Sierra 1500 4WD V8-6.0L (2007)
12. Install the J 8614-01 onto the pinion as shown.
13. Remove the pinion nut while holding the J 8614-01.
14. Install the J 8614-2 (2) and the J 8614-3 (3) into the J 8614-01 (1) as shown.
15. Remove the pinon yoke by turning the J 8614-3 (3) clockwise while holding the J 8614-01 (1).
Important: Carefully remove the oil seal from the bore. Do not distort or scratch the aluminum case.
16. Remove the oil seal using a suitable seal removal tool.
Installation Procedure
1. Install the oil seal by doing the following:
1. Position the oil seal over the seal bore.
2. Install the J 36366 over the oil seal.
3. Strike the J 36366 with a hammer until the seal flange seats on the axle housing surface.
2. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the splines of the drive pinion yoke.
3. Install the pinion yoke.
Align the reference marks made during removal.
Notice: Refer to Pinion Flange/Yoke Installation Notice.
4. Seat the pinion yoke onto the pinion shaft by tapping it with a soft-faced hammer until a few pinion shaft threads show through the yoke.
5. Install the washer and a new pinion nut.
