You should not take a 4x4, what you need is a camel.
4x4 with spare tire
i would take water and food
IF the 4x4 module is the problem then a code should be set. Take it to somebody that has a scan tool and that will identify if it is a fuse, the actual switch, the module or solenoid.
2 to 3 hrs.
It should already be in "4x4" mode if it is AWD
they should be free, when in 4x4 they should be locked.
Very time consuming job. It takes what it takes.
take off the wheel, take off the caliper, pull
mainly they and built for rough terrain and the suspension and large wide wheels also help
in the desert wear your go goggles
You urinate on the engine, it should leave a color mark on the engine. If its red, then its not a 4x4, go to the dealership. If its blue, then it is a 4x4
Open the glove box and take the insert out. It should be behind that on the right side.