Tool Required

If the same differential side gears and the thrust washers are being use, install the gears and the washers to the original locations.

1. 2.1. Position 1 pinion gear between the differential side gears.
2. 2.2. Rotate the differential side gears until the pinion gear is directly opposite the opening in the differential case.
3. 2.3. Place the other pinion gear between the differential side gears.

   Link up the hole in both pinion gears.

Fig 1: Differential Pinion Gears & Differential Side Gears

Courtesy of GENERAL MOTORS CORP.

Rotate the pinion gears toward the opening in order to permit the sliding of the thrust washers.

Tighten 

Tighten the pinion shaft lock bolt to 33 N.m (24 lb ft).

Fig 3: Pinion Gear Shaft Lock Bolt

Courtesy of GENERAL MOTORS CORP.

Important  The mating surface of the ring gear and the differential case must be clean and free of burrs before installing the ring gear.

Fig 4: Installing Ring Gear Onto Differential Case

Courtesy of GENERAL MOTORS CORP.

Important  The ring gear bolts have left-hand threads

Hand start each bolt to ensure that the ring gear is properly installed to the differential case.

Fig 5: New Ring Gear Bolts

Courtesy of GENERAL MOTORS CORP.

Tighten 

Tighten the ring gear bolts in sequence to 80 N.m (59 lb ft).