Service and maintenance 11-5 – GMC 2011 Sierra User Manual
Page 545

Black plate (5,1)
GMC Sierra Owner Manual - 2011
Service and Maintenance
11-5
Additional Required Services
At the First 160 km/100 Miles,
1 600 km/1,000 Miles, and
10 000 km/6,000 Miles
.
For vehicles with dual
wheels: Check dual wheel
nut torque. For proper
torque, see Capacities and
Specifications on page 12‑2.
Every 12 000 km/7,500 Miles
.
Rotate tires. Tires should
be rotated every 12 000 km/
7,500 miles. See Tire Rotation
on page 10‑73.
At Each Fuel Stop
.
Engine oil level check.
See Engine Oil on page 10‑7.
.
Engine coolant level check.
See Engine Coolant on
page 10‑22.
.
Windshield washer fluid level
check. See Washer Fluid on
page 10‑29.
Once a Month
.
Tire inflation pressures
check. See Tire Pressure on
page 10‑66.
.
Tire wear inspection. See Tire
Inspection on page 10‑73.
.
Sunroof track and seal
inspection, if equipped.
See Sunroof (Extended Cab) on
page 2‑21 or Sunroof (Crew
Cab) on page 2‑22.
Once a Year
.
See Starter Switch Check on
page 10‑39.
.
See Automatic Transmission
Shift Lock Control Function
Check on page 10‑40.
.
See Ignition Transmission Lock
Check on page 10‑40.
.
See Park Brake and P (Park)
Mechanism Check on
page 10‑40.
.
Accelerator pedal check for
damage, high effort, or binding.
Replace if needed.
.
Underbody flushing service.
.
Hood/Decklid/Liftgate/Liftglass
Support Gas Strut Service:
Visually inspect gas strut,
if equipped, for signs of wear,
cracks, or other damage. Check
the hold open ability of the gas
strut. Contact your dealer if
service is required.