Loud turbo whistle - Diesel Forum - TheDieselStop.com
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6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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Old 03-20-2011, 09:33 PM   #1 (permalink)
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Loud turbo whistle

Hi guys, my 05 which is stock except an MBRP has a whistle that will make u deaf. Only happens @ idle and goes away when i unplug the VGT contol valve. Im not sure if I need to replace the control valve or if I need to remove and clean my turbo. Thoughts please
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Old 03-21-2011, 09:59 AM   #2 (permalink)
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Sure it is not an 03 turbo? If the noise changes that means the vanes are sweeping. It dosen't sound as if it needs cleaning.
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Old 03-21-2011, 09:54 PM   #3 (permalink)
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No i'm sure it's not an 03 turbo. Turbo was rerplaced twice by the dealer years ago for other reasons. Sounds like the loudest tea kettle you have ever heard. The colder it is outside the louder and more frequent the whistle. It really has me stumped and I'm sure where to start.
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Y2K,F350,DRW,CC,6-spd,3.73,4x4,LariatDI4 pos,homemadeTymar,
Autometer boost & EGT,CCV bipass,DIY Xbrake,HXmod,PS2000,WalkerBTM,LUK clutch,
IH Jasper reman.w/forged rods,ATScomp.shroud W/W
-----------------------------------
05
05 F350,DRW,CC,FX4,Lariat,4:10 ears,4x4,
AutoMeter Cobalts,pyro/trans/boost
popup g/n hitch,CCV reroute,MotorGuard M30 bypass filter,MBRP tubo back,SCT,all update parts with EGR gone,Insight CTS
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Old 03-22-2011, 07:27 AM   #4 (permalink)
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The whistle is just what it's doing normally. Why do you figure there is a problem? Are there any other performance issues?
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Old 03-22-2011, 05:34 PM   #5 (permalink)
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No No this not an ordinary turbo whistle. i have had this truck 6 years and this is something new. It is very loud !! The truck runs perfect otherwise. I recorded an mp3 with the engine running but cant figure out how to attach it.
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Y2K,F350,DRW,CC,6-spd,3.73,4x4,LariatDI4 pos,homemadeTymar,
Autometer boost & EGT,CCV bipass,DIY Xbrake,HXmod,PS2000,WalkerBTM,LUK clutch,
IH Jasper reman.w/forged rods,ATScomp.shroud W/W
-----------------------------------
05
05 F350,DRW,CC,FX4,Lariat,4:10 ears,4x4,
AutoMeter Cobalts,pyro/trans/boost
popup g/n hitch,CCV reroute,MotorGuard M30 bypass filter,MBRP tubo back,SCT,all update parts with EGR gone,Insight CTS
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Old 03-22-2011, 05:51 PM   #6 (permalink)
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Cracked Y pipe

Air leak in CAC boots

CAC air leak

etc.
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Old 03-22-2011, 06:28 PM   #7 (permalink)
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That would makes sense,started shortly after they replaced the egr/oil coolers.
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Y2K,F350,DRW,CC,6-spd,3.73,4x4,LariatDI4 pos,homemadeTymar,
Autometer boost & EGT,CCV bipass,DIY Xbrake,HXmod,PS2000,WalkerBTM,LUK clutch,
IH Jasper reman.w/forged rods,ATScomp.shroud W/W
-----------------------------------
05
05 F350,DRW,CC,FX4,Lariat,4:10 ears,4x4,
AutoMeter Cobalts,pyro/trans/boost
popup g/n hitch,CCV reroute,MotorGuard M30 bypass filter,MBRP tubo back,SCT,all update parts with EGR gone,Insight CTS
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