Strange Whistle - Ford Powerstroke Diesel Forum
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post #1 of 41 Old 11-05-2012, 11:57 AM Thread Starter
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Strange Whistle

I have a 05 f350 6.0 and it has developed a whistle/whine noise it does it when driving at a certain speed doesn't matter how fast but it only does it when holding a speed if you give it throttle or let off it goes away sometimes i can make it do it by brake torqueing but not always it sounds like its coming from the turbo outlet boot or around that area i took the boot off it does have some slight cracking on the outside but they dont look like they go through i looked at the y pipes they looked ok so i think its the boot but i really can't tell what do you guys think
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post #2 of 41 Old 11-05-2012, 12:02 PM
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if you had a boost leak, it would be more of a rushing of air noise under boost. the 6.0 is a pretty noisey motor to begin with, seeing as everything behind the front cover is gear driven instead of having a timing belt like modern gas engine.

are you hitting normal boost levels?

-Tyler- -Navistar Technician-
2004 F250 CCSB FX4 6.0 - XDP EGR delete, BPD Oil Cooler Relocation, SCT Livewire TS, 315/75/16 Falken Wildpeak A/T's, Rough Country 4in, stock DP with 4in straight pipe.
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post #3 of 41 Old 11-05-2012, 12:10 PM Thread Starter
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The boost gauge reads normal like always the truck has 300000 miles the whistle just developed about a week ago it started real slight but its getting worse i really can't tell where exactly its coming from but i pretty sure its around the turbo somewhere it's a pretty high pitch noise
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post #4 of 41 Old 11-05-2012, 12:15 PM
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your turbo could be on its last legs. any smoke?

we need some better knowledge in this thread. i work on rigs.

-Tyler- -Navistar Technician-
2004 F250 CCSB FX4 6.0 - XDP EGR delete, BPD Oil Cooler Relocation, SCT Livewire TS, 315/75/16 Falken Wildpeak A/T's, Rough Country 4in, stock DP with 4in straight pipe.
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post #5 of 41 Old 11-05-2012, 12:18 PM Thread Starter
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No smoke while driving only on cold starts like always
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post #6 of 41 Old 11-05-2012, 12:43 PM
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Loose cac boot clamp, torn/busted cac boot, cracked exhaust flex joint.....

Sent from my phone that somebody didn't help me get.

Unfortunately had to Sell my ......2004 KR CC SWB FX4 - Edge insight cts, blue spring upgrade, updated HFCM drain plug, XDP coolant filter, CAT EC-1 rated coolant, Custom Diesel EGR delete, CAT delete, Rotella T6

SEE MY OIL COOLER REPLACEMENT AND EGR DELETE - http://www.powerstroke.org/forum/gen...tml?highlight=
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post #7 of 41 Old 11-05-2012, 12:47 PM Thread Starter
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Im leaning towards the boots myself
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post #8 of 41 Old 11-05-2012, 03:51 PM
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Leaking up pipe gets my vote.
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post #9 of 41 Old 11-05-2012, 05:56 PM
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+1 for the up pipe flex taking a dump.


2005 F250 CCSB Lariat FX4

4" MBRP Turbo Back*Sinister Coolant Filter*SRL+*'10 Tailgate*Dicad EGR delete*Premium EdFICM*Powerslot Rotors*Hawk Pads*Riffraff boots*DIY CCV*ARP's*'10 Tails*N-FAB Steps*'12 Rear Bumper*Dashboss*Pioneer DVD*'08 Trans Pan
*Bullitt y-pipe*'14 PE PF Mirrors*Fox 2.0 IFP*'08 Diff Cover
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post #10 of 41 Old 11-05-2012, 11:51 PM
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I can't believe none of you caught this yet! Plastic cac pipe on the cold side.

l BRYAN l


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[A Few Odds-N-Ends]

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