air suspension Mercury Grand Marquis 2007 Owner's Manuals

Seating and Safety Restraints 99
Seating 99
Safety restraints 104
Airbags 118
Child restraints 131
Tires, Wheels and Loading 143
Tire information 143
Vehicle loading 158
Trailer towing 164
Recreational towing 167
Driving 168
Starting 168
Brakes 172
Traction Control™ 175
Air suspension 177
Transmission operation 178
Roadside Emergencies 184
Getting roadside assistance 184
Hazard flasher switch 185
Fuel pump shut-off switch 186
Fuses and relays 187
Changing tires 194
Lug nut torque 200
Jump starting 201
Wrecker towing 206
Customer Assistance 207
Reporting safety defects (U.S. only) 213
Reporting safety defects (Canada only) 214
Cleaning 215
Table of Contents
2
2007 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)

Charging system:Illuminates when
the battery is not charging properly.
Engine oil pressure:Illuminates
when the oil pressure falls below the
normal range. Check the oil level
and add oil if needed. Refer to
Engine oilin theMaintenance and Specificationschapter.
Engine coolant temperature
(if equipped):Illuminates when
the engine coolant temperature is
high. Stop the vehicle as soon as possible, switch off the engine and let
cool. Refer toEngine coolantin theMaintenance and Specifications
chapter.
Never remove the coolant reservoir cap while the engine is
running or hot.
Traction controlAdvanceTrac
active (if equipped):Illuminates
when the Traction controlsystem
is active. It will be lit for a minimum
of four seconds or for the duration
of the Traction Controlevent,
refer to theDrivingchapter for more information.
Severity indicator (if equipped):
Displays the indicated severity color
when any of the following warning
conditions has occurred:
•Red: Low Oil Pressure, Charge
System, Engine Coolant Over Temperature, Door Ajar
•Amber: Low Fuel
Refer toMessage Centerin theDriver Controlschapter.
Air suspension (if equipped):
Illuminates when the air suspension
is turned OFF, the load limit is
exceeded or the air suspension
system requires servicing.
2007 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Instrument Cluster
13

The sequence of the system check report and how it appears in the
message center is as follows:
1. OIL LIFE
— PRESS RESET IF NEW OIL
2. WASHER FLUID
3. AIR SUSPENSION
4. RECONFIGURABLE TELLTALES
—OK
— FAILED RED
— FAILED AMBER
Display Type
1. Select this function from the
SETUP menu.
2. Press the SELECT control to
change the display.
Text Size
1. Select this function from the
SETUP menu.
2. Press the SELECT control to
change text size.
Units (English/Metric)
1. Select this function from the
SETUP menu for the current units
to be displayed.
2. Press the SELECT control to
change from English to Metric.
2007 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
78

•They will not reappear until an ignition OFF-ON cycle has been
completed.
This acts as a reminder that these warning conditions still exist within
the vehicle.
Warning display Status
Door Ajar Warning cannot be reset
Coolant over temperature Warning returns after 10 minutes
Powertrain malfunction
Check fuel cap
Check air suspension
Low fuel
Overdrive ON/OFF Warning returns after the ignition key
is turned from OFF to ON.
Trunk ajar
Check compass module
Low washer fluid
Change engine oil
DOOR AJAR.Displayed when a door is not completely closed.
POWERTRAIN MALFUNCTION.Displayed when the powertrain is not
operating properly. If the warning stays on or continues to come on,
contact your authorized dealer as soon as possible.
COOLANT OVER TEMPERATURE.Displayed when the engine
coolant is overheating. Stop the vehicle as soon as safely possible, turn
off the engine and let it cool. Check the coolant and coolant level. Refer
toEngine coolantin theMaintenance and Specificationschapter. If
the warning stays on or continues to come on, contact your authorized
dealer as soon as possible.
Never remove the coolant reservoir cap while the engine is
running or hot.
CHECK FUEL CAP.Displayed when the fuel filler cap is not properly
installed. Check the fuel filler cap for proper installation. Refer toFuel
filler capin theMaintenance and Specificationschapter.
CHECK AIR SUSPENSION.Displayed when the air suspension system
is not operating properly. If this message is displayed while driving, pull
off the road as soon as safely possible. For more information, refer toAir
suspensionin theDrivingchapter.
2007 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Driver Controls
80

Highway hazards
No matter how carefully you drive there’s always the possibility that you
may eventually have a flat tire on the highway. Drive slowly to the
closest safe area out of traffic. This may further damage the flat tire, but
your safety is more important.
If you feel a sudden vibration or ride disturbance while driving, or you
suspect your tire or vehicle has been damaged, immediately reduce your
speed. Drive with caution until you can safely pull off the road. Stop and
inspect the tires for damage. If a tire is under-inflated or damaged,
deflate it, remove wheel and replace it with your spare tire and wheel. If
you cannot detect a cause, have the vehicle towed to the nearest repair
facility or tire dealer to have the vehicle inspected.
Tire and wheel alignment
A bad jolt from hitting a curb or pothole can cause the front end of your
vehicle to become misaligned or cause damage to your tires. If your
vehicle seems to pull to one side when you’re driving, the wheels may be
out of alignment. Have an authorized dealer check the wheel alignment
periodically.
Wheel misalignment in the front or the rear can cause uneven and rapid
treadwear of your tires and should be corrected by an authorized dealer.
Front wheel drive (FWD) vehicles and those with an independent rear
suspension (if equipped) may require alignment of all four wheels.
The tires should also be balanced periodically. An unbalanced tire and
wheel assembly may result in irregular tire wear.
Tire rotation
Rotating your tires at the recommended interval (as indicated in the
scheduled maintenance informationthat comes with your vehicle) will
help your tires wear more evenly, providing better tire performance and
longer tire life. Unless otherwise specified, rotate the tires approximately
every 5,000 miles (8,000 km).
2007 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Tires, Wheels and Loading
151

