Loud whistle at high rpm's? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 24 (permalink) Old 01-24-2012, 11:52 PM Thread Starter
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Loud whistle at high rpm's?

I recently did the 10k mod to my 2000 powerstroke. After about a day of having the mod installed I had an extremely loud whistle noise coming from what seems like the turbo. It only happens when I put my foot to the floor and it sounds like it's coming through the vents it's so loud. I took the resistor for the mod out and it still makes the noise. Ii will mention that I did lose the o ring for the Injector Pressure Control sensor but I don't believe that would cause this noise. Any suggestions? I'm going to go record the noise and attach a video here shortly.
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post #2 of 24 (permalink) Old 01-25-2012, 12:24 AM
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Re: Loud whistle at high rpm's?

ItsS going to be a boost leaK. Pull your driverside intercooler pipe off and inspect it. If you overtighten the clamp it makes the tube unround......

2000 f250 ECSB Dually 4.10s 305/70/16, 4x4 7.3 zf6 200k miles
Php hydra chip PHP tuned! 4" exhaust, stock turbo(ww2, turbomaster wastage actuator, gutted ebpv), FRX, 160/30 sticks SB 1939-CB single clutch, home brew water setup for when i'm pulling hay through the mountains.
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post #3 of 24 (permalink) Old 01-25-2012, 01:36 AM Thread Starter
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Re: Loud whistle at high rpm's?

http://www.youtube.com/watch?v=ich_9...ature=youtu.be
This is the video of the sound my truck is making.
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post #4 of 24 (permalink) Old 01-25-2012, 01:42 AM
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Re: Loud whistle at high rpm's?

Yup sounds like a some kind if leak just inspect everything real good

2000 F250 ECSB 137,xxx

Cobalt Pillar Trip pod gauges, trans temp, boost, pyro
Tuned by PHP
4in down pipe to a 5in tip
Tru cool trans cooler
6637
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Foil delete
ATS Turbo housing
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post #5 of 24 (permalink) Old 01-25-2012, 01:44 AM Thread Starter
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Re: Loud whistle at high rpm's?

I checked everything out and didn't see anything noticeable. It's dark right now so I'll have to take a better look tomorrow. It's just weird that it happened right when I did the 10k mod...
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post #6 of 24 (permalink) Old 01-25-2012, 02:53 AM
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Re: Loud whistle at high rpm's?

Well the 10k mod does mean 10,000 hp! haha but yea on a serious note check your IC boots.

Kris
1997 F250 7.3 5speed, Valiar clutch, guages Boost, Water temp, EGT, 130k miles, 3" DP, 6637 filter.

2007 F350 King Ranch, All STOCK 25k miles.

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1983 F250 5.8L plow truck
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post #7 of 24 (permalink) Old 01-25-2012, 03:02 AM Thread Starter
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Re: Loud whistle at high rpm's?

I've checked everything. Can't find anything loose or out of place.
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post #8 of 24 (permalink) Old 01-25-2012, 03:24 AM
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Re: Loud whistle at high rpm's?

not to derail this but what is the 10k mod?

L99 SCSB 7.3 4x4 AEM intake, 5" straight pipe, 6pos Gearhead chip, Autometer gauges, Firestone bags, ATD Built tranny, Smoked lights, 15% tint, WW, Mr. Bobs boots & hoses, Leveled, Moto Metals
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post #9 of 24 (permalink) Old 01-25-2012, 03:32 AM Thread Starter
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Re: Loud whistle at high rpm's?

You put a 10k resistor in the Injector Pressure Control sensor. It adds a little horsepower supposedly. Makes the pedal more touch and the truck idle rougher.
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post #10 of 24 (permalink) Old 01-25-2012, 04:20 AM
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Re: Loud whistle at high rpm's?

One of your boots could have a hair line slit in it, youll probably see it in some light tomorrow other than that your boots should still be the first to inspect.

2000 F250 ECSB 137,xxx

Cobalt Pillar Trip pod gauges, trans temp, boost, pyro
Tuned by PHP
4in down pipe to a 5in tip
Tru cool trans cooler
6637
Banks big head waste gate
6in Pro comp lift
Mag hytec tranny pan
Foil delete
ATS Turbo housing
Halo projector headlights
BUILT TRANNIE
Euro taillights
Moog ball joints
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