high pitched squealing, high throttle - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 12-01-2011, 04:01 PM Thread Starter
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high pitched squealing, high throttle

Today while towing I was on the throttle decently hard with the 210 tp on a slight hill at about 35 PSI and got a real high pitch squealing noise if I let off it goes away. If i get back on it it comes back. Mainly at higher pressures it seems. Also, I seem to hear these whooshing sounds that I haven't heard before at these same higher pressures not coming from the intake.

Maybe a leaky clamp? I don't know. Thanks for the help.

2015 F350 Platinum CCSB SRW
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post #2 of 5 Old 12-01-2011, 04:13 PM Thread Starter
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I thought I would add that she is running great and nothing SEEMS to be effected.

2015 F350 Platinum CCSB SRW
100% stock

SOLD: Black 08 F350 FX4
Spartan tuned
MBPR DP Back straight pipe
20' XD Hoss's
325/60 Duratracs
Leveled
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post #3 of 5 Old 12-01-2011, 04:21 PM
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my dad is having the same squealing noise in his 06, its gotten worse now it does it when he is going down hill and in tow haul.

2004 cclb 07 conversion, 07 intake mainfold, s&b intake, 4inch turbo back 5 inch tip with flowmaster, cfm large mouth, larger ic tube, high idle mod, egr delete, studs, ats 5 star tq, sct with customs tunes by innovation diesel.

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post #4 of 5 Old 12-01-2011, 04:45 PM
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Cracked boot maybe? I had a 6.0 with a cracked boot that would squeal. Also if its kinda like a tea kettle it could be your headgaskets.

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post #5 of 5 Old 12-02-2011, 10:06 AM Thread Starter
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It sounds like a key being scratched down a big pane of glass

2015 F350 Platinum CCSB SRW
100% stock

SOLD: Black 08 F350 FX4
Spartan tuned
MBPR DP Back straight pipe
20' XD Hoss's
325/60 Duratracs
Leveled
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