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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for the humming check the rear tires for uneven wear. if the are choppy that will couse a humming noise. next check the axle seals, if they leak the rear diff will run low on fluid and cause the bearings to make noise. if the seals are leaking the rear diff will have to come out and be inspectec for internal damge,last possability is the rear wheel bearings they can be checked by raising the vehicle and moving the tire in and out to see if there is slack if there is movement from in and out they will need replacement, the have to be pressed in so you might want a shop to do that repair
That will be a Huge job. The whole front diff must come out of the car and the case will need to be taken apart to even gain acess to the carrier side bearings.
The hub bearing is where the wheel bolts up is that maybe what you are talking about?
Also the axle seal isn't that bad to do you need to remove the cv shaft then it's just a simple remove the seal and install the new one.
But all of these jobs will be big ones.
rapeck: The Maxima rear axle bearings are manufactured as a hub assembly. There is a ring for the ABS which is fitted to the hub which must be removed and installed on the replacement hub.
A puller or other method is used to remove it and install it.
Aside from that, taking the caliper off and hanging it, removing the brake rotor and removing the axle nut. Torquing the axle nut is necessary. so there you have it...