mileage FORD EXPEDITION 1997 1.G Owners Manual

10. On vehicles equipped with air
suspension, turn ON the air
suspension switch.
11. Retighten the wheel lug nuts to
the specified torque at 800 km
(500 miles) of new vehicle
operation, after any wheel change
or any time the lug nuts are
loosened.
Failure to retighten wheel
lug nuts at mileages
specified could allow wheels to
come off while the vehicle is in
motion.
JUMP STARTING YOUR
BATTERY
Jump starting your vehicle
The gases around the
battery can explode if
exposed to flames, sparks, or lit
cigarettes. An explosion could
result in injury or vehicle
damage.
Do not push-start your
vehicle. You could damage
the catalytic converter. For
further information, seeJumper
Cablesin the Index.
Batteries contain sulfuric
acid which burns skin,
eyes, and clothing.
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151

Changing the engine oil and
filter
Change your engine oil and filter
according to the following
kilometers (mileage) and time
requirements, whichever occurs
first:
²Normal Schedule ± 8,000 km
(5,000 miles) or six months.
²Severe Duty Schedule ± 5,000
km (3,000 miles) or three
months. Severe duty operation
would include extensive idling,
trailer towing, driving in severe
dust and police, taxi or delivery
service.
Ford production and aftermarket
(Motorcraft) oil filters are designed
for added engine protection and
long life. If a replacement oil filter
is used that does not meet Ford
material and design specifications,
startup engine noises or knock
may be experienced.
It is recommended you use the
appropriate Motorcraft oil filter (or
another brand meeting Ford
specifications) for your engine
application.
Checking and adding brake
fluid
Brake fluid should be checked and
refilled as needed at least once
each year:
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Maintenance and care
162

3. After at least three to five fuel
tank fill-ups, fill the fuel tank and
record the current mileage
reading.
4. Use one of the following
equations to calculate fuel
economy.
Liters used x 1004Total
kilometers traveled
Total miles traveled4Total
gallons used
Keep a record for at least one
month. This will provide an
accurate estimate of the vehicle's
fuel economy.
WHAT YOU SHOULD KNOW
ABOUT THE EMISSION
CONTROL SYSTEM
For more information on your
vehicle's emission control system,
refer to the Vehicle Emission
Control Information Decal located
on the inside, left of the engine
compartment.
The catalytic converter enables the
vehicle's emission control system
to operate properly.
Follow these guidelines to ensure
proper emission system operation:
²Use only unleaded fuel.
²Avoid running out of fuel.
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194