1999 FORD EXPLORER service

Running out of fuel
Avoid running out fuel because this situation may have an adverse affect
on powertrain components.
If you have run out of fuel:
²You may need to crank the engine several times before the system
starts to pump fuel from the tank to the engine.
²Your ªCheck Engineº light may come on. For more information on the
ªCheck Engineº light, refer to theInstrumentationchapter.
Fuel Filler Cap
Your fuel tank filler cap has an indexed design with a one-eighth turn
on/off feature.
When fueling your vehicle:
1. Turn the engine off.
2. Carefully turn the filler cap counterclockwise 1/8 of a turn until it
stops.
3. Pull to remove the cap from the fuel filler pipe.
4. To install the cap, align the tabs on the cap with the notches on the
filler pipe.
5. Turn the filler cap clockwise 1/8 of a turn until it stops.
If the ªService Engine Soon/Check Engine ª indicator comes on and stays
on when you start the engine, the fuel filler cap may not be properly
installed. Turn off the engine, remove the fuel filler cap and reinstall it
being careful to align the cap properly.
If you must replace the fuel filler cap, replace it with a genuine
Ford or Motorcraft part. The customer warranty may be void for
any damage to the fuel tank or fuel system if a genuine Ford or
Motorcraft fuel filler cap is not used.
The fuel system may be under pressure. If the fuel filler cap is
venting vapor or if you hear a hissing sound, wait until it stops
before completely removing the fuel filler cap. Otherwise, fuel may
spray out and injure you or others.
Maintenance and care
230

If you do not use the proper fuel filler cap, the pressure in the
fuel tank can damage the fuel system or cause it to work
improperly in a collision.
Fuel Filter
Your vehicle is equipped with a fuel filter that is mounted on the
underbody.
For fuel filter replacement, see your dealer or a qualified service
technician. Refer to the Scheduled Maintenance Guide for the
appropriate intervals for changing the fuel filter.
If you replace the fuel filter, replace it with an authorized
Motorcraft part. The customer warranty may be void for any
damage to the fuel system if an authorized Motorcraft fuel filter
is not used.
ESSENTIALS OF GOOD FUEL ECONOMY
Measuring techniques
Your best source of information about actual fuel economy is you, the
driver. You must gather information as accurately and consistently as
possible. Fuel expense, frequency of fillups or fuel gauge readings are
NOT accurate as a measure of fuel economy. We do not recommend
taking fuel economy measurements during the first 1 600 km (1 000
miles) of driving (engine break-in period). You will get a more accurate
measurement after 3 000 km±5 000 km (2 000 miles-3 000 miles).
The advertised fuel capacity of the fuel tank on your vehicle is equal to
the rated refill capacity of the fuel tank as listed in the Refill Capacities
chart in this ªOwner Guide.º The advertised capacity is the amount of
the Indicated Capacity and the Empty Reserve combined. Indicated
Capacity is the difference in the amount of fuel in a full tank and a tank
when the fuel gauge indicates empty. Empty Reserve is the small amount
of usable fuel remaining in the fuel tank after the fuel gauge indicates
empty.
The amount of Empty Reserve varies and should not be relied
upon to increase driving range. When refueling your vehicle after
the fuel gauge indicates empty, you might not be able to refuel
the full amount of the advertised capacity of the fuel tank due to
the empty reserve still present in the tank.
Maintenance and care
231

²Do not turn off the ignition while your vehicle is moving, especially at
high speeds.
²Have the items listed in your Scheduled Maintenance Guide performed
according to the specified schedule.
The scheduled maintenance items listed in the Scheduled Maintenance
Guide are essential to the life and performance of your vehicle and to its
emissions system.
If other than Ford, Motorcraft or Ford-authorized parts are used for
maintenance replacements or for service of components affecting
emission control, such non-Ford parts should be equivalent to genuine
Ford Motor Company parts in performance and durability.
Do not park, idle, or drive your vehicle in dry grass or other dry
ground cover. The emission system heats up the engine
compartment and exhaust system, which can start a fire.
Illumination of the charging system warning light,Check Engine
indicator light or the temperature warning light, fluid leaks, strange
odors, smoke or loss of oil pressure, could indicate that the emission
control system is not working properly.
Exhaust leaks may result in entry of harmful and potentially
lethal fumes into the passenger compartment.
Do not make any unauthorized changes to your vehicle or engine. By
law, vehicle owners and anyone who manufactures, repairs, items, sells,
leases, trades vehicles, or supervises a fleet of vehicles are not permitted
to intentionally remove an emission control device or prevent it from
working. Information about your vehicle's emission system is on the
Vehicle Emission Control Information Decal located on or near the
engine. This decal identifies engine displacement and gives some tune up
specifications.
Please consult your ªWarranty Guideº for complete emission warranty
information.
Maintenance and care
235

