GMC Sierra Denali 2500HD 2014 Owner's Manual page 409

GMC Sierra Denali 2500HD and 3500HD (GMNA-Localizing-U.S./Canada-
7142957) - 2014 - CRC 1st Edition - 3/28/13
Maintenance
Schedule
Owner Checks and Services
At Each Fuel Stop
Check the engine oil level. See
Engine Oil on page 10-6.
Once a Month
Check the tire inflation
pressures. See Tire Pressure on
page 10-50.
Inspect the tires for wear. See
Tire Inspection on page 10-56.
Check the windshield washer
fluid level. See Washer Fluid on
page 10-21.
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km/600 mi. If driven
under the best conditions, the
engine oil life system might not
indicate the need for vehicle service
for more than a year. The engine oil
and filter must be changed at least
once a year and the oil life system
must be reset. Your trained dealer
technician can perform this work.
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 mi since the
last service. Reset the oil life
system when the oil is changed.
See Engine Oil Life System on
page 10-9.
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. See Tire
Rotation on page 10-56.
Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil on page 10-6 and Engine Oil
Life System on page 10-9.
Black plate (3,1)
Service and Maintenance
Check engine coolant level. See
Engine Coolant on page 10-15.
Check windshield washer fluid
level. See Washer Fluid on
page 10-21.
Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care on page 10-85. Replace
worn or damaged wiper blades.
See Wiper Blade Replacement
on page 10-28.
Check tire inflation pressures.
See Tire Pressure on
page 10-50.
Inspect tire wear. See Tire
Inspection on page 10-56.
Visually check for fluid leaks.
Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter on
page 10-13.
Inspect brake system.
Visually inspect steering,
suspension, and chassis
components for damaged, loose,
11-3