GMC Acadia 2022 Owner's Manual page 322

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-MidEast-
15170043) - 2022 - CRC - 5/25/21
322 Service and Maintenance
more frequent intervals. For further
assistance in determining the most
suitable service maintenance intervals for
your vehicle, please contact your
authorized GM Dealer.
Additional Required Services
Service
Every 70 000 km
Change automatic transmission fluid.
Every 120 000 km
Change rear axle fluid, if equipped with
AWD. Do not directly power wash the
transfer case and/or front/rear axle
output seals. High pressure water can
overcome the seals and contaminate the
transfer case fluid. Contaminated fluid will
decrease the life of the transfer case and/
or axles and should be replaced.
Special Application Services
Severe Commercial Use Vehicles Only:
Lubricate chassis components every oil
change.
Have underbody flushing service
performed. See "Underbody Maintenance"
in Exterior Care 0 309.
Additional Maintenance
and Care
Your vehicle is an important investment and
caring for it properly may help to avoid
future costly repairs. To maintain vehicle
Severe
performance, additional maintenance
services may be required.
It is recommended that your dealer perform
these services their trained dealer
technicians know your vehicle best. Your
dealer can also perform a thorough
assessment with a multi-point inspection to
recommend when your vehicle may need
attention.
The following list is intended to explain the
services and conditions to look for that may
indicate services are required.
Battery
The 12-volt battery supplies power to start
the engine and operate any additional
electrical accessories.
To avoid break-down or failure to start
the vehicle, maintain a battery with full
cranking power.
Trained dealer technicians have the
diagnostic equipment to test the battery
and ensure that the connections and
cables are corrosion-free.
Belts
Belts may need replacing if they squeak
or show signs of cracking or splitting.
Trained dealer technicians have access to
tools and equipment to inspect the belts
and recommend adjustment or
replacement when necessary.
Brakes
Brakes stop the vehicle and are crucial to
safe driving.
Signs of brake wear may include chirping,
grinding, or squealing noises, or difficulty
stopping.
Trained dealer technicians have access to
tools and equipment to inspect the brakes
and recommend quality parts engineered
for the vehicle.
Fluids
Proper fluid levels and approved fluids
protect the vehicle s systems and
components. See Recommended Fluids and
Lubricants 0 325 for GM approved fluids.