Suspension Systems Defects.
The suspension system holds up the vehicle and its load. Broken
suspension parts can be extremely dangerous.
You should check for
Spring hangers (Figure 2-2) that allow
movement of axle from proper position
Cracked or broken spring hangers.
Missing or broken leaves in any leaf spring.
If one fourth or more are missing it will put the vehicle out of
service but any defect could be dangerous (Figure 2-3).
Broken leaves in a multi-leaf spring or
leaves that have shifted so they might hit a tire or other part.
Leaking shock absorbers (Figure 2-4).
Deflated or leaking air bags, other components
not rubbing or touching the bags (Figure 2-4).
Torque rod or arm, U-bolts, spring hangers
or other axle positioning parts that are cracked, damaged, or missing
(Figures 2-2, 2-4).
Air suspension systems that are damaged
Any loose, cracked, broken or missing frame
Figure 2-3 Safety Defect: Broken Leaf in Leaf Spring