call your local dealer with your vin. # and they will be able to tell you what type of rear axles are in your Jeep or you can look at the rear-end cover and locate an info. tab on one of the mounting bolts.
Dana 35 or Dana 44
If you are asking about rear axle gears, no. The XJ has a corporate axle and the ZJ has a Dana axle.
Yes
no, it has a live axle.
A 44 rear axle in a Grand Cherokee has an aluminum center, so if a magnet won't stick to the part that the cover bolts to it is a 44.
No.
Dana 35 or Dana 44
Usually that's in reference to the differential (the centerpiece on a axle) as it is round like a pumpkin.
final axle ratio 3.55
Back by the fuel tank, driver side, rear axle.
They are on the inside, next to the differental bearings. The entire axle has to be dissassembled to replace them.
The starter is on the driver side of the engine, above the front axle assembly.
It keeps the front axle in the correct left to right alignment.