7-4
Part A: Scheduled
Maintenance Services
Using Your Maintenance Schedule
We at General Motors want to help you keep your
vehicle in good working condition. But we don’t know
exactly how you’ll drive it. You may drive very short
distances only a few times a week. Or you may drive
long distances all the time in very hot, dusty weather.
You may use your vehicle in making deliveries or in
many other ways.
Because of all the different ways people use their
vehicles, maintenance needs vary. You may need more
frequent checks and replacements. So please read the
following and note how you drive. If you have any
questions on how to keep your vehicle in good
condition, see your dealer.
This part tells you the maintenance services you should
have done and when you should schedule them. If you
go to your dealer for your service needs, you’ll know
that GM
-trained and supported service people will
perform the work using genuine GM parts.
The proper fluids and lubricants to use are listed in
Part C. Make sure whoever services your vehicle uses
these. All parts should be replaced and all necessary
repairs done before you or anyone else drives
the vehicle.
This schedule is for vehicles that:
D
carry passengers and cargo within recommended
limits. You will find these limits on your vehicle’s
Certification/Tire label. See “Loading Your Vehicle”
in the Index.
D
are driven on reasonable road surfaces within legal
driving limits.
D
use the recommended fuel. See “Fuel” in the Index.
Scheduled Maintenance Supplements
If your vehicle has a Caterpillar
R
diesel engine, your
GM owner’s manual is supplemented by the
Caterpillar
R
Diesel Engine Operation & Maintenance
Manual. If your vehicle has an Allison transmission,
your GM owner’s manual is supplemented by an Allison
Transmission Operator’s Manual. Always refer to these
manuals for related maintenance services.
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