2006 F250 Just Replaced Head Gaskets Hoot Noise on Acceleration - Ford Powerstroke Diesel Forum
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Old 12-23-2011, 09:24 PM

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2006 F250 Just Replaced Head Gaskets Hoot Noise on Acceleration

I have a 2006 F250 I just replaced the head gaskets, and did the studs also. I had a Ford Tech do the job on the side 2 weekends ago. Truck runs excellent. When he checked the heads he stated that the heads were warped about .002, but within Fords Spec. We used Ford OEM gaskets, and replaced everything else that needed replacing while in there. I have a PSI guage on the coolant system, and it runs between 12 to 13 PSI under load, and never goes above this. Before the head gaskets were changed, the PSI would rapidly spike to about 17 PSI, but I never noticed any puking from this truck. I've always noticed this hoot noise on acceleration and deacceleration from 1750 to 2200 rpms. I removed the coolant cap from the degas bottle and ran the truck around the block and noticed it still makes this hoot noise. The noise seems to be coming from the passengers side of the truck under the hood, but I can't isolate where the noise is coming from. Truck runs excellent with plenty of power. I can't seem to find a definate answer on where the normal coolant PSI should be while running the truck under normal driving conditions.

--Happy Holidays--

My video of myself diagnosing my truck with bad head gaskets.

Last edited by jayrw123; 12-23-2011 at 09:27 PM.
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Old 12-24-2011, 02:57 AM
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Check the up pipe clamp on the turbo and make sure everything is lined up and snug. Also check the firewall for soot. It sounds like you may have a small exhaust leak.
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Old 12-24-2011, 08:09 AM
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That or one of the CAC hoses or tube has a leak
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