Howling turbo?
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Mountain Pass
Joined: Sep 2010
Posts: 237
Likes: 1
From: Wyoming
Can you at least build more then 5 pounds of boost?
Posting Guru
Joined: May 2009
Posts: 1,468
Likes: 0
From: Battle Creek, NE
Yeah,low end boost takes forever,but I can max out my 35 psi gauge. Try taking your cac pipe off on the passenger side n brake boost it. See if it still howls. If it does that cancels everything after that. I think I need a new turbo. Currently throwing together a T4 setup. Hoping that fixes it. It's annoying.
Lead Driver
Joined: Sep 2010
Posts: 7,793
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subscribing...
Anyway of posting a vid of the noise? I've been experiencing a howling/harmonic sound, ever since my turbo blew up. Tried 2 different rebuilt turbos, and still have the noise. This April will be 2yrs ...
Anyway of posting a vid of the noise? I've been experiencing a howling/harmonic sound, ever since my turbo blew up. Tried 2 different rebuilt turbos, and still have the noise. This April will be 2yrs ...
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Mountain Pass
Joined: Sep 2010
Posts: 237
Likes: 1
From: Wyoming
I could try but I don't know if you'll be able to hear it. I gotta turn anything that makes noise in the truck down and listen. I'll see what I can do tomorrow. It's typically over 30 mph and higher rpms which is hard to accomplish with no boost.
Posting Guru
Joined: May 2009
Posts: 1,468
Likes: 0
From: Battle Creek, NE
I can barely hear the turbo whistle over the howl sometimes. Yeah, it varies. One of these days I will try to get a vid,then figure out how to get it on here.
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Logistics Pro
Joined: Dec 2010
Posts: 4,738
Likes: 15
From: Temperance, MI
Not that I think it's your problem only being able to build 5psi of boost but it might help one of you guys... Check the driver side intercooler pipe by the power steering pump there's a square nut that's has a tendency to rub a hole in the pipe over time if its touching it
Posting Guru
Joined: May 2009
Posts: 1,468
Likes: 0
From: Battle Creek, NE
Go to youtube and search 7.3l 38r turbo howl. that's what mine sounds like.
There's another video that says it's the thrust washer rubbing on the compressor housing. Makes me want to take my turbo apart,but not really.
There's another video that says it's the thrust washer rubbing on the compressor housing. Makes me want to take my turbo apart,but not really.
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