Question about Chevrolet Silverado 1500

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My transfer case has started to leak from a small weep hole on the passenger side of the rear case, just above the fill plug area It appears to be leaking out only when driving the truck -- Any idea why this has started to leak?

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  • silverado3 Sep 05, 2008

    i think that i am having the same problem on my 99 Silverado. Anybody know why or have a solution?


  • Chevyhead90 Apr 24, 2009

    i have a 78 gmc jimmy and my transfer case seems to leak where the front drive shaft connects anyone no wat i should do it only leaks when im driving

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The internal oil pump has worn through the case - poor design i was told by the transmission shop. Talk to them, they see it all the time. I just replaced mine last fall except i had to rebuild the entire transfer case after it locked up. The half case is only about $300, my rebuild was about $2000 after neglecting the problem.

Posted on Sep 12, 2008

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Hi there,

CAUTION

New transfer case lubricant must be installed any time the transfer case has been submerged in water. Also, transfer case failure CAN result if the correct fill procedures are not followed.

NOTE: The transfer case is lubricated for life and is not to be checked unless a leak is suspected or a repair is necessary.
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  2. Apply sealant to the drain plug threads and install the plug.
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Cheers,


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