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 4L80E tranny leak

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batty1214
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batty1214

Posts : 448

Age : 34
Location : Utah

4L80E tranny leak Empty
PostSubject: 4L80E tranny leak   4L80E tranny leak EmptyMarch 18th 2011, 9:55 pm

I have been driving the suburban, and after about a week, I end up putting 1 quart in the tranny. I steam cleaned the bottom of the truck off, and It is leaking out of the transfercase........ I pulled the check level plug, and out came a bunch of atf....... Is there a seal that sits in the output of the transmission, or a seal on the input of the transfer case. Im just worried about burning the tranny up if I run it low one of these days. What do all yall think or know? oh, the tranny is for sure a 4L80e, and the transfer case is a np241c
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007jimmy
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007jimmy

Posts : 1955

Age : 34
Location : levittown, PA

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PostSubject: Re: 4L80E tranny leak   4L80E tranny leak EmptyMarch 18th 2011, 11:21 pm

im pretty sure its on the transfercase not the trans..
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merlin5577
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merlin5577

Posts : 2938

Age : 34
Location : Taunton, MA

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PostSubject: Re: 4L80E tranny leak   4L80E tranny leak EmptyMarch 19th 2011, 12:25 am

Output shaft seal on those transfer cases are notorius for leaking.

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4L80E tranny leak Empty
PostSubject: Re: 4L80E tranny leak   4L80E tranny leak Empty

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