Front Wheel Hubs
Often the front wheel hub bearing assembly for driven
and nondriven wheels is actually two tapered bearings
(Figure 42-21) facing each other. Each of the bearings
rides in its own race. Some front wheel bearings are
sealed units and are lubricated for life. They are replaced
and serviced as an assembly. Others are serviceable and
require periodic lubrication and adjustment.
Except when making slight adjustments to the bearings,
the bearing assembly must be removed for all service
work. This is done with the vehicle on lifts and the