GMC 1989 Light Duty Truck Repair Manual page 301

install them on the same side from which they
were removed.
2. Pinion gears (56).
• Position one pinion gear (56) between the side
gears and rotate the gears until the pinion
gear is directly opposite the opening in the
case.
• Place the other pinion gear (56) between the
side gears, m aking sure the hole in both
pinion gears line up.
3. Thrust washers (55).
• Rotate the pinion gears toward the opening just
enough to perm it the slid in g in of the th ru s t
washers.
4. Shaft (52) and pin (36) (K15-25 models) or bolt (24)
(K35 models).
5. Ring gear (37) onto the differential case (35).
6
. Bolts (34). The bolts have left hand threads.
Im portant
Always install new bolts. Never reuse the old
bolts.
• Bolts (34) alternating in progressive steps to
120 N-m (88 ft. lbs.).
7. Side bearings (33), using J 22761 (K15-25 models)
or J 29710 (K35 models) and J 8092 (figure 26).
K TRUCK FRONT AXLE 4C4-13
Figure 25— Measuring Pinion Preload
J 8 0 9 2
Figure 26— Installing the Differential Side Bearing
DIFFERENTIAL ASSEMBLY
INSTALLATION
Install or C onnect (Figures 1 through 4 and 27
through 30)
Tools Required:
J 36612 Bearing Installer (K15-25 Models)
J 36613 Bearing Installer (K35 Models)
J 8092 Driver Handle
J 36599 Sleeve Adjusting Wrench
J 36615 Adjuster Plug Wrench (K35 Models)
J 36603 Side Bearing Cup Installer
Bearings (30) to the sleeves (32) and/or adjuster
plug (61) (K35 models). Use J 8092 and J 36612
(K15-25 models) or J 36613 (K35 models) (figure 27).
J 22761 (K 1 5 -2 5 )
J 2 9 7 1 0 (K 3 5 )
F-5871