Chevrolet Silverado 4500HD/5500HD/6500HD Owner Manual (GMNA-
Localizing-U.S.-12102101) - 2019 - crc - 10/2/18
384
Service and Maintenance
Warning (Continued)
maintenance work only if the
required information, proper tools,
and equipment are available.
If they are not, see your dealer to
have a trained technician do the
work. See
.
{
Warning
To prevent property damage,
personal injury, or death when
servicing the vehicle, park on a
flat level surface, set the parking
brake, turn off the engine, and
install wheel chocks.
{
Danger
To prevent property damage,
personal injury, and/or death,
always disconnect the ground
(Continued)
Danger (Continued)
battery terminal first, then the
positive cable. When
reconnecting the battery cables,
connect the positive cables first,
and then reconnect the negative
cables. Failure to follow this
warning may result in a direct
battery short, which is a fire or
explosion hazard.
{
Warning
To prevent damage to electrical
components during electric
welding operations, follow these
cautions: Prior to electric welding,
disconnect any negative and
positive battery cables that
connect the batteries to the
vehicle. Be sure the detached
connectors are not touching the
vehicle. If welding close to an
electronic component, temporarily
(Continued)
Warning (Continued)
remove that component. Attach
the welder ground cable as close
as possible to the part being
welded.
When servicing your vehicle always:
.
Turn off the ignition, unless the
procedure calls for a running
engine.
.
Set the parking brake and install
wheel chocks.
.
Use support stands, not a jack,
whenever you must be under a
raised vehicle.
.
Do not smoke.
.
Wear safety glasses for eye
protection.
.
Operate engine only in a
well-ventilated area.
.
Do not work on brakes or clutch
unless proper precautions are
taken to prevent inhaling friction
material dust.
