Assembly Of Axle; Differential Case Assembly; Pinion Bearing Cup Installation; Figure - Chevrolet 1988 Light Duty Truck Repair Manual

4C3-8 T TRUCK FRONT AXLE
Im p o rtan t
Lubricant all the seal lips, bearings, gears, and
bearing surfaces with axle lubricant prior to assem ­
bly.

DIFFERENTIAL CASE ASSEMBLY

|-»<-| Install or C on n ect (F ig u res 1, 2 and 16)
Tool Required:
J 33790 Side Bearing Installer
1. Thrust washers (53) and side gears (54) into the
differential case (35).
• If the sam e gears and w ashers are being
used, install them on the same side as they
were removed from.
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
e n oug h to p e rm it th e s lid in g in of the th ru s t
washers.
4. Shaft (52) and bolt (36).
5. Ring gear (37) onto the differential case (35).
6. Bolts (34).
Im p o rta n t
Always install new bolts. Never reuse the old
bolts.
T ig h te n
• Bolts (34) alternating in progressive steps to
80 N m (60 ft. lbs.).
7. Side bearings (33), using J 33790 (figure 16).
PINION BEARING CUP
INSTALLATION
-► «- Install or C o n n e c t (F ig u res 1 , 2 , 17 and 18)
Tool Required:
J 33837 Pinion Bearing Remover and Installer
1. Bearing cup (41) into the case using J 33837-1,
J 33837-3, and J 33837-4 (figure 17).
2. Bearing cup (39) into the case using J 33837-1,
J 33837-3, and J 33837-4 (figure 18).

ASSEMBLY OF AXLE

Figure 16— Installing the Differential Side Bearings
J 33790
Figure 17— Installing the Outer Pinion
Bearing Cup
Figure 18— Installing the Inner Pinion
Bearing Cup
F-01785