Front Drive Axle Inner Shaft Replacement for Chevrolet TrailBlazer - 2WD 2004

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Drain the lubricant from the differential carrier assembly. Refer to Front Axle Lubricant Replacement .
3. Remove the intermediate shaft bearing assembly. Refer to Front Drive Axle Intermediate Shaft Bearing Assembly Replacement .
4. Install the J 45104 to the J 6125-B .
5. Install the J 45104 and the J 6125-B into the threaded hole on the inner axle shaft.




Important: Do not nick or cut the inboard (oil pan) side differential carrier assembly oil seal.

6. Remove the inner axle shaft using the J 6125-B  (1) and the J 45104 (2).

Support the inner axle shaft as necessary to in order to pull the inner axle shaft from the differential carrier assembly and evenly through the oil pan.

1. Install the J 45104 and the J 6125-B to the inner axle shaft.
2. While supporting the J 6125-B and the J 45104 with the inner axle shaft, place the inner axle shaft into the inner axle shaft opening in the oil pan.




Important: Do not nick or cut the differential carrier assembly oil seal.

3. Using the J 6125-B (1) and the J 45104 (2), carefully guide the inner axle shaft through the oil pan and differential carrier assembly oil seal into the differential side gear turning as necessary in order to align the inner axle shaft splines with the differential side gear splines.
4. Using the J 6125-B , push the inner axle shaft into the differential side gear until the retaining ring snaps the inner axle shaft into place.

Pull on the inner axle shaft to ensure that it is locked into position.

5. Remove the J 45104 and the J 6125-B .
6. Install the intermediate shaft bearing assembly. Refer to Front Drive Axle Intermediate Shaft Bearing Assembly Replacement .
7. Add lubricant to the differential carrier assembly. Use the proper fluid. Refer to Front Axle Lubricant Replacement .
8. Lower the vehicle.