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1994.5 - 1997 7.3L Power Stroke Diesel  

oil in intercooler

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Old Dec 9, 2010 | 08:43 AM
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jp1gt
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oil in intercooler

I have a 97 f250 with a banks kit on it (90K original miles). I have 2 problems. For a few years there has been oil in the intercooler hoses. Bad seals on the turbo? How much oil is too much? Now the big problem is a whining noise only under load. I checked a all the hose fittings and I see no oil coming out of them.
 
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Old Dec 9, 2010 | 09:16 AM
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Firtat of all Welcome.

The oil in the IC is from the Crank Case Vent. Search this forum for CCV mod.
The whine may be the turbo? Hard to tell w/o hearing it. Try posting a sound clip of it here.
 
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Old Dec 9, 2010 | 09:43 AM
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jp1gt
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I guess I will have to find someone with a smart phone to get the noise on the internet. It is a real weird whining noise. I found another leak in the intercooler line because of a oil leak, I will look again. One friend thinks the noise is a front input shaft bearing in the 5 speed.
 
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