Mercury Grand Marquis 1998 Owner's Manuals

²load the vehicle beyond maximum vehicle load rating listed on the
Safety Compliance Label
²tow a trailer
²use tire chains
²drive through an automatic car wash, because of the vehicle's reduced
ground clearance
²try to repair the temporary spare tire or remove it from its wheel
²use the wheel for any other type of vehicle
If the mini-spare tire is used as a replacement for a rear wheel:
²Turn off the traction control switch (if equipped).
²Turn off the air suspension switch (if equipped).
Anti-theft lug nuts (if equipped)
If your vehicle is equipped with this
feature, one of the lug nuts on each
wheel must be removed and
replaced with a special key. The key
and registration card are attached to
the lug wrench and stored with the spare tire. If you lose the key, send
the registration card to the manufacturer (not the dealer) to get a
replacement key. If the lug wrench/lug nut key assembly is lost, see your
nearest Ford or Lincoln/Mercury dealer who has access to the master set
of keys.Do not use an impact wrench with the anti-theft key.
Removing the anti-theft lug nut
1. Insert the key over the locking lug nut. Make sure you hold the key
square to the lug nut. If you hold the key at an angle, you could damage
the key and the lug nut.
2. Place the lug nut wrench over the lug nut key and apply pressure on
the key with the wrench.
3. Turn the wrench in a counterclockwise direction to remove the lug nut.
Reinstalling the anti-theft lug nut
1. Insert the key over the locking lug nut.
2. Place the lug nut wrench over the lug nut key and apply pressure on
the key with the wrench.
3. Install the lug nut.
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101

Tire change procedure
1. Park on a level surface, activate hazard flashers and set parking brake.
2. Place gearshift lever in P (Park).
3. Remove the spare tire, jack and
lug wrench.
4. Remove the center ornament
from the aluminum wheel with the
tapered end of the wheel nut
wrench that came with your vehicle.
Insert and twist the handle, then
pry against the wheel.
5. Loosen each wheel lug nut
one-half turn counterclockwise but
do not remove them until the wheel
is raised off the ground. Refer to
Anti-theft lug nutsfor information
on removing anti-theft lug nuts.
On vehicles equipped with
Air Suspension, turn OFF
the Air Suspension switch prior to
jacking, hoisting or towing your
vehicle.
Refer toAir suspension systemin
theDrivingchapter for more
information.AIR SUSPENSION
SWITCH
INTERRUPTEUR DE
LA SUSPENSION
PNEUMATIQUE
WARNING
AVERTISSEMENTOFF-ARRET
To prevent sudden
vehicle movement,
turn off air suspen-
sion switch prior to
jacking, hoisting or
towing vehicle.
Pour prévenir tout mouvement soudain du véhi-
cule, placer à l'arrêt l'interrupteur de la suspension
pneumatique avant de lever to véhicule (cric ou
pont élévateur) ou de le remorquer.
OFF
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102

6. Put the jack in the jack notch
next to the door closest to the tire
you are changing. Turn the jack
handle clockwise until the wheel is
completely off the ground.
7. Remove the lug nuts with the lug
wrench.
8. Replace the flat tire with the spare tire, making sure the valve stem is
facing outward. Reinstall lug nuts until the wheel is snug against the hub.
Do not fully tighten the lug nuts until the wheel has been lowered.
9. Lower the wheel by turning the jack handle counterclockwise.
10. Remove the jack and fully
tighten the lug nuts in the order
shown.
11. Put flat tire, jack and lug wrench
away.
12. Turn on the air suspension
switch.
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.
Batteries contain sulfuric acid which burns skin, eyes, and
clothing.
1
4 3
52
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103

Preparing your vehicle
Also see the label on the battery.
1. Use only a 12±volt supply to start your vehicle. If you connect your
battery to a 24±volt power supply you can damage your starter, ignition
system and other electrical components.
2. Do not disconnect the battery of the disabled vehicle as this could
damage the vehicle's electrical system.
3. Park the booster vehicle close to the hood of the disabled vehicle
making sure theydo nottouch. Set the parking brake on both vehicles
and stay clear of the engine cooling fan and other moving parts.
4. Check all battery terminals and remove any excessive corrosion before
you attach the battery cables.
5. Turn the heater fan on in both vehicles to protect any electrical
surges. Turn all other accessories off.
Connecting the jumper cables
1. Position the vehicles so that they
do not touch one another.
2. Switch off the engine. Switch off
any unnecessary electrical
equipment.
3. Connect the positive (+) terminal
of the discharged battery (1) to the
positive (+) terminal of the booster
battery (2).
4. Connect one end of the second
lead to the negative (-) terminal of
the booster battery (3) and the
other end to a metal part of the
engine to be started (4), not to the
negative (-) terminal of the discharged battery.
5. Make sure that the jump leads are clear of moving parts of the engine.
Do not connect the end of the second cable to the negative (-)
terminal of the battery to be jumped. A spark may cause an
explosion of the gases that surround the battery.
+–
+–
14
3
2
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104

