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Can anyone identify this hose

Tiny
MACHSWELL
  • MEMBER
  • 2001 MERCURY COUGAR
  • 2.5L
  • V6
  • 2WD
  • 98,000 MILES
I was replacing my water pump and accidentally broke this hose and I'm not sure what it is. It looks like a run into the crankshaft area but I'm not sure what it's supposed to connect to. I hope these pictures are good enough to interpret the ones that are the close-ups with numbers that I can't read is of the piece that separated from the end still in the engine compartment.
Luckily I have these pics because I cant find the piece.
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Friday, July 31st, 2020 AT 6:17 AM

8 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Hello again,

Does that hose have vacuum leaking wen it runs?

Roy
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Friday, July 31st, 2020 AT 6:37 AM
Tiny
MACHSWELL
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  • 18 POSTS
I hadn't checked that but I will. I only looked for fluids.
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Friday, July 31st, 2020 AT 7:22 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, it could be the hose for the PCV valve or the hose for the emission canister at the back of the car.

I do not have a vacuum diagram but look around for the other part of the hose.

Roy
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Friday, July 31st, 2020 AT 7:39 AM
Tiny
MACHSWELL
  • MEMBER
  • 18 POSTS
The second third and forth pictures are of the other end. Actually I found a better picture of the hose before I went ahead and took off the other half. This should help.
I'm unable to put my hand there with the engine running and the other lines connected but I can definitely hear hissing and the idle level jumps up and down.
I also get a thud like sound which I have heard before I change the idle control valve months ago.
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Friday, July 31st, 2020 AT 8:27 AM
Tiny
MACHSWELL
  • MEMBER
  • 18 POSTS
I'm looking at this picture which I took this morning, I noticed the hose with the white fitting was disconnected so I assumed it attached to the metal tube below the throttle body because it had nothing connected to it.
Comparing the pics I see the broken off piece is supposed to attach to the hose with the white connector on the end.
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Friday, July 31st, 2020 AT 8:39 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The first picture looks correct. The second picture looks like a water line and the hose is not the hose you have in the picture.

Roy
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Friday, July 31st, 2020 AT 8:46 AM
Tiny
MACHSWELL
  • MEMBER
  • 18 POSTS
Yes, yes the first picture is from when it first happened the second picture is after I had taken the broken piece off and was reassembling and notice that that metal piece did not have any connection to it. So I assumed that the white coupling piece went there but it doesn't.
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Friday, July 31st, 2020 AT 8:50 AM
Tiny
MACHSWELL
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I just found this online and it looks like both lines from under the throttle body connects to the one hose with the white collector on the end of it.
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Friday, July 31st, 2020 AT 8:56 AM

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