Chevrolet Silverado 4500HD 2022 Owner's Manual page 345

1. Frame: Check for cracks or bends in the
frame. Make sure there are no loose,
cracked, bent, broken or missing
crossmembers, or crossmember fasteners.
2. Transmission: Inspect for leaks.
3. Drive Shaft: Ensure that all the shaft
couplings are secure.
4. Exhaust System: Check to see that all
the component parts are securely
mounted and no cracks, holes, or severe
dents are visible. Evidence of soot build
up around the clamps or connections is a
clear indicator of a leak being present.
Ensure that all the hoses, wires, and air
lines are secured away from exhaust
components.
Check the electrical wiring for proper
security, damage, and chafing.
Additional Under Chassis Inspection for 4x4
Models
1. Transfer Case: Inspect for fluid levels,
leaks, and/or any signs of external
damage.
2. Front Drive Axle: Inspect for fluid levels,
leaks, and/or any signs of external
damage.
Service and Maintenance
Right Side Rear of Vehicle
Warning
To prevent property damage, personal
injury, and/or death, if wheels or tires
must be changed, obtain expert tire
service help. Mounting and demounting
of tires should only be performed by
qualified personnel using necessary safety
procedures and equipment.
1. Spring Suspension: Check condition of
the spring for cracks, breaks, or shifting.
Inspect the spring hanger fasteners,
shackles, U-bolts, and nuts for wear,
damage, and tightness.
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