TrailBlazer 2WD L6-4.2L VIN S (2003)
1. Install the ring gear to the differential case.
2. Install the new ring gear bolts.
Hand start each bolt to ensure that the ring gear is properly installed to the differential case.
Notice: Refer to Fastener Notice in Service Precautions.
3. Tighten the new ring gear bolts alternately and in stages, gradually pulling the ring gear onto the differential case.
Tighten the ring gear bolts in sequence to 120 Nm (89 ft. lbs.).
4. Install the drive pinion bearing cups.
5. Determine the selective shim thickness for the pinion gear.
6. Install the selective shim onto the pinion.
7. Install the inner pinion bearing onto the pinion.
8. Install a new collapsible spacer.
9. Lubricate the pinion bearings with axle lubricant.
10. Install the pinion to the axle housing.
11. Install the outer pinion bearing.
12. Install a new pinion oil seal using the J38694.
13. Apply sealant, GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the splines of the pinion yoke.
