96 4l60e 4x4 leak.
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96 4l60e 4x4 leak.

  1. #1
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    Default 96 4l60e 4x4 leak.

    96 Suburban 4x4. Its leaking right behind the pan, but up on the case, can't tell exactly where because of how dirty it is. But, its leaking line pressure, I checked the fluid diagram and in park, line pressure flows through that same area. So, I'm thinking the case is cracked. Is there a seal back there that would leak line presure I can't tell from the diagram.

    If looking from the bottom, its like right behind the pan and straight up, looks almost dead middle..like maybe where the casting comes together??

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    "Try it Now!" Tahiti Boss21's Avatar
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    I'm sure a tranny expert will pop up...but you sure it isn't the tail shaft seal?
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    Quote Originally Posted by Tahiti Boss21 View Post
    I'm sure a tranny expert will pop up...but you sure it isn't the tail shaft seal?
    well, since its a 4x4 the tail shaft goes into the transfer case, so it'd be the seal between the two, but this is way before that, and I can see the fluid shooting out of it right behind the pan. I really just don't think there's any seal there to leak. Thank you for the suggestion.

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    mo balls than $cents$ IMPATIENT 1's Avatar
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    there's a oring between the trans and the adapter, then between the adapter and transfer case there's a gasket. if its shooting out with pressure, you're gonna be buyin a trans, if its just leaking its no biggie.

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    Quote Originally Posted by IMPATIENT 1 View Post
    there's a oring between the trans and the adapter, then between the adapter and transfer case there's a gasket. if its shooting out with pressure, you're gonna be buyin a trans, if its just leaking its no biggie.
    Yes, its def. shooting out with pressure. What do you think it is to require a new trans?

    Thanks!

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    Senior Member EVILFORCE's Avatar
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    With presure you will need a case and O/H. Had a few back in those days with bad castings.
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    Quote Originally Posted by EVILFORCE View Post
    With presure you will need a case and O/H. Had a few back in those days with bad castings.
    guess a lil' jb weld won't fix this mess huh?

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    Quote Originally Posted by PowerAddict View Post
    guess a lil' jb weld won't fix this mess huh?
    not porous case, its prob cracked and you jus can't see it. check all the ujoints while the trans is out, a bad joint will shock the driveline alot and do that too, as well as jus plain ole beating on the truck

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    I'll check it out. Would an epoxy fix a crack?

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    it is cracked.

    are there different lengths for the 4x4 transmissions? Is a 4x4 s10 style truck's 4l60 the same length as a 4x4 1500?

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