Strange "Whistling" Sound (not turbo) - Ford Powerstroke Diesel Forum

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post #1 of 16 Old 02-22-2011, 06:06 PM Thread Starter
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Strange "Whistling" Sound (not turbo)

I have a strange whistling sound that sounds like it is coming from under the hood on the drivers side. I am wondering if it is coming form the degas bottle and if it is why. It only does it when the engine is under a strain, especially when pulling a loaded trailer. I have noticed some coolant loeaking out of the degas lately when I drive it hard whether pulling a load or otherwise.

Also, the truck has been making some ridiculously high boost numbers the past couple of months or so. 35-43psi on stock head bolts. I do have a 58v FICM but am not running the tunes designed for it because they still aren't dialed in right. They are building insane boost numbers also but don't seem to be getting the fuel needed to go with it. Very sluggish. I've been trying to work with Elite since October to get this truck running right and am really getting tired of it but have no other options.

Any advice?

Jesse

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post #2 of 16 Old 02-23-2011, 05:34 AM Thread Starter
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Anybody???

Jesse

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post #3 of 16 Old 02-23-2011, 05:47 AM
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I had the same thing... Sounds Like a tea Kettle?? When i finally took it to the dealer it was the HGs and egr... But you might wanna start with a new degas cap (alot cheaper) and go from there... Best of luck

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post #4 of 16 Old 02-23-2011, 06:07 AM
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I agree with the head gaskets.A lot of the 6.0's whistle like a tea kettle when the head gaskets are blown and usually puke out the coolant bottle.The egr cooler usually smokes when its bad.

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post #5 of 16 Old 02-23-2011, 06:13 AM
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If you're seeing boost numbers that high, I'd bet you have sticky vanes in your turbo. That high boost likely caused your head gaskets to blow (considering you're on head bolts and seeing 43 psi of boost).
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post #6 of 16 Old 02-23-2011, 06:14 AM Thread Starter
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Yeah it does sound like a tea kettle. I was afraid that was what it was. I'll try the degas cap first but it looks like I may being doing a stud job. I really dread having to do that. I can't afford to pay someone else to do it so I may get some hands on experience. Not being able to do cab-off is going to stink!!

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post #7 of 16 Old 02-23-2011, 06:16 AM Thread Starter
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Quote:
Originally Posted by Snake View Post
If you're seeing boost numbers that high, I'd bet you have sticky vanes in your turbo. That high boost likely caused your head gaskets to blow (considering you're on head bolts and seeing 43 psi of boost).
So if I stud it should I go ahead and replace the turbo with a bigger one while it's apart (since it will be studded) or just clean the old one.

Jesse

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post #8 of 16 Old 02-23-2011, 06:17 AM
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Change the cap.

Although your boost numbers indicate sticking turbo vanes

Email: Dave@powerstroke.org
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post #9 of 16 Old 02-23-2011, 06:20 AM Thread Starter
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Quote:
Originally Posted by Dave View Post
Although your boost numbers indicate sticking turbo vanes
Is there a way clean it without taking it off the truck?

Jesse

2011 F-250 Fx4 CrewCab Short Bed Rear DVD Entertainment, WeatherTech Floor Mats Front and Rear, 6000k HID Hi/Lo and Fogs, Smoked Recon LED Mirror, Tail, and Third Brake Lights, Stealth Bulbs @ the Corners, B&W Turnover Gooseneck Hitch, 20% Window Tint

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post #10 of 16 Old 02-23-2011, 06:25 AM
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No you cant clean it without pulling it.

As to your replacement turbo comment. Are you planning on an injector upgrade in the future?

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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