Readiness for inspection/maintenance (I/M) testing
In some localities, it may be a legal requirement to pass an I/M test of
the on-board diagnostic (OBD-II) system. If your ªCheck Engine/Service
Engine Soonº light is on, refer to the description in theWarning Lights
and Chimessection of theInstrumentationchapter. Your vehicle may
not pass the I/M test with the ªCheck Engine/Service Engine Soonº light
on.
If the vehicle's powertrain system or its battery has just been serviced,
the OBD-II system is reset to a ªnot ready for I/M testº condition. To
ready the OBD-II system for I/M testing, a minimum of 30 minutes of city
and highway driving is necessary as described below:
²First, at least 10 minutes of driving on an expressway or highway.
²Next, at least 20 minutes driving in stop-and-go, city-type traffic with
at least four idle periods.
Allow the vehicle to sit for at least eight hours without starting the
engine. Then, start the engine and complete the above driving cycle. The
engine must warm up to its normal operating temperature. Once started,
do not turn off the engine until the above driving cycle is complete.
EXTERIOR BULBS
Replacing exterior bulbs
Check the operation of the following lamps frequently:
²Headlamps
²Foglamps
²High-mount brakelamp
²Brakelamps
²Turn signals
²License plate lamp
²Tail lamps
²Back-up lamps
Do not remove lamp bulbs unless they can be replaced immediately with
new ones. If a bulb is removed for an extended period of time,
contaminants may enter the lamp housings and affect lamp performance.
Maintenance and care
236

AIMING THE HEADLAMPS
The alignment of your headlamps should be checked by a qualified
service technician if:
²Oncoming motorists frequently signal you to deactivate your high
beams, and your high beams are not activated.
²The headlamps do not seem to provide enough light for clear night
vision.
²The headlamp beams are pointed substantially away from a slightly
down and to the right position.
CLEANING AND CARING FOR YOUR VEHICLE
Refer to the ªCustomer Assistance Guideº for a list of Ford-approved
cleaners, polishes and waxes.
Washing your vehicle
Wash your vehicle regularly with
cold or lukewarm water. Never use
strong detergents or soap. If your
vehicle is particularly dirty, use a
quality car wash detergent. Always
use a clean sponge, washing glove
or similar device and plenty of water
for best results. To avoid spots,
avoid washing when the hood is still
warm, immediately after or during
exposure to strong sunlight.
During winter months, it is especially important to wash the vehicle on a
regular basis. Large quantities of dirt and road salt are difficult to
remove and also cause damage to the vehicle.
Remove any exterior accessories, such as antennas, before entering a car
wash. If you have wax applied to the vehicle at a commercial car wash, it
is recommended that you clean the wiper blades and windshield as
described inCleaning the wiper blades and windshield.
After washing, apply the brakes several times to dry them.
Maintenance and care
241

Fluid Ford Part
NameApplication
Capacity
Rear axle
lubricant
2,Motorcraft SAE
80W90
Premium Rear
Axle LubricantRefer to
footnote 3
2.9-3.1L (5.5-5.8
pints) Motorcraft SAE
75W140 High
Performance
Synthetic Rear
Axle LubricantRefer to
footnote 4
Windshield
washer fluidUltra-Clear
Windshield
Washer
ConcentrateAll
2.6L (2.7 quarts)
1If your engine coolant is green in color, use Ford Premium Cooling
System Fluid. If your coolant is orange in color, use Ford Extended Life
Engine Coolant. Refer toAdding engine coolant, in the Maintenance
and Care chapter.
2Fill to 6 mm to 14 mm (1/4 inch to 9/16 inch) below bottom of fill hole.
3Vehicles equipped with 4.0L OHV V6 and 4.0L SOHC V6 engines may
be equipped with a conventional rear axle. Refer to your Scheduled
Maintenance Guide for axle fluid change intervals.
4Vehicles equipped with 4.0L OHV V6 and 4.0L SOHC V6 engines and
3.73:1 or 4.10:1 rear axle ratios or with a 5.0L V8 engine require
synthetic rear axle lubricant. Rear axles containing synthetic lubricant
are lubricated for life. These lubricants are not to be checked or changed
unless a leak is suspected or service is required. The axle lubricant
should be changed any time the axle has been submerged in water.
Add 118 ml (4 oz.) of additive friction modifier C8AZ-19B546-A, Ford
specification EST-M2C118±A for complete refill of Traction-Lok axles.
Capacities and specifications
249

