Chevrolet Silverado 4500HD/5500HD/6500HD Owner Manual (GMNA-
Localizing-U.S.-12102101) - 2019 - crc - 10/2/18
Service and Maintenance
375
and make sure there are no
leaks or damage at the tank,
DEF lines, or coolant lines.
Right Side Under Vehicle
{
Warning
To prevent property damage,
personal injury, and/or death,
maintain adequate clearance
between all parts of the exhaust
system and all hoses, wires, and
lines for engine cooling, brake
system, fuel system, power
(Continued)
Warning (Continued)
steering system, and electrical
system. Heat damage to hoses,
wires, or lines may cause vehicle
malfunction.
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.
