TrailBlazer 2WD L6-4.2L VIN S (2003)
3. Install the axle shaft seal using the J21128.
4. Drive the tool into the bore until the axle shaft seal bottoms flush with the tube.
5. Install the axle shaft.
6. Install the rear axle housing cover and the gasket.
7. Install the tire and wheel assembly.
8. Fill the rear axle with axle lubricant. Use the proper fluid.
9. Lower the vehicle.