driver side whistling sound - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 01-23-2014, 05:20 PM Thread Starter
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driver side whistling sound

I noticed the other day when pulling my trailer and pulling a big hill, that when the turbo seemed to reach full boost there was a loud whistling noise that sounded like it was coming from the driverside of the engine compartment under the dash. I'm fairly new to diesel pickups so was wondering if this is normal or if I have a leak or turbo issues? It only does it when I seem to really get on it. Don't have gauges yet.
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post #2 of 9 Old 01-24-2014, 04:41 AM Thread Starter
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Any body have any ideas where to start?
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post #3 of 9 Old 01-24-2014, 07:42 AM
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Check your up pipes where they Y up into the turbo housing see if you have soot around them. There is a donut gasket on each one. Under a load they can make noise


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post #4 of 9 Old 01-25-2014, 05:59 AM
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you getting compressor surge?

you can look it up on youtube

99.5 f250 7.3 4x4 258k
PHP Phoenix, S&B CAI, 4" TBE, Hpx, Stancor, RR Billet Wheel, AIH Delete, Autometer Gauges, Leveling kit, Transgo kit, Warn Hubs, Int'l Up-Pipes, RR IC Boots, Non-Ebpv Pedestal, High Flow Outlet, RR OCR, 08 Tow Mirrors.

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post #5 of 9 Old 01-25-2014, 05:28 PM Thread Starter
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It doesn't sound like turbo surge, it's more of a high pitched, loud whistle, and I have no loss of boost or power.
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post #6 of 9 Old 01-25-2014, 05:49 PM
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remove the intake and check the compressor wheel and housing for marks.

99.5 x-cab 7.3l, 6spd, 161k miles.....
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post #7 of 9 Old 01-26-2014, 06:27 PM
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Do you have an aftermarket intake on the truck? If so they make more noise than stock.
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post #8 of 9 Old 01-27-2014, 03:53 AM
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Completely different vehicle but -
On a semi I had I developed a crack in an exhaust manifold , when building boost and pulling hills that crack created a LOUD whistle , embarrassingly loud ! Not saying it's your problem but definitely sounds as if you have a large volume of air escaping through a small something to create the whistle effect.

Sold 01 350 6" on 37's and mild mods, 00 X 4" on 35's, 02 f350 4" 35's modded from fan to drive shaft, ridin the 03 with nose conversion with 125k and counting upwards slowly.
Never had CNC's poo on any of it, never will.
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post #9 of 9 Old 01-28-2014, 06:51 AM Thread Starter
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I do have an afe intake. Haven't been able to find any obvious leaks. Will check turbo and housing when it warms up again. and report back.
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