Antifreeze leaking above the transmission housing on passenger side?

Tiny
JEFFREYSLY20
  • MEMBER
  • 2004 LINCOLN NAVIGATOR
  • 5.1L
  • V8
  • 2WD
  • AUTOMATIC
  • 207,000 MILES
If it’s full of antifreeze and it’s running it will flow out like a waterfall. I cannot find where it is coming from.
Tuesday, October 24th, 2023 AT 11:01 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,959 POSTS
There is a heater hose tube that runs under the intake manifold that can rot out due to rust and cause a leak like you have described which is common. The intake must be removed to fix the leak. Here are the instructions on how to do so. Here is the heater hose tube I am talking about. Also check out this video which can help walk you through the repair:

https://youtu.be/QuNLrE3rrb8?si=q--9FngbrueWJ4Mi

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
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Tuesday, October 24th, 2023 AT 1:37 PM

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