Moaning noise
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Cargo Master
Joined: Jan 2009
Posts: 2,769
Likes: 9
From: Lubbock
Moaning noise
My truck is a 2004 f250 cc44 automatic. I have noticed that when I accelerate hard and not all the time I get a low piched whine or a moan. It does this when it is warmed up. Also it will make a similar noise after the truck has been shut down a few seconds after it is shut down. I have searched and haven't founf much on this. Currently I am seeing 25lbs of boost max and am running ase from spartan. I have heard it could be the degas bottle cap. I have heard it could be a intercooler boot I also thought I read that this is the reason to do the ccv mod. I haven't replaved the degas bottle cap yet and I haven't done the ccv mod yet either just worried it might be a week under the hood doing head gaskets. I do have pressure can't tell it is it vaccum (seems like it) or pressure on the degas bottle. It stays at the min mark and the fluid looks like it should. The truck is not puking at all. Any ideas?
Senior User
Joined: Feb 2009
Posts: 361
Likes: 0
From: Missoula, MT
check the blue hose couplings on your intercooler crosspipe. Mine did that, and one of them had a hole in it. I thought my turbo was going. It cost around $40 from the dealer and I replaced them myself.
