1 11/16 inch
Yes
There are two axles bearings on the rear of your Dodge Ram 1500, one for each rear wheel. They would be found at the outside ends of the axle housing.
The axle nut is right hand thread. Turn it counterclockwise to loosen.
It will bolt in, but you need to verify that they have the same ratios.It will bolt in, but you need to verify that they have the same ratios.
It is on top of the rear axle.
It is on top of the rear axle.
75w90
Inside the rear axle.
Top of the rear axle.
iF YOU GO TO ANY aDVANCE aUTO pARTS STORE, THEY HAVE DIAGRAMS OF THE U-JOINTS
A 1994 Ram 1500 has a Dana44 front axle. A 2500/3500 has a Dana60 front axle.
Assuming you mean the front axle 4WD actuator, it is on the passenger side of the front axle housing.