GMC 1990 Light Truck Repair Manual page 299

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, making sure the hole in both
pinion gears line up.
3. Thrust washers (55).
• Rotate the pinion gears toward the opening just
enough to permit the sliding in of the thrust
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.
Important
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
DIFFERENTIAL ASSEMBLY
INSTALLATION
Install or Connect (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
1. 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).