fuel CHEVROLET KODIAK 2009 Owner's Guide

Very Cold Weather Operation
Follow the instructions listed previously under the
heading “What Fuel to Use.”
Notice:Never use home heating oil or gasoline in
your vehicle’s diesel engine. They can cause
engine damage.
In cold weather, the fuel filter could become clogged
(waxed). To unclog it, move the vehicle to a warm
garage area and warm the filter to between 32°F and
50°F (0°C to 10°C). You will not need to replace it.
Additional information on the fuel filter follows.
Water in Fuel
{CAUTION:
Diesel fuel containing water is still flammable. You
could be burned. If you ever try to drain water
from the fuel, keep sparks, flames, and smoking
materials away from the mixture.Notice:If there is water in the diesel fuel and the
weather is warm or humid, fungus and bacteria can
grow in the fuel. They can damage the fuel system.
A diesel fuel biocide can be used to sterilize the
fuel system. However, the fuel system may still need
to be cleaned. Your dealer/retailer can advise you
of the appropriate solution.
If the fuel tank needs to be purged to remove water,
see your dealer/retailer or a qualified technician.
Improper purging can damage the fuel system.
Sometimes, water can be pumped into the fuel tank
along with the diesel fuel. This can happen if a service
station does not regularly inspect and clean its fuel
tanks, or if it gets contaminated fuel from its suppliers.
If this happens, the
water-in-fuel light, if
equipped, will come on in
the instrument panel. If it
does, the water must be
drained. Your dealer/
retailer can show you
how to do this.
If the light comes on, use this chart to determine what
action to take.
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Water In Fuel Light
Problem Recommended Action
Light comes on
intermittently.Drain water from the fuel
filter.
Light stays on at
temperatures above
freezing.Drain the fuel filter
immediately. If no water
can be drained and the
light stays on, see your
dealer/retailer for
assistance.
Light stays on at
temperatures below
freezing.Drain the fuel filter
immediately. If no water
can be drained, water
may be frozen in the
water drain system, or in
the fuel lines. Move the
vehicle to a warm location
to thaw out, and then
drain the filter system.
Light stays on
immediately after
refueling, and a large
amount of water was
possibly pumped into the
fuel tank.Fuel tank purging is
required. See your
dealer/retailer for
assistance.Notice:Driving when this warning indicator is on,
can damage the fuel injection system and the engine.
If the indicator comes on right after a refuel, it means
water was pumped into the fuel tank. Turn off the
engine immediately. Then, have the water drained
at once.
To drain water, do the following:
1. Stop and park the vehicle in a safe place. Turn off
the engine and apply the parking brake.
2. Remove the fuel cap.
3. Place a fuel-resistant container under the fuel filter.
The filter drain valve is located on the bottom of the
fuel filter.
If the vehicle has the 6.6L engine, the fuel filter is
located in the engine compartment on the driver side
of the vehicle. If the vehicle has either the 7.2L or
7.8L engine, the fuel filters are located in the engine
compartment on the driver side of the vehicle, and on
the driver side frame rail in front of the fuel tank.
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4. Open the drain valve
by turning two to three
turns. When fuel
empties from the valve,
all the water has
been drained. Close
the valve hand-tight.
5. Remove the fuel-resistant container and properly
dispose of the contaminated fuel. To find out how to
properly dispose of contaminated diesel fuel, see
Engine Oil (DURAMAX Diesel Engine) on page 5-24
orEngine Oil (Caterpillar Diesel Engine) on
page 5-27orEngine Oil (Isuzu Diesel Engine) on
page 5-28orEngine Oil (Gasoline Engine) on
page 5-32.6. Install the fuel cap.
7. Start the engine and let it run for a few minutes.
If the engine stalls, the fuel system may need to
be primed. While draining the water from the
fuel filter, air may enter the fuel system. If air has
entered the fuel system, the fuel system will need
to be primed.
If the water-in-fuel light comes on again after driving a
short distance or the engine runs rough or stalls, a large
amount of water has probably been pumped into the
fuel tank. The fuel tank should be purged.
Fuel Priming
If the vehicle has a Caterpillar®diesel engine, see the
Caterpillar®Diesel Engine Operation and Maintenance
Manual provided with the vehicle.
If the vehicle has a DURAMAX
®diesel engine, in order
for the fuel system to work properly, the fuel lines
must be full of fuel and contain no air. If air gets into the
fuel lines, it will be necessary to prime the fuel lines
to eliminate air before operating the vehicle.
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Air can get into the fuel lines if any of the following
happen:
•The vehicle runs out of fuel.
•The fuel filter is removed for servicing or
replacement.
•The fuel lines are removed or disconnected for
servicing.
•The fuel filter water drain valve is opened while the
engine is running.
If one or more of the above occurred, it is very likely
that air has entered the fuel system and the fuel system
needs to be primed before operating the vehicle.
Air in the fuel lines will not harm the engine or the
vehicle. However, the engine may not be able to start
until the fuel system is primed and the air is removed.
Priming the 6.6L Duramax®Diesel Engine
If the vehicle is equipped with the 6.6L Duramax®diesel
engine, it has a priming pump which is part of the engine
mounted fuel filter. The vent valve and the fuel filter
primer pump are located on top of the fuel filter housing.
The priming pump is hand operated and is designed to
bring fuel to the engine to eliminate any air in the fuel
lines.
To prime the 6.6L Duramax
®diesel engine, do the
following:
1. Make sure there is fuel in the tank.
2. Make sure the fuel filter had been installed and
properly tightened.
3. Make sure the fuel lines are properly connected
and the fuel filter is cool enough to touch.
4. Remove any dirt from the fuel filter head and vent
valve by wiping with a cloth.
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5. Open the fuel filter vent
valve by turning the
screw counterclockwise
several full turns.
