Sierra 1500 2WD V6-4.3L (2008)
6. Install the pinion into the pinion gear bearing retainer.
7. Install the outer pinion bearing onto the pinion.
8. Install a new pinion oil seal using the J 44414 .
9. Apply sealant, GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the splines of the pinion yoke.
10. Install the pinion yoke.
Align the marks made during removal.
Notice: Do not hammer the pinion flange/yoke onto the pinion shaft. Pinion components may be damaged if the pinion flange/yoke is hammered
onto the pinion shaft.
11. 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.
12. Install the washer and a new pinion nut.
13. Install the J 8614-01 onto the pinion yoke as shown.
Notice: Refer to Fastener Notice .
Important: If the rotating torque is exceeded, the pinion will have to be removed and a new collapsible spacer installed.
14. Tighten the pinion nut while holding the J 8614-01 .
Tighten the nut until the pinion end play is just taken up. Rotate the pinion while tightening the nut to seat the bearings.
