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rear main seal??

This is a discussion on rear main seal?? within the Technical / Maintenance forums, part of the General Discussion category; I think mines leaking, Where would the leak be at though? I have some coming down both sides of the ...

  1. #1
    Keepin it Reeeeeeel $gmoney$'s Avatar
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    rear main seal??


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    I think mines leaking, Where would the leak be at though?

    I have some coming down both sides of the motor, on the starter and the oil filter (the oil filter is tight), and I belive going all to the bottom of the oil pan.

    I cant say forsure if its my rear main seal though, Do you guys think it is?
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    Registered User dave89iroc's Avatar
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    Re: rear main seal??

    Quote Originally Posted by $gmoney$
    I think mines leaking, Where would the leak be at though?

    I have some coming down both sides of the motor, on the starter and the oil filter (the oil filter is tight), and I belive going all to the bottom of the oil pan.

    I cant say forsure if its my rear main seal though, Do you guys think it is?
    if it is leaking down both sides, it is not the rear main, it is either the valve cover gaskets, oil pressure sensor(good possibility) or the rear of the intake(most likely)
    Last edited by dave89iroc; 01-30-2008 at 04:20 PM.
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    Re: rear main seal??

    i thought my seal was leaking on the 88 a few years ago and it wound up being the oil presure sensor
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    Re: rear main seal??

    Rear main will drip oil down the bellhousing and pan and back towards the transmission.


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    Keepin it Reeeeeeel $gmoney$'s Avatar
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    Re: rear main seal??

    Intake gaskets were replaced about a year ago. I don't THINK that would be it....however i might be wrong.

    The back of the valve covers (both sides) have some fresh oil on them too....i'm thinking it might be the valve cover gasket or the oil pressure sensor?

    If its the oil pressure sensor is that hard to check?
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    Diesel Nut justy's Avatar
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    Re: rear main seal??

    No you can crawl under and see the sensor. If you had a rear main seal. Those will leaky really bad. You would see it in the bellhousing of the tranmission. Also make sure it's not leaking from like your oil filter adaptor. See that sometimes. If you have a warm day. Buy some degreaser and degrease the engine and rinse it off good. Then let the engine run a bit. You maybe able to trace the leak back easier that way. If you have trouble. Could be that when you drive theres enough wind to blow the oil around.
    Last edited by justy; 01-31-2008 at 01:04 AM.
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