A couple of questions about the EGR cooler - Ford Powerstroke Diesel Forum
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Old 12-28-2007, 03:20 PM
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A couple of questions about the EGR cooler

I made a post in the problems area about the cold start problems I have been having.. The responses that I got were that I need to take it to have the latest flash done that had some kind of update with cold weather. The service writer told me that he had heard of no such flash before.(Scary) Anyway, the service writer told me that from my symptoms he would guess that it is the EGR cooler and they would have to tear into the motor.. So I made an appointment with them as I bought the truck there and they did a great job doing the bed plate seal on the truck. He said the mechanic was already gone for the day and that he would mention it to him on Monday. One question is do they have to pull the heads to get to the EGR cooler. I ask because then I will have studs put in at the same time. Is this a good time to have them put in studs? I am also getting a weird howling noise from about 13 PSI and up of boost. It is not a turbo whine or whistle. Maybe a leaking IC tube?
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Old 12-28-2007, 10:25 PM
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They won't pull your heads for the EGR cooler replacement. I would certainly check out your CAC tubes for your howling as you've already suggested.
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Old 12-28-2007, 10:49 PM
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mmmmkay.....whats IC tube or CAC tube????

I may have to start my own thread, but whenever I let off the throttle when its colder, even if the trucks warmed up, it lets off a lil howl. I dont run my truck real hard, so we're talking 1/2 throttle or so and barely letting off. Not a whine like the turbo when ur boost is high, but slightly lower pitched and maybe 2-3 seconds long at the most. Didnt notice it until the temps started dropping below 40 or so.....they haven't gotten back up yet so I cant compare to warmer temps. I do know the blue tube coming out of the turbo looks like it has leaked oil with dirt stuck to it all over it, not enough to think its a running leak, but like someone misted it with WD40 and the dirt stuck if that makes sense.

It may be normal and I'm getting vehicular paranoia from seeing others problems.
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Old 12-29-2007, 08:03 PM
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The blue tubes that you describe are your intercooler (IC) or cold air charge (CAC) boots. You should check those carefully as they can develop a tear, but they are tough considering what they are designed to do. The oil accumulation is normal for your IC boots.
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Old 12-29-2007, 09:19 PM
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normal is my favorite word for tonight! haha
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Old 12-30-2007, 10:41 AM
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I saw on my Oasis Report where they replaced my EGR cooler and had 11.2 hours on there. I don't know if that was the only thing but if it was that's like $700 in labor charges.
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