Engine/exhaust noise - Ford Powerstroke Diesel Forum
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Old 06-27-2010, 01:26 PM
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Engine/exhaust noise

I have a 2008 F450 6.4 powerstroke, with approx 45000 miles, that has developed a fairly loud intake or exhaust noise over the last 3 or 4000 miles. It is loudest when accellerating or pulling up hills. It sounds like loud exhaust on a gas engine, or the sound a carburated engine makes with the intake filter housing removed. It does not matter whether the engine is cold or hot. It is becoming progressivly worse. Any ideas?
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Old 06-27-2010, 01:36 PM
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Exhaust up-pipe leaking from the manifold to the turbocharger, perhaps?
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Old 06-29-2010, 04:25 PM
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sounds like the up pipe
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Old 07-12-2010, 10:06 PM
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From under your truck, look at the front of the tranny, and up the firewall at the back of your engine. Is there a layer of soot all over everything?
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Old 07-13-2010, 01:38 PM
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exhaust leak

Thanks for your reply.
After reading your question, I got under the truck with a good light and an inspection mirror this morning and finally found some soot. It is not easy to see, but it apears that the flexable connector is leaking on the passenger side exhaust riser,between the exhaust manifold and the turbo inlet piping.
Looks like I will need to remove lots of parts to get to the leak for repair.
Have you had experience with this?
Thanks,
John
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Old 07-28-2010, 10:49 PM
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Yes and no. I described my truck to you cause my truck fit your description about 5k miles ago. I have been trying to learn more about it and ways to prevent it from happening again AND figuring what else should be done while truck is down for repairs. I have no warranty so I have to research everytghing thoroughly to minimized truck downtime. If you have warranty, just go get uppipes replaced. new Ford uppies will fail sooner or later and I have rulled out. to me it's unacceptable. I saw an EGR delete kit that comes with solid sturdy uppipe but it was for 6.0. Waiting on a response from manufacturer about 6.4. I think this will be my route, if you're interested let me know, maybe we can get discount on multiple or even group buy!
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Old 07-29-2010, 02:55 PM
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have not had this problem yet but there is a egr delete kit that rudy's sells i believe and it should come with solid up pipes
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Old 07-29-2010, 07:27 PM
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I just got it back from the dealer.
They replaced the up pipe on the passenger side. It is difficult Job.
They had to drop the transmisson to make the repair.
The invoice was near $1200.00 and my cost was $100.00.
Thanks for your advise.
John
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Old 06-03-2011, 07:46 AM
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So did the new up pipe solve the noise issue?
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Old 06-03-2011, 04:15 PM
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Yes the up pipe solved the problem.
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