GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-15170041) - 2022 - CRC - 10/6/21
Service and Maintenance 349
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.
SeeTire Rotation 0313.
.Check engine oil level and oil
life percentage. If needed, change engine
oil and filter, and reset oil life system.
See Engine Oil 0275 and
Engine Oil Life System 0277.
.Check the air filter life percentage.
If necessary, replace the engine air filter
and reset the engine air filter life system.
See Engine Air Filter Life System 0278.
.Check engine coolant level. See Cooling
System 0280.
.Check windshield washer fluid level. See
Washer Fluid 0285.
.Check tire inflation pressures. See Tire
Pressure 0307.
.Inspect tire wear. See Tire Inspection
0 313.
.Visually check for fluid leaks.
.Inspect brake system. See Exterior Care
0 338.
.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 Care0338.
.Inspect power steering for proper
electrical connections, binding, cracks,
chafing, etc.
.Visually inspect halfshafts and driveshafts
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 054.
.Visually inspect the fuel system, including
the evaporative (EVAP) system, for
damage or leaks. Visually check all fuel pipes, vapor lines, and hoses for proper
attachment, connection, routing, and
condition.
.Visually inspect exhaust system and
nearby heat shields for loose or damaged
parts.
.Lubricate body components. See
Exterior
Care 0338.
.Check parking brake and automatic
transmission park mechanism. See Park
Brake and P (Park) Mechanism Check
0 288.
.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 Gas Strut(s) 0289.
.Check tire sealant expiration date,
if equipped. See Tire Sealant and
Compressor Kit 0321.
.Inspect sunroof track and seal,
if equipped. See Sunroof033.