6. Repeatedly push down
on the fuel filter primer
pump with the palm of
your hand. Let the
pump return upward
between pushes.7. Operate the priming pump until a small amount of
fuel seeps from the vent valve. When fuel is seen,
the filter is full of fuel and the system should be
primed.
8. Close the vent valve.
9. Clean any fuel that accumulated on the fuel filter.
10. Start the engine and let it idle for a few minutes.
11. Check the filter for leaks.
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Priming the 7.8L Duramax®Diesel Engine
If the vehicle is equipped with the 7.8L Duramax®diesel
engine, use the following procedure to prime the engine:
1. Make sure there is fuel in the fuel tank.
2. Make sure the specified fuel filter is properly
installed.
3. Make sure the fuel lines are securely connected.4. Make sure the fuel filter is cool to the touch.
5. Use a clean cloth to remove dirt and oil from the
fuel filter head and breather valve.
6. Use the palm of your hand to repeatedly press
and release the plunger at the top of the fuel filter
priming pump. Continue until the plunger resistance
becomes firm. This may take from 20 to 100 times,
depending upon fuel tank location.
7. Turn the fuel filter breather valve screw
counterclockwise several turns to open the
breather valve.
8. Use the palm of your hand to repeatedly press and
release the plunger at the top of the fuel filter
priming pump until fuel begins to seep from the
breather valve.
9. Tighten the fuel filter breather screw to the specified
torque, 4.9Y(43 lbs. in.).
10. Use the palm of your hand to press and release the
plunger at the top of the fuel filter priming pump
about 20 more times. This sends fuel to the engine.
11. Use a clean cloth to remove any fuel from the fuel
filter and surrounding area.
12. Start the engine and allow it to idle for a few
minutes.
13. Check the fuel filter for leakage.
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Running Out of Fuel
If the diesel engine stalls and you think that you have
run out of fuel, do this to restart the engine:
{CAUTION:
Diesel fuel is flammable. It could start a fire if it
gets on hot engine parts. You could be burned. Do
not let too much fuel flow from the air bleed valve,
and wipe up any spilled fuel with a cloth.
1. If parked on a level surface, add at least 2 gallons
(7.6 liters) of fuel. However, if parked on a slope, up
to 5 gallons (18.9 liters) of fuel might need to be
added.2. Follow the fuel priming procedure earlier in this
section to prime the fuel filter.
3. Close the air bleed valve.
4. Turn the ignition key to START for 10 to 15 seconds
at a time until the engine starts. If the engine tries
to run, but does not run smoothly, increase the rpm
a little using the accelerator pedal. This will help
force air through the system.
The service engine soon light may come on if the
vehicle has run out of fuel. This light may stay on for a
few drive cycles after the condition is corrected, but
will eventually clear itself.
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Fuel Filter Replacement
If you want to change the diesel engine fuel filter
yourself, here is how to do it:
{CAUTION:
Diesel fuel is flammable. It could start a fire if
something ignites it, and you could be burned.
Do not let it get on hot engine parts, and keep
matches or other ignition sources away.
First, drain any water from the filter by following the
water draining procedure earlier in this section.
The vehicle’s engine should be off until the end of this
procedure.If the vehicle has the 6.6L engine, the fuel filter is located
in the engine compartment on the driver side of the
vehicle. If the vehicle has either the 7.2L or 7.8L engine,
the fuel filters are located in the engine compartment
on the driver side of the vehicle, and on the driver side
frame rail in front of the fuel tank.
1. Apply the parking brake.
2. Unplug the water
sensor wire connected
to the fuel filter and
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 sensor float switch located on the bottom of
the fuel filter.
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4. Install the new filter element.
5. Reinstall and tighten the filter container and
reconnect the water sensor wire to the filter.
6. Use the fuel filter priming procedure earlier in this
section to prime the fuel filter.
7. Tighten the air bleed valve by turning it clockwise
until hand-tight.
8. Start the engine and let it idle for five minutes.
Check the fuel filter and air bleed valve for leaks.
How to Reset Fuel Filter Change
Light - DURAMAX 6.6L (LMM) Engine
The engine controller calculates when to change the fuel
filter based on vehicle and fuel use. Whenever the
fuel filter is changed, reset the fuel filter light so
the engine controller can calculate when the next fuel
filter change is required. If the fuel filter is ever changed
prior to a change fuel filter light being turned on,
reset the fuel filter change light.To reset the Fuel Filter Change light:
1. Turn the ignition key to ON/RUN with the engine off
2. Fully press the accelerator and brake pedals at the
same time for 10 seconds. If the Fuel Filter Change
light flashes for 5 seconds, the system is resetting.
3. Turn the key to OFF.
If the Fuel Filter Change light comes back on when you
start the vehicle, the light has not been reset. Repeat
the procedure. SeeChange Fuel Filter Warning Light on
page 3-45for more information.
Fuels in Foreign Countries
If you plan on driving in another country outside the
United States or Canada, the proper fuel might be hard
to find. Never use leaded gasoline or any other fuel
not recommended in the previous text on fuel. Costly
repairs caused by use of improper fuel would not
be covered by the vehicle warranty.
To check the fuel availability, ask an auto club, or
contact a major oil company that does business in the
country where you will be driving.
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Filling the Tank
{CAUTION:
Fuel vapor is highly flammable. It burns violently,
and that can cause very bad injuries. Do not
smoke if you are near fuel or refueling the vehicle.
Keep sparks, flames and smoking materials away
from fuel.
The fuel cap can be on either or both sides of the
vehicle depending on option content.
To take off the cap, turn it slowly counterclockwise. Fuel caps for all
gasoline applications,
and all diesel between
frame rail fuel tank
applications
Fuel caps for all side
mounted diesel
applications
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