why3zx Posted November 3, 2009 Share Posted November 3, 2009 (edited) so, in preperation for a 1000mile hunting trip to a semi back country area in idaho, changed the oil and the gear oil in the tranny this past week, had to use 75-140 in the tranny as it was the only GL4 i could find, (seems to run fine, shifts are a little stiff until its warmed up)everything looked good, oil was BLACK from the seafoam treatment, but the gear oil looked fine, pumped 5 quarts of 140 into the tranny with the truck up on a jack, (not easy to do at 22deg, that stuff is like honey at that temp). so i hunt for four days, beat the piss out of the truck, load a deer in the back and head back for home... stop for gas and look under the truck to find a puddle on the ground, maybe apple size, not too bad, and i was hoping it was the last person who gassed up so i head home and check under it when i get there, yup, another puddle. doesnt drip that i can tell when the engine isnt running and honestly i havent looked when it is but assuming that when theres oil pressure is when its leaking. now the bad part, seems all the oil, assuming that is what it is, it feels thicker but its on the cold ground when i feel it, and its black, the oil that came out of the tranny was really clear, and i cant seemt to think that the new oil would blacken in 1k miles, anyway, it seems that it is all coming out of the hole that the clutch fork protrudes out of.... this to me means bad rear main. damnit. no being a second rig i would just be happy to put oil in the thing till summer hits and it warms up, but im thinking that this clutch wont last very long in an oil bath... so what do you think? sound like a rear main seal? any tips for doing this little project, especially since im between actuall homes and dont have a garage to work in? thanks! Edited November 3, 2009 by why3zx Link to comment Share on other sites More sharing options...
Precise1 Posted November 3, 2009 Share Posted November 3, 2009 All I can say is 'could be'. If it was my truck, this is what I would do. 1) Tighten the oil pan bolts and tranny pan bolts. Just a good snug (something like 10-12ft/lbs) but you'll know if they are a bit loose. 2) Wipe down the bottom of the pans and the front and rear bottom of the engine and tranny. 3) Drive it for a bit and park it on a level, accessable spot. 4) Get underneath and at least generalize where the leak is coming from. B Link to comment Share on other sites More sharing options...
beastpath Posted November 3, 2009 Share Posted November 3, 2009 mine is leaking from the rear main too, although mostly when i stop - maddening considering I just replaced it during the tranny swap. I was planning on leaving it and seeing if lucas oil stabilizer will stop the leak. will it really get all over the clutch? I would have thought it would be fairly well protected. Link to comment Share on other sites More sharing options...
why3zx Posted November 3, 2009 Author Share Posted November 3, 2009 cant think that it wouldnt get on the clutch, that flywheel is spinning all around and the pressure plate shroud doesnt fit that well i dont think, however i have never been into a clutch on a pathy so i really cant say for sure, and my clutch doesnt seem to show any sign of slipping or what not. so who knows, someone on here will i suspect. Link to comment Share on other sites More sharing options...
nismothunder Posted November 3, 2009 Share Posted November 3, 2009 I have to say that I dont really think its coming from your truck,since you say the oil is black and it feels real thick(and cold I'm guessing) The only way to tell if its coming from your truck is to drive it and park it where you know there are no oil puddles already. Link to comment Share on other sites More sharing options...
Kingman Posted November 3, 2009 Share Posted November 3, 2009 I have to say that I dont really think its coming from your truck,since you say the oil is black and it feels real thick(and cold I'm guessing) The only way to tell if its coming from your truck is to drive it and park it where you know there are no oil puddles already. I would think he knows his home quite well... so i head home and check under it when i get there, yup, another puddle Link to comment Share on other sites More sharing options...
why3zx Posted November 4, 2009 Author Share Posted November 4, 2009 oh yeah, unfortionatly it is coming from my truck, that was my first thought when i saw it at the gas station.."ill bet it was the last guy" with a little hope and denial sweetning the thought. it is coming from where the shift fork protrudes from the bell housing of the transmission, to meaning either gear oil or motor oil. i was going to do a little more looking into the situation but slept till 6pm, had to be to work in 20 min and it was already dark,gotta love working nights. either way i will figure out which it is and get back with you guys. but either trans input seal or rear main, neither sound like something i am too excited about repairing. Link to comment Share on other sites More sharing options...
why3zx Posted November 4, 2009 Author Share Posted November 4, 2009 real question is will whichever fluid it happens to be destroy my clutch? making the decision wether this is a project for this weekend or for next summer Link to comment Share on other sites More sharing options...
Precise1 Posted November 4, 2009 Share Posted November 4, 2009 Your bell housing would have to have a puddle in it to leak from that spot, which would mean your clutch wouldn't work. Are you sure it isn't running down from the back of your valve cover gaskets or something? Maybe your slave cylinder leaking?? B Link to comment Share on other sites More sharing options...
GrimGreg Posted November 4, 2009 Share Posted November 4, 2009 My ex said that her old 200sx's clutch would not work unless she poured oil into the bell housing. I always thought she had a screw loose, and she had gotten rid of the car before I met her, so I have no idea. Usually, if clutch or brake friction materials get soaked with oil they will swell, and become more brittle. Link to comment Share on other sites More sharing options...
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