Turbocharger leaks oil from intake manifold hoses - Ford Powerstroke Diesel Forum
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Old 02-24-2008, 11:44 AM
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Turbocharger leaks oil from intake manifold hoses

I need to change the Y pipe couplers [the hose providing connection between intake manifold and engine connections] on my 1999 7.3 powerstroke. The existing hose is leaking oil and need to be replaced. Are they difficult to change? Also, where did you buy the replacement hoses and the O-ring? The dealerís price is about $168 for both of them not including the O-ring.
I donít want to compromise on the quality and the reliability of these connection hoses, so do you guys recommend I buy the parts from the dealer or buy after market parts?

Thanks in advance,
Isaac

1999 Ford 350 PSD
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Old 02-24-2008, 12:06 PM
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Hoses and O rings??? Not sure I'm following you and I know the 7.3 turbo like the back of my hand it seems at this point...
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Old 02-24-2008, 12:08 PM
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The only O rings are on the bottom and top of the pedistal.

I don't know of any tubes or hoses on the turbo???

There is a map line that comes from the map sensor over to the front of the turbo. That's just standard small diameter heater hose. There is a wastegate line that's red that splits at the front of the Ypipe, and there is a green line that goes from the Ypipe over to the intake...
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Old 02-24-2008, 10:28 PM
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hose or lines coming from Y pipe that attache the intake manifold to the engine--where the compressed air enters to the engine. Actually I took my truck to get camshaft positon sensor changed [the recall issue] and the technician alerted me on the problem which he said it wasn't an urgent issue but i should get the hoses changed. It's the orange colored line--hose-- that goes from the Ypipe over to the intake. Also, as you rightly suggested the peldestal O-rings that need to be changed.
Are they difficult to change and do we have any torque values as to how tight we should tighten the spring clamps?
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Old 02-25-2008, 05:44 AM
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Subbin.... did not know there was oil going there. I thought that was just air movin through those holes.

Can you post a pic?
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Old 02-25-2008, 05:51 AM
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i think he's talkin about the oil from the ccv that gets blown through our intakes. dieselsite.com, or dieselpowerproducts.com sells the boots kits
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Old 02-25-2008, 06:17 AM
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OHHHHHH

Ok those are called "boots"

For 100 bucks you get 4 of them from www.dieselsite.com

and you get new zinc plated spring clamps.

Don't buy factory ones - they break down from oil over time and cause boost leaks.
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Old 02-25-2008, 08:41 AM
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thank you for the info, this was exactly what I am looking for, the original boots [now I know they are called boots] had cracks on them causing the leaks, well they are 9 years old so its time to change them. I will order one set soon from dieselsite.com.
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Old 03-02-2008, 01:24 PM
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The reason they break down over time is because of the oil you're seeing. Consider doing a CCV Mod if you are going to change your boots. It keeps the boots clean and oil free as well as your engine compartment. NCHornet sells a great kit.
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