Figure 8-11.Leaf springs.
Figure 8-12.Multileaf spring.
through the bushings may be plain or threaded.
Threaded bushings and pins offer a greater bearing
surface and are equipped with lubrication fittings.
Leaf springs are used on the front and rear of
heavy-duty trucks and the rear of passenger vehicles
and light trucks. Trucks that carry a wide variety of
loads use an auxiliary or overload spring. This
auxiliary spring (fig. 8-13) may be mounted on top of
the rear springs and clamped together with long
U-bolts, or it may be located under the axle separate