Leak and carbon buildup..Serious malady? - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 02-29-2012, 08:16 PM Thread Starter
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Exclamation Leak and carbon buildup..Serious malady?

I noticed that the pipe that starts by the oil filter(connected to the blue connector) and runs around towards the front of the engine between the alterntor and the battery and heads down toward the radiator..it has some carbon buildup on the outside of it down by the end by the radiator.

I have no idea what this "tube" does, being an extreme diesel "noob". Is this a serious condition that needs to be taken care of post haste? I m hoping it is a gasket/o-ring/clamp problem and not something more serious.

Thanks for your help!

Brad
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post #2 of 11 Old 02-29-2012, 09:43 PM
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That is all clean air going through there. It might be just dirt collecting on the "boot" down there. Oil vapors from the Crank Case Vent run through the "CAC" tube. And the oil will seep through those boots. And collect dirt. ( I just noticed, that isn't your engine bay, if that is your truck! That is an 05 + bay)

You probably notice the "blue" boot hooked to the turbo gets dirty? Or oily? Same reason.

Normal operation. No need to panic. Some have rerouted the "CCV" Crank Case Vent, Thus, the "CCV" mod.

By the way, those "blue boots' will fail some time down the road, or "pop" off with a load bang.

Keep an eye on their condition. If you ever find you are losing boost or power, good place to start.
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post #3 of 11 Old 03-01-2012, 05:27 AM Thread Starter
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Thank you for the mind-easing info!

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post #4 of 11 Old 03-01-2012, 05:37 AM
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You should look into the ccv mod.

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post #5 of 11 Old 03-01-2012, 06:17 AM Thread Starter
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Quote:
Originally Posted by amdriven2liv View Post

By the way, those "blue boots' will fail some time down the road, or "pop" off with a load bang.

Keep an eye on their condition. If you ever find you are losing boost or power, good place to start.
Occasionally, when starting up cold, I hear a "whoomph" sound. It reminds me of the sound that an igniting carburator would make after a backfire-thru-the-carb on my old 83 Chebby plow truck.

My truck has no issues, starts great, good power. Upon the first oil change, I had to buy a stock oil cap/filter setup. I had an aftermarket one piece, I think it was WIX on there.

Have owned it for a few months now and am very happy with it.

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post #6 of 11 Old 03-01-2012, 06:39 AM
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"Blend door". I had to ask "What is that thump?" When I got mine too.

My wife noticed it for the first time a couple days ago. And we have had it for a couple years.
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post #7 of 11 Old 03-01-2012, 12:09 PM
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post #8 of 11 Old 03-01-2012, 09:23 PM Thread Starter
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Tanks again sean

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post #9 of 11 Old 03-01-2012, 09:31 PM
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That thump sound you hear when you first start the truck up is normal. I can't for the life of me remember what causes it. But I promise start up a bu ch of fords and you will hear it. Even if you turn the key all the way to on but don't start it you will here it. Just food for thought. And piece of mind to you.

I'm addicted to diesel and I step on it constantly!

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post #10 of 11 Old 03-02-2012, 05:26 AM Thread Starter
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Originally Posted by TheFordman87 View Post
That thump sound you hear when you first start the truck up is normal. I can't for the life of me remember what causes it. But I promise start up a bu ch of fords and you will hear it. Even if you turn the key all the way to on but don't start it you will here it. Just food for thought. And piece of mind to you.
I had no idea what Sean meant by "blend door". I searched and found out that the thump is from the door in the heater that "blends" the air for the various settings on the dial.It must "thump" shut till vacuum is produced to open it.

So..NOW WE KNOW!!

and yet another "thanks,eh?" to Sean!

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