Jump starting
1. Start the booster vehicle and run the engine at moderately increased
speed.
2. Start the engine of the vehicle with the discharged battery.
3. Once the engine has been started, run both vehicles for a further
three minutes before disconnecting the leads.
Removing the jumper cables
1. Remove the jumper cables in
reverse order. Take the cable off the
metallic surface (1) first, followed
by the cable on the negative (-)
booster battery terminal (2).
2. Remove the cable from the
positive (+) terminal of the booster
battery (3) and then the discharged
battery (4).
3. After the disabled vehicle has
been started, allow it to idle for a
while so the engine can ªrelearnº its
idle conditions.
+–
+–
41
2
3
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105

WRECKER TOWING
If you need to have your vehicle towed, contact a professional towing
service or, if you are a member, your roadside assistance center.
It is recommended that your vehicle be towed with a wheel lift or flatbed
equipment. Do not tow with slingbelt equipment. Ford Motor Company
has not developed or approved a T-hook or slingbelt towing procedure.
Before your vehicle can be towed, the air suspension control in the
luggage compartment must be turned to the OFF position.
When calling for a tow truck, tell the operator what kind of vehicle you
have. A towing manual is available from Ford Motor Company for all
authorized tow truck operators. Have your tow truck driver refer to this
manual for proper hook-up and towing procedures for your vehicle.
Roadside emergencies
106

SERVICE RECOMMENDATIONS
To help you service your vehicle:
²We highlight do-it-yourself items in the engine compartment for easy
location.
²We provide a ªService Guideº which makes tracking routine service
easy.
If your vehicle requires professional service, your dealership can provide
necessary parts and service. Check your ªWarranty Guideº to find out
which parts and services are covered.
Use only recommended fuels, lubricants, fluids and service parts
conforming to specifications. Motorcraft parts are designed and built to
provide the best performance in your vehicle.
PRECAUTIONS WHEN SERVICING YOUR VEHICLE
Be especially careful when inspecting or servicing your vehicle.
²Do not work on a hot engine.
²When the engine is running, avoid wearing loose clothing, jewelry or
long hair that could get caught up in moving parts.
²Do not work on a vehicle with the engine running in an enclosed
space, unless you are sure you have enough ventilation.
²Keep all lit cigarettes, open flames and other lit material away from
the battery and all fuel related parts.
If you disconnect the battery, the engine must ªrelearnº its idle
conditions before your vehicle will drive properly, as explained in
theBatterysection in this chapter.
Working with the engine off
1. Set the parking brake and ensure the gearshift is securely latched in P
(Park).
2. Turn off the engine and remove the key.
3. Block the wheels to prevent the vehicle from moving unexpectedly.
Working with the engine on
1. Set the parking brake and ensure the gearshift is securely latched in P
(Park).
2. Block the wheels to prevent the vehicle from moving unexpectedly.
Maintenance and care
107

Do not start your engine with the air cleaner removed and do
not remove it while the engine is running.
OPENING THE HOOD
1. Inside the vehicle, pull the hood
release handle located under the
instrument panel.
2. Go to the front of the vehicle and
release the auxiliary latch that is
located under the front of the hood.
3. Lift the hood until the lift
cylinders hold it open.
HOOD
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108

IDENTIFYING COMPONENTS IN THE ENGINE COMPARTMENT
4.6L SOHC V8 engine
1. Brake fluid reservoir
2. Engine oil dipstick
3. Engine oil filler cap
4. Windshield washer fluid reservoir
5. Air filter assembly
6. Power steering fluid reservoir
7. Engine coolant reservoir
8. Battery
9. Automatic transmission fluid dipstick
912
3
6578
4
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109

ENGINE OIL
Checking the engine oil
Check the engine oil each time you fuel your vehicle.
1. Make sure the vehicle is on level ground.
2. Turn the engine off and wait a few minutes for the oil to drain into the
oil pan.
3. Set the parking brake and ensure the gearshift is securely latched in P
(Park).
4. Open the hood. Protect yourself from engine heat.
5. Locate and carefully remove the
engine oil level indicator (dipstick).
6. Wipe the indicator clean. Insert the indicator fully, then remove it
again.
²If the oil level isbetween the MIN and MAX marks,the oil level is
acceptable.DO NOT ADD OIL.
MAX MIN
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110