CDL pre-trip - suspension system

Undercarriage - Suspension system
Click on any photo to enlarge

Proper CDL pre-trip means good troubleshooting:
PART and PROBLEM.

Frame -- damage, cracks, rust
Hangers -- cracks, loose nuts
Small clamps - loose, missing



Leaf springs -- shifted, cracked, missing, rust
U-bolt -- cracked, missing
U-bolt nuts -- loose, missing
Axle -- damaged, shifted, cracked, rust



Shackle -- cracks, damage
Not visible: Torque arm -- cracks, damage



Shock absorber -- leaks, loose nuts, rust



Air bag systems:
Air bag -- leaks
Control arm -- damage, cracks