Differential problem I think??
I have a whining in the rear.
I just bought this Jeep December 3, 95 grand Cherokee 4.0, I have been doing a lot of repairs.
It had a bent rear left axle, replaced axle with good junkyard axle new bearing and seal.
Before that I don't know if the rear end was whining because the left rear bearing was making so much noise.
Now I thought it might be making too much noise, whining at lower speeds, but today was first day I took it out on freeway, and when I got it up to 70 75 80 it was whining big-time, wines most as you accelerate, a lot less when you let off.
Is definitely coming from the rear not the tranny.
When I did the rear axle I checked the fluid before I opened it up and it was only slightly low, the fluid was black.
I noticed that it had been leaking some around the pinion seal. The new oil I put in was Mobil1 Synthetic Gear Lubricant LS 75W-90
It has the command Trac four-wheel drive, the rear end is a Dana 35C, does this require an additive?, I did not put any additive in.
So! Is my right rear bearing bad making that noise? I doubt but I thought I should ask. Or is it my pinion gear? Or other parts in the rear end? Or drive shaft u joint maybe?
From what I understand it is probably not a good idea for me to try to replace the pinion gear, so how much will it cost me to have this done?
How many miles can I drive it this way without destroying something?
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[QUOTE=rooster51;13297693] Whats the worse that can happen? Your jeeps already broke.