Figure 3-59. Rear axle gearbox:
1 - drive gear;
2 - driven gear;
3 - satellite;
4 - axle shaft gear;
5 - satellite axis;
6 - differential box;
7 - differential box bearing cover mounting bolts;
8 - differential box bearing cover;
9 - locking plate;
10 - bearing adjusting nut;
11 - gearbox housing.
Remove the differential box from the gearbox housing 11 together with the driven gear 2 and the inner bearing rings.
To remove gear 1 and its parts:
- turn the gearbox housing upside down (figure 3-60) and, holding the flange 3 of the drive gear with stopper 1, unscrew the flange fastening nut 2 with key;
Figure 3-60. Loosening the drive gear nut:
1 - key 67.7811.9507 for fixing the flange of the drive gear;
2 - socket wrench;
3 - drive gear flange;
4 - bracket.
- remove the flange and take out the drive gear with the adjusting ring, the inner ring of the rear bearing and the spacer sleeve;
- remove the oil seal, oil deflector and inner ring of the front bearing from the gearbox housing;
- press out the outer rings of the front and rear bearings using mandrel 67.7853.9579;
- remove the spacer sleeve from the drive gear and, using the universal puller and mandrel A.45008 (figure 3-61) remove the inner race of the rear roller bearing;
- remove the drive gear adjusting ring.
Figure 3-61. Removing the inner race of the rear bearing of the pinion gear with a universal puller
To disassemble the differential:
- remove inner rings 2 (figure 3-62) roller bearings of the 3rd differential box, using a universal puller and stop 67.7853.9628 for this purpose;
Figure 3-62. Removing the differential box bearing inner race using a universal puller:
1 - universal puller;
2 - inner bearing ring;
3 - differential box;
4 - stop 67.7853.9628.
- unscrew the bolts securing the driven gear and knock the satellite axle out of the differential box;
- turn the axle gears and satellites so that the latter roll out into the differential windows, after which they can be removed;
- remove the axle shaft gears with support washers.
(The original article can be found on the resource: CHEVYMAN)