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Old 12-27-2019, 02:45 PM   #40 (permalink)
Jinxx
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Location: South Carolina
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Drives: 2017 nismo 370z
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Quote:
Originally Posted by MoulaZ View Post
Alright, let's analyze it and feel free to correct me.

1. If it still was my mistake, the only way I see it possible is I completely missed the zerk and just decided to blast the under side of the turbo with grease and completely ignored said grease. Seems quite unlikely.

2. The way it appears to have pooled suggests it was in a liquid state at the time. It is not liquid when pumping. But in the spirit of fairness it could have been point 1, and after taking it out and heating up it liquefied on the outside I suppose.

3. If we accept it was liquid at the time of leaking/pooling on the under side and I am correct in saying there wasn't a single smidge of grease on it when I finished and cleaned up, then that only leaves a leak with an, as of now, unknown cause.

4. Judging by the photo it is unlikely it leaked from the tip of the zerk, and appears it may have come from the base of the zerk on the CHRA somehow. How? I have no idea, hence all of this.

5. It's possible that black crap isn't grease at all and something else altogether. But then why so specifically in that area in that shape around the zerk base?

Me refusing to consider your explanation is not an ego thing, but when considering point 1 and possibly 2, makes it seem ridiculous. I had already considered it and given the observations above still felt it made no sense and sought other possible ideas on here. So... sorry?





I'd be fine with something like that were it an option.

It would be unlikely that any grease could leak out of the turbo and end up in that location ...if it leaked it would be from the tip of the zerk...inside the turbo the bolt is hollow and if leaking from the threads the hot water would carry it into the coolant system before it leaked outside the turbo ....one thing to consider is it could be a small amount of coolant leaking from the turbo and coolant can have a sticky residue that would collect dust like you see ...I did have similar build up right before my o-ring started leaking leaking badly ... with my grease gun when greasing it would slightly push the zerk to the side due to the grease fitting against the housing which allowed the o-ring to “ break its seal “ and it would get worse each time
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