Ford Explorer Sport (2003 year). Manual — part 40

5. Remove the engine oil dipstick
and wipe clean.

6. Insert the dipstick fully, then
remove it again.

7. If the oil level is low, add enough
oil to raise the level to within the
acceptable range.

Note: Oil levels above the mark
indicating full may cause engine
damage. Consult a service
technician.

8. Replace the dipstick.

Adding engine oil

1. Check the engine oil.

2. If the engine oil level is below
normal range, remove the engine oil
filler cap and use a funnel to pour
the engine oil into the opening.

3. Recheck the engine oil level to
ensure the oil level is not above the
mark indicating full on the dipstick.

4. Install the dipstick and engine oil
filler cap.

Note: Do not operate the vehicle
with the dipstick and/or the engine
oil filler cap removed.

MAX

MIN

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162

SAE 5W-30 engine oil recommendation

Use only oils “Certified For Gasoline
Engines” by the American
Petroleum Institute (API). Use
Motorcraft (Part: XO-5W30–QSP
U.S.) or an equivalent oil meeting
Ford Motor Company specification
WSS-M2C205–A. It is also
recommended that you use the
appropriate Motorcraft oil filter or
an equivalent filter meeting the
Ford Motor Company specification for your engine.

Change your engine oil and filter according to the Scheduled
Maintenance Guide.

BATTERY

Your vehicle is equipped with a
Motorcraft maintenance-free battery
which normally does not require
additional water during its life of
service.

However, for severe usage or in high temperature climates, check the
battery electrolyte level. Refer to the scheduled maintenance guide for
the service interval schedules.

Keep the electrolyte level in each cell up to the “level indicator”.
Do not overfill the battery cells.

If the electrolyte level in the battery is low, you can add plain tap water
to the battery, as long as you do not use hard water (water with a high
mineral or alkali content). If possible, however, try to only fill the battery
cells with distilled water. If the battery needs water often, have the
charging system checked.

If your battery has a cover/shield, make sure it is reinstalled
after the battery has been cleaned or replaced.

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163

For longer, trouble-free operation, keep the top of the battery clean and
dry. Also, make certain the battery cables are always tightly fastened to
the battery terminals.

If you see any corrosion on the battery or terminals, remove the cables
from the terminals and clean with a wire brush. You can neutralize the
acid with a solution of baking soda and water.

Batteries normally produce explosive gases which can cause
personal injury. Therefore, do not allow flames, sparks or lighted

substances to come near the battery. When working near the battery,
always shield your face and protect your eyes. Always provide proper
ventilation.

When lifting a plastic-cased battery, excessive pressure on the
end walls could cause acid to flow through the vent caps,

resulting in personal injury and/or damage to the vehicle or battery.
Lift the battery with a battery carrier or with your hands on opposite
corners.

Keep batteries out of reach of children. Batteries contain sulfuric
acid. Avoid contact with skin, eyes or clothing. Shield your eyes

when working near the battery to protect against possible splashing of
acid solution. In case of acid contact with skin or eyes, flush
immediately with water for a minimum of 15 minutes and get prompt
medical attention. If acid is swallowed, call a physician immediately.

Battery posts, terminals and related accessories contain lead and
lead compounds. Wash hands after handling.

Because your vehicle’s engine is electronically controlled by a computer,
some control conditions are maintained by power from the battery. When
the battery is disconnected or a new battery is installed, the engine must
relearn its idle and fuel trim strategy for optimum driveability and
performance. To begin this process:

1. With the vehicle at a complete stop, set the parking brake.

2. Put the gearshift in P (Park), turn off all accessories and start the
engine.

3. Run the engine until it reaches normal operating temperature.

4. Allow the engine to idle for at least one minute.

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164

5. Turn the A/C on and allow the engine to idle for at least one minute.

6. Drive the vehicle to complete the relearning process.
• The vehicle may need to be driven 16 km (10 miles) or more to

relearn the idle and fuel trim strategy.

• If you do not allow the engine to relearn its idle trim, the idle

quality of your vehicle may be adversely affected until the idle
trim is eventually relearned.

When the battery is disconnected or a new battery installed, the
transmission must relearn its adaptive strategy. As a result of this, the
transmission may shift firmly. This operation is considered normal and
will not affect function or durability of the transmission. Over time the
adaptive learning process will fully update transmission operation to its
optimum shift feel.

If the battery has been disconnected or a new battery has been installed,
the clock and the preset radio stations must be reset once the battery is
reconnected.
• Always dispose of automotive

batteries in a responsible manner.
Follow your local authorized
standards for disposal. Call your
local authorized recycling center
to find out more about recycling
automotive batteries.

ENGINE COOLANT

Checking engine coolant

The concentration and level of engine coolant should be checked at the
mileage intervals listed in the scheduled maintenance guide. The coolant
concentration should be maintained at 50/50 coolant and distilled water,
which equates to a freeze point of -36° C (-34° F). Coolant concentration
testing is possible with a hydrometer or antifreeze tester (such as the
Rotunda Battery and Antifreeze Tester, 014–R1060). The level of coolant
should be maintained at the “cold full” of “cold fill range” level in the
coolant reservoir. If the level falls below, add coolant per the instructions
in the Adding engine coolant section.

Your vehicle was factory-filled with a 50/50 engine coolant and water
concentration. If the concentration of coolant falls below 40% or above

LEAD

RETURN

RECYCLE

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165