Black plate (5,1)
DURAMAX Diesel Engine (LML/LGH) - 2011
Service and Maintenance
11-5
properly seated and the cover
fits tightly. Tighten connections
and fasteners or replace
damaged parts as necessary.
This is a Noise Emission Control
Service. Applicable to vehicles
sold in the United States and
recommended for vehicles sold
in Canada.
.
Fuel filter service.
An Emission
Control Service.
This vehicle has a CHANGE
FUEL FILTER message in the
Driver Information Center (DIC)
to tell you when to replace the
fuel filter. See
Fuel System
Messages on page 5
‑
12
.
Change the fuel filter a minimum
of once every two years.
The PERCENT FUEL FILTER
LIFE REMAINING message
may be used to decide if the
filter should be changed during
routine vehicle service.
Additional Required Services
At the First 160 km/100 Miles,
1 600 km/1,000 Miles, and
10 000 km/6,000 Miles
.
For pickups with dual wheels:
Check dual wheel nut torque.
For proper torque, see
“
Capacities and Specifications
”
in the owner manual.
Every 12 000 km/7,500 Miles
.
Rotate tires. Tires should be
rotated every 12 000 km/
7,500 miles. See
“
Tire Rotation
”
in the owner manual.
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
”
in the
owner manual.
Once a Month
.
Tire inflation pressures check.
See
“
Tire Pressure
”
in the owner
manual.
.
Tire wear inspection. See
“
Tire
Inspection
”
in the owner manual.
.
Sunroof track and seal
inspection, if equipped. See
“
Sunroof
”
in the owner manual.
Once a Year
.
See
“
Starter Switch Check
”
in
the owner manual.
.
See
“
Automatic Transmission
Shift Lock Control Function
Check
”
in the owner manual.
.
See
“
Ignition Transmission Lock
Check
”
in the owner manual.
.
See
“
Park Brake and P (Park)
Mechanism Check
”
in the owner
manual.
.
Accelerator pedal check for
damage, high effort, or binding.
Replace if needed.
.
Underbody flushing service.
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