GMC 1990 Light Truck Repair Manual page 230

4B7-2 LOCKING DIFFERENTIALS
71 2
A. / -lnch Ring Gear
81 2
B. / -lnch Ring Gear
91 2
C. / -lnch Ring Gear
1
. D ifferential Case
1/2
2. Stop Pin (9 Only)
3. Lock Screw
4. Governor Bushing
5. Latching Bracket Bushing
Figure 2—Removing the Governor Bushings
6
Pinion Thrust Washer
7 Pinion Gear
8
Side Gear Thrust Washer
9
Clutch Plates
10 Side Gear
11
Latching Bracket
12 C lutch Plates
13 Side Gear Thrust Washer
14
Side Thrust Sleeve (91 fe Only)
15
Wave Washer
Figure —Differential Components
1
Cam Plate
Thrust Block
Pinion Shaft
Guide Clip
Guide Clip
Side Cam Gear
Retaining Ring
Governor
Figure 3—Removing the Retaining Ring
F-05914
F-04800