Rear end does not Move after putting transmission in gear

Hi,

Where is it spinning at the differential or the transfer case? If you have it attached to the rear diff then either something is broken or the flange where it attaches to the transfer case has failed. Is there any noise associated with this?

I need to know where it is turning, the rear differential or at the transfer case.

I'm going to provide directions for removal and replacement of the drive shaft. Take a look through it, because chances are it has to come off. The attached pictures correlate with the directions. You will see how the joints tie both the differential and transfer case together.
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2006 Jeep Truck Commander 4WD V8-4.7L VIN N
Shaft-Propeller Rear
Vehicle Transmission and Drivetrain Drive/Propeller Shafts, Bearings and Joints Drive/Propeller Shaft Service and Repair Procedures Shaft-Propeller Rear
SHAFT-PROPELLER REAR
SHAFT-PROPELLER REAR

REMOVAL

NOTE: The propeller shaft slip joint boot can be replaced. Place reference marks on both sections of the shaft to ensure proper assemble.

pic 1

1. With vehicle in neutral, position vehicle on hoist.
2. Mark propeller shaft (1) pinion flange (2) and transmission/transfer case flanges for installation reference.

pic 2

3. Remove propeller shaft (1) from axle pinion flange (2).

pic 3

4. Remove propeller shaft (1) from vehicle transfer case flange (2) or transmission flange (3).
5. Remove propeller shaft from vehicle.

CAUTION: Failure to follow these instructions may result in a driveline vibration.

INSTALLATION

NOTE: Inspect propeller shaft boot for damage and replace if necessary.

pic 4

1. Install propeller shaft (1) on transfer case (2) or transmission (3) with reference marks aligned. Install flange bolts and tighten to 108 Nm (80 ft. lbs.).

pic 5

2. Install propeller shaft (1) on pinion flange (2) with reference marks aligned. Install flange bolts and tighten to 108 Nm (80 ft. lbs.).

CAUTION: Failure to follow these instructions may result in a driveline vibration.

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I really need to know where it is turning. Also, here is a link you may find helpful. It shows in general how to check/remove a drive shaft.

https://www.2carpros.com/articles/how-to-remove-a-drive-shaft

Let me know if this helps or if you have other questions. I will watch for your reply.

Take care,
Joe