Exahust noise etc

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Aug 1, 2015 | 05:33 PM

runner

Thread Starter

Tuned

Joined: Jan 2001

Posts: 326

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From: Connecticut

Exahust noise etc

1988 Ford F-250 5.0 302 5 speed.

Need some help identifying a part? It's used to be mounted on a 1 1/4" Nut behind the back of the engine with a Hose attached to it. I'm assuming it broke off the NUT. See Picture:

I'M ASSUMING IT'S THE "AIR SUPPLY CHECK VALVE"

iS THAT CORRECT?

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I had a few exhaust leaks. One from the driver’s side exhausts flange and one from the driver’s side shorty headers.

I tighten down the flange as well as replacing the shorty header gasket and figured that would do the trick and fix the exhaust leak.

However, I was still getting a loud noise thinking I was still having issues with the flange and header.

I used a hose to listen and find where the noise and found it was coming from behind the engine.

There was a hose attached to this part. I think broke off from a 1 ¼ inch nut.

I have no clue what this parts name is and what it does and I need to replace it. Nothing in the Haynes manual says anything unless I missed it.

Can anyone tell me what PART this is? Also, what’s the exact size of the NUT so I can get the right socket to remove.

Any help would be great!

Thank you!

Runner

Last edited by runner; Aug 1, 2015 at 05:42 PM. Reason: text change