Join Date: Apr 2002
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Re: d300 is leaking out the vent tube after 700r.
I guess i will post an update since NOBODY even replied.
Hopefully this will help someone someday.
I found out that the nut on my front output shaft was lose and thus causing oil to leak out on the nut, run down to the u joint, then flip up on the vent hose. There was no oil running down the front of the tcase, so I didn't think it was coming from the front output shaft. It was, just by the nut, not out the seal. Obviously a very easy cheap fix - tighten the stupid nut.