POS 2007 making loud roar or whirring sound. - Ford Powerstroke Diesel Forum
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Old 08-18-2008, 01:12 PM
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Thumbs down POS 2007 making loud roar or whirring sound.

Hello everyone and thanks for listening in advance.

I have 75000 KM's on the truck and I have had 6 injectors, a fuel pump, egr and egr cooler **** the bed in the last 3 months. I had the mechanic weld up the erg cooler and not replace the egr. I was running a bully dog tripple dog but I have removed it and threw it in the garbage ( I would feel bad selling it to somone else). The truck is now making a loud roar or whirring noise. It started out only happening once in a while when under acceleration but now it is all the time.

Fisrt - after welding up the egr would the turbo still run normally?

Second - is there a cheaper programer than the SCT that will shut the egr off. I do not want any power upgrades?

Third - Is my turbo Fu**ed?

Any feedback will be greatly appreciated
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Old 08-18-2008, 01:27 PM
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first, yes.
second, no, i don't think so.
third, a "loud roar or whirring noise" could be so many different things. If you can get an audio clip that would help.
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Old 08-18-2008, 01:34 PM
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I forgot to say when the truck makes this noise it sound s like a fan on the drivers side. The truck doesnt seem to lose any power. Also while the truck was moving I put it in neutral and the noise became louder. It makes the noise while in park as well when the motor is reved. I will try to get some video so you can here it.
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Old 08-18-2008, 01:41 PM
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its not the fan clutch engaging causing the fan to spin faster in turn making a whiring noise is it???
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Old 08-18-2008, 01:44 PM
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Quote:
Originally Posted by Rwalker View Post
its not the fan clutch engaging causing the fan to spin faster in turn making a whiring noise is it???
that was going to be my guess.

the cooling fan is not spinning all the time. it has a clutch in the center of it and when the clutch heats up it locks up and the fan starts to spin. and the fan is very loud. you will notice it more on hot days.
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Old 08-18-2008, 01:46 PM
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I may be. I have had the truck over two years and have never heard this sound before.
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Old 08-18-2008, 01:51 PM
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If the fan clutch was getting messed up would it become LOUDER?
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Old 08-18-2008, 02:15 PM
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it would start to rattle if it where going bad.

go drive your truck and when it makes the noise pull over and pop the hood and see if you can tell where its coming from.
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Old 08-19-2008, 10:23 AM
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Problem solved !!

Before I took it for a spin I checked all the fluids. I was down 2 jugs of 50/50 premix there must have still been air in the coolant lines from after the shop blocked off the egr. Im thinking the sound I was getting was the over flow pressure cap farting away some steam. Since topping up the rad the sound has vanished.
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Old 08-19-2008, 11:12 AM
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Quote:
Originally Posted by bouch_59 View Post
Problem solved !!

Before I took it for a spin I checked all the fluids. I was down 2 jugs of 50/50 premix there must have still been air in the coolant lines from after the shop blocked off the egr. Im thinking the sound I was getting was the over flow pressure cap farting away some steam. Since topping up the rad the sound has vanished.
Sounds good. It may very well have been the lack of coolant was causing extra heat and the fan was kicking in. Mine drives me absolutely nuts. When the A/C is on, the fan seems to want to be on . It might be hot here but the fan doesn't come on this much when I'm towing my 5th wheel. I'm kinda thinking the 11,000 plus lbs of my trailer has to be more of a "work out" then the A/C.

Ken....
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