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Join Date: Jan 2003
Location: New England
Posts: 170
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Help! gear box "peeing oil"
Just finished a 3.0/915 trans installation in a 69E. I serviced the gearbox to about 1/2 inch below the filler plug. After a 10 minute drive I have gearbox oil spewing out the top of the transmission most likely from, the vent. Why is this happening??? There were no static leaks while the car sat in the garage. I also jacked up the car and let the GB spin along in 5th gear at idle and saw no leaks. But after driving the car I leave a nice trail of swepco up the driveway into the garage. What the */-/ % is going on you guys?
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04-20-2004, 05:04 PM
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can you peek over the tranny with a mirror?
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poof! gone |
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04-20-2004, 05:06 PM
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most likely your vent hole is pointing the wrong way
Jim
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Jim Hamilton If everything seems under control, your not going fast enough. |
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04-20-2004, 05:12 PM
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Quote:
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Eugene (Formerly) at Pelican Parts Pelican's E-Commerce Guy, 2003-2011 2001 330i Sport 1983 911SC Coupe (sold) |
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04-20-2004, 05:27 PM
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Wow, that is pretty strange! The vent hole must be facing in the right direction? Exellent! I thought I was about to pull out the tranny for some major failure!!! Thanks for the info Pelicanites!
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04-20-2004, 06:11 PM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
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I concur on the vent hole facing wrong way. Oh and you didn't fill the gearbox up all the way. It should be at a level where tranny fluid is just running over the lower threads of the fill hole.
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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04-20-2004, 06:25 PM
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Re: Help! gear box "peeing oil"
Quote:
 Just kidding, once the vent points into the right direction you should be fine.
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1974 Targa 3.6, 2001 C4 (sold), 2019 GT3RS, 2000 ML430 I repair/rebuild Bosch CDI Boxes and Porsche Motronic DMEs Porsche "Hammer" or Porsche PST2, PIWIS III - I can help!! How about a NoBadDays DualChip for 964 or '95 993 |
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04-20-2004, 06:58 PM
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Oh no! now what??
As I said last night, the GB was serviced a little below the fill port. Today I checked the vent hole orientation and found it not pointing exactly straight ahead so I corrected this. Then I drove it again and GB oil STILL "pees" out. If I let it "pee away" do you suppose the GB will find its own level?? This is whacked!! What do I do now ?? Do I need to drive with an "ecology collector can" strapped to the side of the tranny!!??
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04-21-2004, 02:40 PM
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Are you certain it's leaking from the vent hole? If your mainshaft seal is torn, it will spray fluid on your clutch, then sling out through the clutch inspection holes at both the top and bottom of the case.
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Eugene (Formerly) at Pelican Parts Pelican's E-Commerce Guy, 2003-2011 2001 330i Sport 1983 911SC Coupe (sold) |
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04-21-2004, 03:49 PM
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68, 70, 88, 99 Porsche 911 
1974 Porsche 911 Targa 3.6
