Chevrolet Light Duty Truck 1973 Service Manual page 257

Fig. 72—Removing Hub Outer Bearing
obtained, and that the adjustment will not
loosen during vehicle operation.
5. To install bearing, use J-8093 with Handle
inner
J-8092 to drive cup into hub bore, as shown in
figure 73.
. Install new oil seal, using J-22354 as shown in figure
6
74.
Drum—Non-Demountable-Type—Fig. 66
Replacement
Construction of the nondemountable-type hub and drum
Fig. 73—Installing Hub Inner Bearing Cup
REAR S U S PEN SIO N A N D DRIVELINE
Fig. 74—Installing Hub Oil Seal
assembly is such that replacement cannot be accom­
plished with the hub assembly installed on the vehicle.
1. Separate the drum and hub by removing the drum-
to-hub retaining bolts, hub stud nuts, or by pressing
out the wheel studs, as applicable.
2. Position brake drum to hub assembly, making
certain that all drain holes are in alignment.
3. Apply a light, even coating of sealing compound to
the hub oil deflector contact surface, and position
deflector to drum.
4. Install drum-to-hub retaining bolts, hub stud nuts,
or press wheel studs into drum, as applicable.
Drum—Demountable-Type—Fig. 67
Replacement
The demountable-type drum may be separated from the
hub and removed from the vehicle without disturbing
the axle shaft and hub. The drum is held to the hub by
countersuck, slotted screws, which are easily removed
with a screw driver.
Wheel Bolt
Replacement
Wheel bolts are serrated and may also be swaged in
place; however, replacement procedure remains the same
for both types of installation.
Press bolts out of hub flange and press new bolts into
place, making sure they are a tight fit. If all bolts are
removed, be sure that hub oil deflector is in position
under bolt heads. See figure 75.
4 -3 3
LIGHT DUTY TRUCK SERVICE MANUAL