Sierra 1500 4WD V8-5.3L VIN B HO (2006)
9. Place an alignment mark between the pinion and the pinion yoke.
10. Install the J 8614-01 as shown.
11. Remove the pinion nut while holding the J 8614-01.
12. Remove the washer.
13. Install the J 8614-2 (2) and the J 8614-3 (3) into the J 8614-01 (1) as shown.
14. Remove the pinion yoke by turning the J 8614-3 (3) clockwise while holding the J 8614-01 (1). Use a container in order to retrieve the lubricant.
15. Remove the pinion oil seal. Use a suitable seal removal tool. Do not damage the housing.
Installation Procedure
1. Install a new pinion oil seal using the J 22388 (8.6 inch, 9.5 inch axles) or the J 44414 (10.5 inch, 11.5 inch axle).
2. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the splines of the pinion yoke.
3. Install the pinion yoke. Align the marks made during removal.
