GMC Hummer EV 2023 Owner's Manual page 332

GMC Hummer EV Owner Manual (GMNA-Localizing-MidEast-16569278) -
2023 - CRC - 1/25/23
332 Service and Maintenance
Are driven on reasonable road surfaces
within legal driving limits.
Warning
Performing maintenance work can be
dangerous and can cause serious injury.
Perform 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 Doing Your
Own Service Work 0 272.
Maintenance Schedule
Owner Checks and Services
Once a Month
Check the tire inflation pressures. See Tire
Pressure 0 294.
Inspect the tires for wear. See Tire
Inspection 0 300.
Check the windshield washer fluid level.
See Washer Fluid 0 277.
Every Two Years
Replace brake fluid. See Brake Fluid 0 278.
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 10,000 km
Rotate the tires, if recommended for the
vehicle, and perform the following services.
See Tire Rotation 0 301.
Check vehicle coolant level.
Check windshield washer fluid level. See
Washer Fluid 0 277.
Visually inspect windshield wiper blades
for wear, cracking, or contamination. See
Exterior Care 0 322. Replace worn or
damaged wiper blades. See Wiper Blade
Replacement 0 281.
Check tire inflation pressures. See Tire
Pressure 0 294.
Inspect tire wear. See Tire Inspection
0 300.
Visually check for fluid leaks.
Inspect brake system. See Exterior Care
0 322.
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 0 322.
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 51.
Lubricate body components. See Exterior
Care 0 322.
Check accelerator pedal for damage, high
effort, or binding. Replace if needed.