GMC Savana 2020 Owner's Manual page 308

Inspect brake system. See
Exterior Care 0 295.
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 Exterior Care
0 295.
Inspect power steering for
proper attachment, connections,
binding, leaks, cracks,
chafing, etc.
Visually inspect halfshafts and
drive shafts for excessive wear,
lubricant leaks, and/or damage
including: tube dents or cracks,
constant velocity joint or
universal joint looseness,
cracked or missing boots, loose
or missing boot clamps, center
bearing excessive looseness,
loose or missing fasteners, and
axle seal leaks.
Check restraint system
components. See Safety System
Check 0 42.
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
Exterior Care 0 295.
Check starter switch. See Starter
Switch Check 0 243.
Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check
0 244.
Check ignition transmission lock.
See Ignition Transmission Lock
Check 0 244.
Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check
0 244.
Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
Service and Maintenance
Lubricate the steering linkage
(greasable joints). See Normal
and Severe Maintenance
Schedules. For severe
commercial use vehicles, see
Special Application Services
0 311.
Visually inspect the spare tire to
ensure that it is tightly stowed
under the vehicle. Push, pull,
and try to turn the tire. If the
spare tire moves, tighten as
necessary. See Tire Changing
0 278.
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