Turbo Whining
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Tuned
Joined: Jul 2010
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Turbo Whining
Back in 2010 right after I got my truck it was one of the ones that made the strange moaning sound from the turbo. The sound just went away and I haven't ever heard it again. I'm not sure if this is related or not but a couple of days ago when I started it up it was cold so it started roaring at 1200 rpm and making a high pitched whining sound. I revved it up just a bit and it stopped. Last night when I got home and hopped out to check the mail, it was making a high pitch but much quieter whine at idle.
No visual obstructions to fan belt etc. sounds like its coming from the turbo.
No visual obstructions to fan belt etc. sounds like its coming from the turbo.
Post Fiend
Joined: Jan 2009
Posts: 6,521
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From: Greenwood, SC
I had a bad turbo. It made a whirring kind of sound, vibration was only noticeable when I would rev the engine up and then take my foot off the throttle quickly. The sound was mostly made as the turbo/engine was returning from high rpm back to idle.
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Joined: Aug 2008
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From: Frederick, MD
I know that there was a change to the turbo's in 2012. I have not found what they changed by my guess is something along the lines of the bearings.
You may want to have this looked at on a cold day. Doing a video with date/time stamp may help.
You may want to have this looked at on a cold day. Doing a video with date/time stamp may help.
Lead Driver
Joined: Nov 2011
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Post Fiend
Joined: Jan 2009
Posts: 6,521
Likes: 11
From: Greenwood, SC
SavageNFS posted a video of it for me a long time ago, I'm not sure how you could search for it but it's around here somewhere.
Lead Driver
Joined: Jan 2010
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https://www.ford-trucks.com/forums/1...l#post12749423
Strangely as cold as it's been this year, mine has not made the "owl" sound much which would normally be a daily cold start occurrence and no table saw noises, which that sound has only happened a few times.
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Tuned
Joined: Jul 2010
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I will get a video when it does it again.
The truck has already had a new radiator, new EGR cooler, new power steering pump, bad sensor, leaking oil pan... Why not have another issue. Truck has 33,500 miles
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Robert6401
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Feb 21, 2010 08:45 PM