HISS
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More Turbo
Joined: Sep 2004
Posts: 703
Likes: 6
From: Butler Pa.
HISS
Took the new girl or a 1000 mi trip yesterday. Noticed maybe 3 problems.
2000 F-350 PSD AUTO 4X4 CC 125000 miles.
First being looks like oil on tip of exhaust, about the last 4" of the pipe.
Second being sounds like it has a miss, if it was a gas engine I would thing it had a bad plug.
Third is when it shifts it has a hiss, especially when it shifts into od. Think it is turbo related, sounds like maybe a leak.
Thanks in advance.
armstrong
2000 F-350 PSD AUTO 4X4 CC 125000 miles.
First being looks like oil on tip of exhaust, about the last 4" of the pipe.
Second being sounds like it has a miss, if it was a gas engine I would thing it had a bad plug.
Third is when it shifts it has a hiss, especially when it shifts into od. Think it is turbo related, sounds like maybe a leak.
Thanks in advance.
armstrong
Posting Guru
Joined: Dec 2007
Posts: 1,377
Likes: 3
From: Oklahoma
I will agree with Chris on the oil in the tailpipe issue. From what I have read, not experienced. The miss MIGHT be a loose uvc harness. This is located under the valve cover. Just a guess. The hiss, my first ? is, do you have an aftermarket air intake? It seems to me that mine was louder on the hiis after changing tha air intake to the 6637.
Elder User
Joined: Mar 2010
Posts: 756
Likes: 2
From: Phoenix Az
I will agree with Chris on the oil in the tailpipe issue. From what I have read, not experienced. The miss MIGHT be a loose uvc harness. This is located under the valve cover. Just a guess. The hiss, my first ? is, do you have an aftermarket air intake? It seems to me that mine was louder on the hiis after changing tha air intake to the 6637.
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More Turbo
Joined: Sep 2004
Posts: 703
Likes: 6
From: Butler Pa.
I will check the oil, have not yet today although full when I left. The air filter is from Riffraff 6637 and this is the first trip crusin with it. I will reinstall the factory one to be sure. The exhaust is 5" straight through, and was that way when I purchased it. That may be the miss sound I hear because I'm sure the sound from it is different then the 97 I just sold with 3" straight through. The 97 just sounded great crusin, nice and even, but 2000 sounds like it's just not right.
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
If this was your first trip with the 6637, then as Wayne said, that could be your hiss. Those filters make some different sounds, but a hiss is normal.
Oil out the tailpipe is not. Check that.
Oil out the tailpipe is not. Check that.
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More Turbo
Joined: Sep 2004
Posts: 703
Likes: 6
From: Butler Pa.
Just checked the oil, down maybe 1/2 qt from the trip. Will have to figure out how to check shaft play. Is there a write up with pic's on this anywhere ?
thanks
armstrong
thanks
armstrong
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Post Fiend
Joined: Mar 2007
Posts: 26,966
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From: Texas
A 1/2 quart doesn't sound too bad, so I'd relax a little if I were you. Checking the shaft play is pretty easy. Remove the plastic tube that connects to the turbo. Then (with the engine off of course) reach in and grab the shaft at the center of the turbo wheel with your fingers. A little up and down or side to side play is fine as long as it does not look like the wheel has been scraping on the sides. There should be no in and out play on the shaft as you wiggle it with your fingers. If there is any in and out play in the shaft you need to rebuild your turbo before it goes boom or starts laying a smoke screen behind you.
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