Question about 1989 Jeep Grand Wagoneer

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Leaking Tcase after replacing seal?

Just replaced the Tcase in my 89 waggy. Its the NP229 tcase. replaced the rear output shaft seal and it is still leaking. WTF what could be wrong. Not properly seated? Worn shaft?

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  • Jeep Master
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If you did not damage it during install, you may have a bad output bearing which is allowing shaft to move up & down, check shaft to see if it moves. Generally unless there is a pronounced groove in the yoke seal surface it will not leak. (I generally put a small amount of rtv black on outside of seal to prevent any seepage around outside.

Posted on Apr 15, 2009

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