Leak around manifold? - Diesel Forum - TheDieselStop.com
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6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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Old 07-09-2007, 09:24 AM   #1 (permalink)
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Leak around manifold?

I am seeing leaking around my manifold is this normal no smell in cab but I do see the leaking around the manifold it looks wet not like smoke what does everyone else look like?
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Old 07-09-2007, 10:18 AM   #2 (permalink)
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Re: Leak around manifold?

Intake or exhaust manifold?

Which cylinders seem to be closest to the affected area?

What does the accumulation feel like? Slick like oil? Just wet like antifreeze? Does it evaporate away after you shut the engine off hot? What color is it?
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Old 07-09-2007, 10:39 AM   #3 (permalink)
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Re: Leak around manifold?

Exhaust Manifold
3rd one back on both sides
it feels like oil and it does not go away
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Old 07-09-2007, 10:40 AM   #4 (permalink)
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Re: Leak around manifold?

Truck only has 6000 miles on the clock
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Old 07-09-2007, 12:00 PM   #5 (permalink)
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Re: Leak around manifold?

My truck had something similar...oil leaking out of the exhaust manifold on one of the cylinders.

Service Manager said it was leaking exhaust valve stem seal...he replaced both heads. Leak disappeared.
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Old 07-09-2007, 12:53 PM   #6 (permalink)
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Re: Leak around manifold?

Thanks tractor puller But thats not really what I wanted to hear. Because my last truck was lemonlaw because of heads and oil leaks
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Old 07-09-2007, 05:11 PM   #7 (permalink)
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Re: Leak around manifold?

GregH what is your opinon on this?
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Old 07-09-2007, 05:25 PM   #8 (permalink)
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Re: Leak around manifold?

From just a description (even a very good one like yours) it is hard to determine if it really is a problem. Of course, oil should not be coming out around an exhaust manifold - we all know that.

The way I see it, you've got a couple of options.

1 - Take it in and have someone look at it with the intention of fixing it.

2 - Take it in and have someone look at it with the intention of informing you as to the nature of the leak, and what exactly is causing it.

3 - Monitor the situation, and see if improves or gets worse over the next couple of thousand miles.

You've got warranty on your side. You're covered for 3/36 with no out-of-pocket. Therefore, the argument can be made to wait and see if it gets worse. (Or, the more pessimistic view - wait and see what else breaks.)

But, then again, you've got a $50,000 truck bleeding in your driveway...

The source of oil - if it is oil - could be rundown from assembly. These parts are lubricated prior to installation, and a protective film of oil is used after part manufacture but before assembly to prevent corrosion during storage and shipment.

I can see one valve seal going bad at low mileage from a supplier error. I can even see valve seals on one cylider head from a manufacturing error. But you've got 2 affected cylinders on different banks. Seems a little odd.

You might have a glow plug harness leak - but again odd to have it happen on two banks at low miles.

If it were mine, I'd keep an eye on it. But don't forget I'm a tech, and I don't have any money invested in the truck.

What do you think about having someone with experience take a look? Tell them you may not be prepared to have it fixed yet, if you wish....
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