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I can't figure out what's causing a major oil leak I just replace the rear main seal and it's still leaking?

Tiny
CWEBB
  • MEMBER
  • 1998 SATURN ASTRA
  • 240,000 MILES
It's leaking oil around my transfercase well pouring. I've had some say it could be my throw out bearing bad causing it to leak I'm not reslly sure and would like to know my possible causes
Saturday, November 12th, 2011 AT 8:21 PM

10 Replies

Tiny
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  • MEMBER
  • 6 POSTS
It's a SL1
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Saturday, November 12th, 2011 AT 8:21 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So is it leaking oil or transmission fluid?Because there should be transmission fluid in your manual transmission.
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Saturday, November 12th, 2011 AT 10:22 PM
Tiny
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It's leaking motor oil. I can take a pry bar and push in on my crank shaft pully it will move in about 1/4 inch while holding that in, the leak slows down to a bear minimum but once I take pressure off the crank it starts pouring oil agin
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Sunday, November 13th, 2011 AT 11:15 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So its coming from the rear main area correct?A 1/4" crank play isnt too bad. What did you use to install the rear main seal?
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Sunday, November 13th, 2011 AT 4:40 PM
Tiny
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Yes an I had a local mechanic replace my rear main and clutch but come to find out guys that work for them are half assers like most if there was something's else going on in that area ud think they shoulda noticed
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Sunday, November 13th, 2011 AT 7:57 PM
Tiny
SATURNTECH9
  • MECHANIC
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They probably didnt use the correct tool to install the rear main thats why its leaking.
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Sunday, November 13th, 2011 AT 9:14 PM
Tiny
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Ok but I'm still lost why dose the leak stop when I pry in on my crankshaft pully seems to me if the seal was bad it would still leak not stop
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Sunday, November 13th, 2011 AT 9:43 PM
Tiny
SATURNTECH9
  • MECHANIC
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If the seal wasnt in the correct depth into the rear main carrier that would explain it.
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Sunday, November 13th, 2011 AT 9:48 PM
Tiny
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I would also like to kno if my throw out bearing or release bearing would have anything to do with taken some of that slack up or possibly stoping my leak?
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Sunday, November 13th, 2011 AT 10:09 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
The throw out bearing has nothing to do with the play in the crank or the leak. The play would be the play in the crankshaft main bearings.I have seen crankshafts with more end play then yours and the rear main wasnt leaking. There is something most likely wrong with rear main seal. What did the shop say about the oil still leaking.
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Sunday, November 13th, 2011 AT 11:00 PM

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