GMC 2003 Sierra - Manual (Page 503)

Part A: Scheduled Maintenance
Services
This part contains engine oii and chassis iuhrication
schecfuJed mainlenance wîirch eKpiains tha angina oil life
System and how it indiçates wh^n lo change The
engine ell and filter^ Lubhtate chassis components with
each oil charge. Also, lisled are scheduled rnaintenance
sen/tces which are
lo be performed at ihe mileage
intervals specified.
Using Your Maintenance Schedule
We al Genetal Matois want to help you keep your vehicle
in good working Condition. Bui we don't know evactly how
you'll drive it Vou may drive very short distances only a
tew times a week Or you may drive long distances all Ihe
lime in very hot, dusty weather. Vou may use your vehicle
in making cJeiiveries. Or you may drive il to work, to do
errands or in many other ways.
Becausg oi all the differenl ways people use (heir
vehicles, maintenance needs vary. You may need more
frequent checks and replacemenia. So please read
The following and note how you drive. If you have any
questions an how to keep your vehicle in good condition,
see your dealer.
This port iBlIs you the maintananoB services you should
have done end when you should schedule them.
When you go to youf dealer Гог your service needs,
you'll know Ihat QM-lralned and supported senrice
people will perform the wnd( using genuine GM parts.
The proper Iluids and lubricants lo use are listed In Part
Dr Make sure whoever services your vehicle uses
these. All pans should be raplaced and all necessary
repairs done before you or anyone else drives the
vehicle.
This schedule is for vehicles lhat:
* carry passengers and cargo within recommended
limits. You will find those limits on year vehicle's
Certificalion/TIre label. See
Loading Your Vehicte on
page 4-5^.
* are driven on reasonable road surfaces within legal
driving (imlts.
* are driven off-road In The recommended manner.
See Off‘Road Driving with Yoof Fwf'W heBi-Dhve
V^hioie an page 4-21.
* use the recommended fuel. See Gssoiine Octane
on page 5-5.
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