Eaton Limited S Lip; Disassembly; Inspection - GMC 1982 Light Duty Truck Service Manual

4B6-2 REAR AXLE
Fig. 4B6-2--Removing Preload Spring Pack (Typical)
D isa sse m b ly
1. Remove ring gear and side bearings following the
procedures established for the conventional differential
unit.
2. Remove the preload spring retainer and springs by
tapping on the spring retainer through the observation
hole in the case. See figure 4B6-2. Drive the spring
retainer from the case sufficienly to allow insertion of a
1/4 inch bolt in each of the two front springs. Secure
each bolt with a nut as in figure 4B6-3.
3. After installing the retaining bolts, continue to drive
spring retainer from the case until enough of the
retainer is exposed to permit installation of bar stock
and "C" clamp as shown in figure 4B6-4. Center the
bar stock over the axle shaft hole in the spring retainer,
then compress "C" clamp sufficiently to permit
withdrawal of spring pack.
4. Position spring pack in vise and remove 1/4 inch bolts.
A lternately relieve "C" clamp pressure and vise
pressure until spring compression is relieved. See figure
4B6-5.
Fig. 4B6-4--C-Clamp and Bar Stock Installed for Spring
Removal
EATON LIMITED SLIP - FIGURE 4B6-1
Fig. 4B6-3--lnstalling Bolts to Retain Springs
5. Roll out the differential pinions and thrust washers.
6. Remove side gear, clutch pack, shims and guides from
case. Tap the assembly from the case, using a brass
drift as shown in figure 4B6-7. Repeat removal on
opposite gear.
7. Separate clutch pack assembly from side gear. Retain
clutch pack assembly with original side gear.

Inspection

1. Check clutch plates and discs for excessive wear and
signs of overheating.
Clutch plates and discs are not serviced separately. If
replacement is required, clutch pack must be replaced
as an assembly.
Fig. 4B6-5--Removing Preload Springs from Pack