Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13337620) - 2020 - CTC - 1/27/20
438
Service and Maintenance
Air Conditioning Desiccant
(Replace Every Seven Years)
The air conditioning system requires
maintenance every seven years.
This service requires replacement of
the desiccant to help the longevity
and efficient operation of the air
conditioning system. This service
can be complex. See your dealer.
Tire Rotation and Required
Services Every 12 000 km/
7,500 mi
Rotate the tires, if recommended for
the vehicle, and perform the
following services. See
.
Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See
and
.
If equipped with the engine air
filter life system, check the air
filter life percentage.
If necessary, replace the engine
air filter and reset the engine air
filter life system. See
. If the
vehicle is not equipped with the
engine air filter life system,
inspect the engine air cleaner
filter. See
.
.
Check engine coolant level. See
.
.
Check windshield washer fluid
level. See
.
.
Check tire inflation pressures,
including the spare. See
.
.
Inspect tire wear. See
.
Visually check for fluid leaks.
.
Inspect brake system. See
.
.
Visually inspect steering,
suspension, and chassis
components for damage,
including cracks or tears in the
rubber boots, loose or missing
parts, or signs of wear at least
once a year. See
. If equipped with grease
fittings, lubricate the suspension
and steering components every
other oil change for normal
usage and every oil change for
severe usage.
.
Inspect power steering for
proper attachment, connections,
binding, leaks, cracks,
chafing, etc.
.
Visually inspect drive shafts for
excessive wear, lubricant leaks
or damage including: tube dents,
cracks, constant velocity joint or
universal joint looseness,
cracked or missing boots, loose
or missing boot clamps, center
bearing excessive looseness,
missing or loose fasteners.
.
Check restraint system
components. See
.
.
Visually inspect fuel system for
damage or leaks.
.
Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
.
Lubricate body components. See