Question about 1996 Jeep Grand Cherokee

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Rear Axle Humming

I had my mechanich replaced my rear axle bearings, (all of them) do to a humming, that humming is gone, now what I have is another humming, but at a low pitch.
My mechanic says that he didn't replace two of the rear bearings because they never go bad, but apparently they did in my case, I urgently need a picture so that he (the mechanic) can pin point them to me, can somebody help me with a picture (inside parts) for a 1996 rear axle on a 1996 Jeep Grand Cherokee 4X4.
I'll be traveling to the USA next week and I would like to take this information to the Dealership.
Thanks for all your help.


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  • augustinecel Jan 29, 2009

    Thanks for your valuable help, however the problem is not in the rear axle but in the CROWN, beeing this the center piece, all of the gears were replaced, all of them, except the bearings.

    Thanks again




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So the mechanic only did half the job after all, there are two on each axle. inner and outer
Rear Axle Humming - 491332b.jpg

Posted on Jan 27, 2009

  • shyspeed Jan 30, 2009

    if the gears had to be replaced due to wear, then the bearings would need replacing due to the fact that there would have been metal in them, from the gears breaking down.

  • shyspeed Jan 31, 2009

    guess you can't trust your mechanic or yourself to do the job properly the first time, bet you didn't shim the crown gear correctly either. Next time get the job done correctly, with a reco diff, to save down time...

    inappropiate solution???

    get a better mechanic or let him do the job, the way it should have been done !



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