GMC 1982 Light Duty Truck Service Manual page 491

TIGHTEN BOLTS ONE TURN AT A
TIME. THEN TORQUE TO 30 FT. LBS,
Fig. 4B6-20--Bolt Torque Sequence
3. Insert five springs into spring block that is already
installed into case, then place second spring block over
springs (Fig. 4B6-18).
4. Install second cone/gear assembly face down on spring
block so that gear will mesh with pinion gears.
5. Install flange half of differential case over cone, insert
case bolts finger tight (Fig. 4B6-9).
6. Tighten bolts one turn at a time in sequence shown in
Fig. 4B6-20. Then torque case bolts to 40 N-m (30 ft.
lbs.).
7. If side bearings were removed, lubricate outer bearing
surfaces and press on bearings as shown in the Service
Manual.
8. After making sure that matching surfaces are clean
and free of burrs, position ring gear on case so holes are
in line.
9. Lubricate N E W attaching bolts with clean engine oil
and install.
10. Pull ring gear onto case by alternately tightening bolts
around case. When all bolts are snug, tighten bolts
evenly and alternately across diameter to 160 N -m (120
ft. lbs.) torque. Do not use hammer to force ring gear on
case.
11. Install unit into axle carrier.
REAR AXLE 4B6-9