GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
Service and Maintenance
433
.
Inspect tire wear. See
.
.
Visually check for fluid leaks.
.
Inspect engine air cleaner filter.
See
.
.
Inspect brake system. See
.
.
Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of wear
at least once a year. See
. Lubricate
the suspension and steering
components at least every other
oil change. (If equipped with
grease fittings)
.
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
.
.
Check starter switch. See
.
Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check
.
Check ignition transmission lock.
See
.
.
Check parking brake and
automatic transmission park
mechanism. See
.
Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
.
Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. If the hold
open ability is low, service the
gas strut. See
.
Inspect sunroof track and seal,
if equipped. See
.
.
Verify spare tire key lock
operation and lubricate as
needed. See
.