coolant line from the top radiator hose,
not sure if its the heater hose -- is leaking coolant because with a flashlight
i can see a nibbled out section of the tubing deep inside the hole and i see
coolant spraying in there and leaking on top of the
exhaust manifold causing smoking and lots of coolant dripping down
below.

How the heck do i remove that manifold between the head gaskets to
get access to replace that hose?

Here is a pic i took from a members forum post and i drew over it
with red line:
You do not have the required permissions to view the files attached to this post.
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Re: What hose is this under the manifold? It's leaking coola

Postby JLEMOND » Tue May 16, 2017 7:48 pm

YOU WILL HAVE TO REMOVE THE COMPLETE UPPER MANIFOLD ASSY TO G ET TO THAT HOSE. , HIGHLY RECCOMEND THAT WHILE THEY MANIFOLD IS OFF , YOU REPLACE THE WATER PIPES ORINGS WHILE IN THERE , EVEN THOUGH THEY MAY NOT BE LEAKING AT THIS POINT .
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Re: What hose is this under the manifold? It's leaking coola

Postby vanduker » Tue May 16, 2017 11:23 pm

As is normal Jerry gives good advice. Overall you are looking at the same work as changing the intake manifold gaskets plus a small amount of additional work. changing the problem hose and the o rings in the area. There are a lot of posts on the IMGs - this is one - viewtopic.php?f=17&t=6640

None of the work is hard or complex but is a lot of pieces to remove.
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Re: What hose is this under the manifold? It's leaking coola

Postby truelion07 » Wed May 17, 2017 6:52 pm

Thanks for the advice guys. Well, I pulled the upper and lower intake manifold plenums today. I discovered the collant leak problem, the hose under the lower manifold is bitten up pretty bad, theres a puddle of coolant and a rats nest. He started working on the wire harness too. wow!. Speechless. Now the cleanup begins.

Have a look at the video:
https://www.youtube.com/watch?v=5SdxPP8UDK8
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