Black plate (35,1)
DURAMAX Diesel Engine (LML/LGH) - 2011
Driving and Operating
9-35
6. Follow the vehicle fuel system
priming procedure earlier in this
section to re
‐
prime the system.
7. Start the engine and let it idle for
five minutes.
Secondary Filter (B)
1. Apply the parking brake.
2. Unscrew the filter element.
3. Remove the filter element.
If there is any dirt on the filter
sealing surface, clean it off.
Remove and reuse the water
drain valve located at the bottom
of the fuel filter.
4. Install and tighten the new filter
element.
5. Follow the vehicle fuel system
priming procedure earlier in this
section to re
‐
prime the system.
6. Start the vehicle and let it idle for
5 minutes.
Filling the Tank
{
WARNING
Fuel vapor burns violently and a
fuel fire can cause bad injuries.
To help avoid injuries to you and
others, read and follow all the
instructions on the fuel pump
island. Turn off the engine when
refueling. Do not smoke near fuel
or when refueling the vehicle.
Do not use cellular phones.
Keep sparks, flames, and
smoking materials away from fuel.
Do not leave the fuel pump
unattended when refueling the
vehicle. This is against the law in
some places. Do not re-enter the
vehicle while pumping fuel. Keep
children away from the fuel pump;
never let children pump fuel.
Van Shown, Pickup Similar
The green fuel cap is located behind
a hinged door on the driver side of
the vehicle. On van models, the
blue diesel exhaust fluid cap is also
behind the fuel door. Do not remove
both caps at the same time.
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