TwinTurbo.NET: Nissan 300ZX forum - Upon bearing inspection, motor inverted, PS Turbo Oil Leak?
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Subject Upon bearing inspection, motor inverted, PS Turbo Oil Leak?
     
Posted by ZinnZ32 on August 27, 2012 at 4:30 PM
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So, I flipped my long block over on the engine stand, I was pulling the oil pan to inspect the rod bearings. Next thing I know is my passenger side turbo is leaking oil out of the intake and exhaust housings!!! They are barely used sport700's with a couple thousand miles on them, perfect shaft play/clearance, yet they are leaking oil out of the front/rear turbo seals. Beforehand, they never smoked, they were in mint condition, and suddenly they had begun leaking right then and there!

I know it is a strange anomaly, I really need to know if there is a cause and possible effect for this occurrence, if it is ok, or it may be detrimental in any way. It makes sense to me that its possible by inverting the engine the remaining oil residue flooded the bearing chamber and seeped out, I don't see why this would happen on one side, and not the other though. It is weird to me, because the seals should NOT be blown already, at least, I really hope that isn't the case...

Any help/info is appreciated!

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