1999 Mercury Sable maintenance

²Drive at reasonable speeds (traveling at 105 km/h
[65 mph] uses 15% more fuel than traveling at
88 km/h [55 mph]).
²Revving the engine before turning it off may
reduce fuel economy.
²Use of the air conditioner or defroster may reduce
fuel economy.
²Use of speed control (if equipped) may improve
fuel economy. Speed control can help maintain a
constant speed and reduce speed changes. You
may want to turn off the speed control in hilly
terrain as unnecessary shifting between third and
fourth gears may occur and could result in
reduced fuel economy.
²Warming up a vehicle on cold mornings is not
required and may reduce fuel economy.
²Resting your foot on the brake pedal while driving
may reduce fuel economy.
²Combine errands and minimize stop-and-go
driving.
Maintenance
²Keep tires properly inflated and use only
recommended size.
²Operating a vehicle with the wheels out of
alignment will reduce fuel economy.
²Use recommended engine oil. Refer toLubricant
Specifications.
²Perform all regularly scheduled maintenance
items. Follow the recommended maintenance
schedule and owner maintenance checks found in
your vehicle Scheduled Maintenance Guide.
Conditions
²Heavily loading a vehicle or towing a trailer may
reduce fuel economy at any speed.
Maintenance and care
165

²Carrying unnecessary weight may reduce fuel
economy (approximately 2 km/h [1 mpg] is lost
for every 180 kg [400 lb] of weight carried).
²Adding certain accessories to your vehicle (for
example bug deflectors, rollover/light bars,
running boards, ski/luggage racks) may reduce
fuel economy.
²Use of fuel blended with alcohol may lower fuel
economy.
²Fuel economy may decrease with lower
temperatures during the first 12±16 km
(8±10 miles) of driving.
²Flat terrain driving improves fuel economy over
hilly roads.
²Transmissions give their best fuel economy when
operated in the top cruise gear and with steady
pressure on the gas pedal.
²Close windows for high speed driving.
EPA window sticker
Every new vehicle should have the EPA window
sticker. Contact your dealer if the window sticker is
not supplied with your vehicle. The EPA window
sticker should be your guide for the fuel economy
comparisons with other vehicles.
It is important to note the box in the lower left
corner of the window sticker. These numbers
represent the Range of Km/L (MPG) expected on
the vehicle, depending upon the driver's method of
operation and conditions.
EMISSION CONTROL SYSTEM
Your vehicle is equipped with various emission
control components and a catalytic converter which
will enable your vehicle to comply with applicable
exhaust emission standards. To make sure that the
catalytic converter and other emission control
components continue to work properly:
Maintenance and care
166

²Use only unleaded fuel.
²Avoid running out of fuel.
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,
ªService Engine Soonº 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, services, 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.
Maintenance and care
167

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.
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 diagnostics system.
If your ªCheck Engine/Service Engine Soonº light is
on, refer to the description in theWarning Lights
and Chimessection of theInstrumentation
chapter. 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 on-board diagnostics system
is reset to a ªnot ready for I/M testº condition. To
ready the on-board diagnostics 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.
Maintenance and care
168

EXTERIOR BULBS
Replacing exterior bulbs
Check the operation of the following lamps
frequently:
²Headlamps
²Tail lamps
²Brakelamps
²High-mount brakelamp
²Turn signals
²Backup lamps
²License plate lamp
Do not remove lamp bulbs unless they will be
replaced immediately. If a bulb is removed for an
extended period of time, contaminants may enter
the lamp housings and affect performance.
Replacing headlamp bulbs
Handle a halogen headlamp bulb carefully
and keep out of children's reach. Grasp the
bulb only by its plastic base and do not touch the
glass. The oil from your hand could cause the bulb
to break the next time the headlamps are
operated.
If the bulb is accidentally touched, it should be
cleaned with rubbing alcohol before being used.
To remove the headlamp bulb:
1. Make sure headlamp switch is in OFF position,
then open the hood. If you are replacing the driver
side headlamp, unclip the electronic module on the
right side of the battery and move it out of the way.
2. Locate the headlamp bulb through the hole in the
upper radiator support assembly.
Maintenance and care
169

3. Remove the bulb
retaining ring by
rotating it
counterclockwise
(when viewed from the
rear) about 1/8 turn to
free it from the bulb socket, and slide the ring off
the plastic base. Keep the ring to retain the new
bulb.
4. With out turning, remove the old bulb from the
lamp assembly by gently pulling it straight out of the
lamp assembly.
5. Release clip and
disconnect the
electrical connector
from the bulb.
To install the new bulb:
1. Install the electrical
connector into the rear
of the plastic base until
it snaps, locking it into
position.
2. With the flat side of the bulb's plastic base facing
upward, insert the glass end of the bulb into the
lamp assembly. You may need to turn the bulb left or
right to align the grooves in the plastic base with the
tabs in the lamp assembly. When the grooves are
aligned, push the bulb into the lamp assembly until
the plastic base contacts the rear of the lamp
assembly.
3. Install the bulb retaining ring over the plastic base
until it contacts the rear of the socket by rotating
clockwise until you feel a ªstop.º
4. Turn the headlamps on and make sure they work
properly. If the headlamp was correctly aligned
before you changed the bulb, you should not need to
align it again.
Maintenance and care
170

High-mount brakelamp bulbs
The following
procedure is for sedans
only. For wagon, refer
to a qualified
technician.
1. Open trunk.
2. Inside trunk, locate
access hole under the
rear window
3. Remove the bulb
socket by rotating it 45 degrees and pulling it out of
the lamp assembly.
4. Carefully pull bulb straight out of socket and push
in new bulb.
5. To complete installation, follow the removal
procedure in reverse order.
License plate lamp bulbs
To change the license plate bulbs:
Sedan
1. Remove two screws
and the license plate
lamp assembly from
the rear bumper.
2. Remove bulb socket
by turning
counterclockwise .
3. Carefully pull the
bulb out from the
socket and push in the
new bulb.
4. Install the lamp assembly on rear bumper with
two screws.
Maintenance and care
171

Wagon
1. Remove screw and
the license plate lamp
assembly from liftgate.
2. Remove bulb socket
by turning
counterclockwise.
3. Carefully pull the
bulb out from the
socket and push in the
new bulb.
4. Install the lamp
assembly on liftgate with screw.
Replacing front parking lamp/turn signal bulbs
For bulb replacement, see a dealer or qualified
technician.
Replacing tail lamp/backup bulbs
For bulb replacement, see a dealer or qualified
technician.
Replacing the interior bulbs
Check the operation of the following interior bulbs
frequently:
²interior overhead lamp
²map lamp
Using the right bulbs
Function Trade Number
Front side marker lamp 194
Front park/turn lamp 3457 NA
Headlamp 9007
Tail lamp/brake lamp 3157
Rear turn lamp 3456K
Backup lamp 3156
License plate lamp 168
Maintenance and care
172