ItemFord Part
Name or
equivalentFord Part
NumberFord
Specification
Power steering
fluidMotorcraft
MERCONtAT FXT-2-QDX MERCONt
Ford
conventional and
Traction-Lok
rear axles
2, 3, 4 2, 3, 4 2, 3, 4
Front axle 4x4 Gear Oil F1TZ-19580-A WSL-M2C191-A
Transfer case -
Four wheel
driveMotorcraft
MERCONtAT FXT-2-QDX MERCONt
5-speed manual
transmissionMotorcraft
MERCONtAT FXT-2-QDX MERCONt
Transfer case
Front Output
Slip ShaftPremium
Long-Life GreaseXG-1-G or K ESA-M1C75-B
Windshield
washer fluidUltra-Clear
Windshield
Washer
ConcentrateC9AZ-19550-AC ESR-M17P5-A
1If your engine coolant is green in color, use Ford Premium Cooling
System Fluid. If your coolant is orange in color, use Ford Extended Life
Engine Coolant. Refer toAdding engine coolant,in theMaintenance
and Carechapter.
24.0L vehicles with conventional rear axles are filled with Motorcraft
SAE 80W90 Premium Rear Axle Lubricant, part number XY-80W90±QL,
Ford specification WSP-M2C197±A.
34.0L vehicles with limited slip differentials and all 5.0L applications use
rear axles that are filled with Motorcraft SAE 75W140 High Performance
Synthetic Rear Axle Lubricant, part number F1TZ-19580±B, Ford
specification WSL-M2C192±A.
44.0L vehicles with limited slip differentials and all 5.0L applications
must add 118 ml (4 oz) of additive friction modifier C8AZ-19B546±A,
Ford specification EST-M2C118±A to the rear axle whenever the axle has
been serviced.
Capacities and specifications
251

Air bag supplemental restraint
system ........................................126
and child safety seats ............128
description .......................127,130
disposal ....................................133
indicator light ..................130,132
passenger air bag ............128,131
Air conditioning
automatic temperature
control system .23,24,25,26,27,28
rear seat controls .....................29
Air suspension
description ..............................148
warning light .............................10
All Wheel Drive (AWD),
driving off road .........................162
Armrests ....................................102
Automatic transmission
driving an automatic
overdrive .....150,151,152,153,154
Axle
refill capacities ........................247
Battery
voltage gauge ............................14
Brakes ........................................145
anti-lock ............................145,146
anti-lock brake system (ABS)
warning light ...........................146
fluid, checking and adding ....208
shift interlock ..........................149
Break-in period ..........................2,3
Cargo area shade ......................104
Cargo cover ...............................104
CD player .....................75,77,78,79
Child safety seats
attaching with tether straps ..138
in rear seat ..............................136
tether anchorage hardware ...138
Cleaning your vehicle ...............241
engine compartment ..............242
exterior .............................242,244
exterior lamps .........................244interior ..............................245,246
plastic parts ............................244
washing ....................................241
waxing .....................................242
wheels ......................................244
windows ..................................246
wiper blades ............................245
woodtone trim ........................246
Clutch
fluid ..........................................209
operation while driving ...154,155
recommended shift speeds ....156
Compass, electronic ....................90
calibration .................................92
set zone adjustment .................91
Console ...............................101,102
overhead ...............................87,88
rear ..........................................102
Controls
power seat ...............................117
Coolant ...............................212,213
checking and adding ..............211
refill capacities ........................213
Defrost
rear window ..............................30
Driveline universal joint and
slip yoke ....................................219
Driving under special
conditions ...........................161,164
sand ..................................160,163
snow and ice ......160,162,163,164
through water ..................160,163
Emission control system ..........234
Engine
check engine/service engine
soon light ....................................6
coolant .....................................210
idle speed control ...................219
service points ............203,204,205
starting after a collision .........178
Engine block heater .................143
Index
257