Chevrolet Light Duty Truck 1973 Service Manual page 218

3 -4 4 FRONT SU SPEN SION
4. Remove the wheel bearing outer lock nut, lock ring,
and wheel bearing inner adjusting nut using Tool
J-6893 and Adapter J-23446 or tool J-6893-01. (See
fig. 58).
5. Remove the disc assembly, outer wheel bearing and
the spring retainer plate.
NOTE: If the disc or other brake components
require repairs or replacement, refer to
Section 5.
Disassemble Wheel Hub Components (Fig. 57)
a. Remove the oil seal and inner bearing cone
from the hub using a brass drift and tapping
with a hammer. Discard the oil seal.
b. Remove the inner and outer bearing cups using
a brass drift and hammer.
. Remove the spindle retaining bolts
6
7. Remove the spindle and bronze thrust washer by
tapping the end of the spindle lightly with a soft
hammer to break it loose from the knuckle as
shown in Figure 59. Discard the thrust washer if
any wear has occured.
Disassemble Spindle Components:
a. Secure the spindle in a vise by locating on the
high step diameter. Be sure that the machined
surface of the spindle will not be damaged by
the vise jaws.
b. Remove the oil seal.
c. Remove the needle roller bearing.
. Remove the axle shaft and joint assembly.
8
Repair The Axle Joint Components:
a. Remove the lock rings after removing pressure
from the trunnion bearings by squeezing the
ends of the bearing in a vise.
b. Support the shaft yoke in a bench vise or on a
short length of pipe.
c. Using a brass drift and a soft hammer, drive on
end of one trunnion bearing just far enough to
drive opposite bearing from yoke.
d. Support the other side of the yoke in the vise
and drive the other bearing out by tapping on
the end of the trunnion using a brass drift.
e. Remove trunnion.
f. Clean and inspect bearings. Lubricate with a
high melting point type wheel bearing grease.
g. Replace trunnion and press new or relubricated
bearings into yoke and over trunnion hubs far
enough to install lock rings.
h. Hold trunnion in one hand and tap yoke lightly
to seat bearings against lock rings.
9. Remove axle slingers by placing into a vise and
tapping off as shown in Figure 59 or using a press.
NOTE: If spindle seals will be replaced, also
replace the axle shaft slingers.
Fig. 57—Removing Bearing Cups
LIGHT DUTY TRUCK SERVICE MANUAL