oil leaking inside turbo - Ford Powerstroke Diesel Forum
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Old 09-15-2009, 07:59 AM
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oil leaking inside turbo

i just bought a 05 6.0L that was getting 0-5lbs boost (sitting for a year). i took my turbo apart to clean the carbon out, reinstalled it and still had no boost (boost leak coming from the v-clamp, can feel it by putting hand next to it, and hear it). i also noticed it was leaking some oil out of the intake side of the turbo that wasn't there before, not TOO much i was told, you can see here:

so i took everything apart again and as i was tightening down the v-clamp(hold the 2 halves of the turbo together) it broke, so i had to wait 4 days to get another one from the dealer. so this morning i went to put the new v-clamp on and install the turbo, but noticed it's leaking oil inside the turbo... i had it set on the exhaust side for 4 days, intake side facing up. after i split apart the 2 halves of the turbo you could see oil all over the propeller blade thing (haha i don't know the technical term for the parts in the turbo, i looked for a while through google for some sort of diagram so i didn't make myself look too stupid, but couldn't find anything). the oil is leaking down onto the unison ring, the vanes, and eventually out of the exhaust side. oil was NOT leaking anywhere before i removed the turbo the first time. here's some pics of what i am talking about:

it's leaking a bit worse than the pictures are showing. so basically i need to know what part of the turbo is causing it to leak like this. any input would be great

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Old 09-15-2009, 03:50 PM
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Oil on compressor side is from crankcase breather plugged into intake tube. Oil on turbine side is from turbo sitting on side. Shaft seal is laberinth non contact style which has gaps built into it and requires rotation to seal. Inspect bearings and if good, put the turbo back together and go.
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