Service And Maintenance - GMC 2011 Sierra Denali Owner's Manual

If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 miles since
the last service. Reset the oil life
system whenever the oil is changed.
See Engine Oil Life System on
page 10 9.
Every Engine Oil Change
Change engine oil and filter.
Reset oil life system. See
Engine Oil on page 10 7 and
Engine Oil Life System on
page 10 9. An Emission Control
Service.
Engine coolant level check.
See Engine Coolant on
page 10 16.
Engine cooling system
inspection. Visual inspection of
hoses, pipes, fittings, and
clamps and replacement,
if needed.
Windshield washer fluid level
check. See Washer Fluid on
page 10 24.
Windshield wiper blade
inspection for wear, cracking,
or contamination and windshield
and wiper blade cleaning,
if contaminated. See Exterior
Care on page 10 93. Worn
or damaged wiper blade
replacement. See Wiper Blade
Replacement on page 10 30.
Tire inflation pressures check.
See Tire Pressure on
page 10 54.
Tire wear inspection. See Tire
Inspection on page 10 61.
Rotate tires if necessary. See
Tire Rotation on page 10 62.

Service and Maintenance

Fluids visual leak check
(or every 12 months, whichever
occurs first). A leak in any
system must be repaired and the
fluid level checked.
Engine air cleaner filter
inspection. See Engine Air
Cleaner/Filter on page 10 14.
Brake system inspection
(or every 12 months, whichever
occurs first).
Steering and suspension
inspection. Visual inspection
for damaged, loose, or missing
parts or signs of wear.
Lubricate the front suspension,
steering linkage, and parking
brake cable guides. Control arm
ball joints are maintenance free.
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