whistle noise when accelerating

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Apr 25, 2013 | 11:25 AM

Adrian_F250

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whistle noise when accelerating

2002 F250 V8Gas 4x4 210 000kms

Just the other day noticed a whistle noise or a whinning noise while I'm accelerating. Sounds like its coming from from the front passenger side,not sure. Any ideas?

Apr 25, 2013 | 01:30 PM

jeep.hauler

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From: San Diego, CA

I had the same issue, found a split in the bellows on the up pipe to the turbo. Go under your truck and look for black soot on the pipes, or just after starting run your hand along the pipes and you should feel the leak.

Apr 25, 2013 | 03:54 PM

thomabb

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I don't think he has a turbo . . .

Apr 25, 2013 | 04:11 PM

Adrian_F250

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Yea no turbo. Its gas. I hear the whistle well into 4th gear then I don't hear it anymore...maybe an alternator pulley?

Apr 25, 2013 | 04:52 PM

flatlandhillbilly

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Joined: May 2011

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From: south florida

Sounds like your idle air control valve, it's located on the back of the intake by the firewall. it will eventually whistle more and more and drive you nuts. If I remember correctly I could make it stop by squeezing the inlet air hose leading to it. It's a little tricky to get to but fairly cheap and only 2 or 3 small screws/bolts hold it on.

Apr 25, 2013 | 04:54 PM

Adrian_F250

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Ill check that out and let you know thanks

Apr 25, 2013 | 05:22 PM

flatlandhillbilly

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Joined: May 2011

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From: south florida

The whistling noise seems to be amplified through the intake tube ,I believe that's why when I pinched the inlet tube it stopped. I wouldn't drive it like that but it's a quick test.

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Apr 26, 2013 | 04:20 PM

flatlandhillbilly

Freshman User

Joined: May 2011

Posts: 26

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From: south florida

No ,you're not an idiot, an idiot would blame ford for their mishap. You on the other hand had to know what the problem was and figured it out. Always more gratifying that way.