Tools Required

1. Clean all parts in a suitable solution before assembling.

Important: 

•	Refer to Shimming Procedures before assembling the differential case.

•	Lubricate the bearing inner and outer race surface before assembly.

2. Install the following parts into the differential case (7):

•	The pinion gears (3)

•	The pinion gear thrust washers (2)

•	The side gears (5)

•	The side gear thrust washers (4)

•	The pinion shaft (6)

•	NEW snap rings (1)





Important: Apply even pressure to the vehicle speed sensor (VSS) ring during installation.

3. Install the vehicle speed sensor (VSS) ring onto the differential case.



4. Apply GM P/N 12345493 (Canadian P/N 10953488) or equivalent to the differential ring gear bolts.

Important: The machined surface on the differential ring gear faces the differential case.

5. Install the differential ring gear onto the differential case.

Notice: Refer to Fastener Notice in the Preface section.

6. Install the ten NEW differential ring gear bolts.

Tighten
Tighten the differential ring gear bolts to 95 N·m (68 lb ft).





Important: Refer to Shimming Procedures before installing the left differential side bearing.

7. Install a NEW left differential side bearing and shim onto the differential case using the J 44386 and the J 7079-2 .




Important: Refer to Shimming Procedures before installing the right differential side bearing.

8. Install a NEW right differential side bearing and shim onto the differential case using the J 44386  (2) and the J 7079-2  (1).