It is also important to maintain a proper power steering fluid level in the
power steering fluid reservoir:
•Do not operate the vehicle with a low power steering pump fluid level
(below the MIN mark on the reservoir).
•Some noise is normal during operation. If the noise is excessive, check
for low power steering pump fluid level before seeking service by your
authorized dealer.
•Heavy or uneven steering efforts may be caused by low power steering
pump fluid level. Check for low power steering pump fluid level before
seeking service by your authorized dealer.
•Do not fill the power steering pump reservoir above the MAX mark on
the reservoir, as this may result in leaks from the reservoir.
If the power steering system breaks down (or if the engine is turned
off), you can steer the vehicle manually, but it takes more effort.
If the steering wanders or pulls, check for:
•an improperly inflated tire
•uneven tire wear
•loose or worn suspension components
•loose or worn steering components
•improper steering alignment
Speed sensitive steering
The steering in your vehicle is speed sensitive. At high speeds, steering
assist will decrease to improve steering feel. At lower speeds,
maneuverability will be increased.
If the amount of effort required to steer your vehicle changes while
driving at a constant vehicle speed, have the power steering system
checked by your authorized dealer.
AIR SUSPENSION SYSTEM (IF EQUIPPED)
The air suspension system is designed to improve ride, handling and
general vehicle performance during:
•Certain road conditions
•Steering maneuvers
•Braking
•Accelerations
2007 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Driving
177

This system keeps the rear of your vehicle at a constant level by
automatically adding air or releasing air from the springs.
If you exceed the load limit, the rear air suspension may not operate.
The air suspension shut-off switch is
located on the left side of the trunk.
If this switch is in the OFF position,
the rear air suspension will not
operate.
On vehicles equipped with
Air Suspension, turn OFF
the Air Suspension switch prior to
jacking, hoisting or towing your
vehicle.
Normal vehicle operation does not
require any action by the driver.
TRACTION-LOKAXLE (IF EQUIPPED)
This axle provides added traction on slippery surfaces, particularly when
one wheel is on a poor traction surface. Under normal conditions, the
Traction-Lokaxle functions like a standard rear axle.
Extended use of other than the manufacturer’s specified size tires on a
Traction-Lokrear axle could result in a permanent reduction in
effectiveness. This loss of effectiveness does not affect normal driving
and should not be noticeable to the driver.
AUTOMATIC TRANSMISSION OPERATION
Brake-shift interlock – column-shift transmission
This vehicle is equipped with a brake-shift interlock feature that prevents
the gearshift lever from being moved from P (Park) when the ignition is
in the ON position unless brake pedal is depressed.
If you cannot move the gearshift lever out of P (Park) with ignition in
the ON position and the brake pedal depressed, it is possible that a fuse
has blown or the vehicle’s brakelamps are not operating properly. Refer
toFuses and relaysin theRoadside Emergencieschapter.
If the fuse is not blown, perform the following procedure:
1. Apply the parking brake, turn the ignition to 2 (ACC).
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 le véhicule (cric ou
pont élévateur) ou de le remorquer.
OFF
2007 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Driving
178

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
1 10A Ignition (START) - Starter relay
coil, DTRS
2 7.5A Power mirrors, Door lock
switches, Mirror switch, Keypad
switch, Decklid switch, Adjustable
pedal switch, DDM, Cluster
3 5A Ignition (START) - Audio mute
4 10A LCM (switch illumination),
Autolamp sensor
5 7.5A Ignition (ON/ACC) - LCM
6 7.5A LCM
7 10A Ignition (ON/ACC) - Wiper
module
8 10A Electronic Automatic Temperature
Control (EATC) module (vehicles
equipped with EATC only)
9 7.5A Ignition (ON/ACC) - Door lock
switch illumination, Heated seat
switch illumination, Moon roof,
Overhead console, Radio,
Antenna, Electrochromatic mirror,
Window relay coil
10 15A Hazards
11 15A Ignition (ON) - Turn signals
12 15A Audio
13 10A Ignition (ON) - Anti-lock Brake
System (ABS) module, Rear Air
Suspension Module (RASM),
Variable Assist Power Steering
(VAPS), Cluster
14 15A Adjustable pedals
2007 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Roadside Emergencies
189

The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
1 30A* Ignition switch
2 20A* Moon roof
3 10A* Powertrain Control Module (PCM)
keep alive power, Canister vent
4 20A* Fuel relay feed
5 10A* Rear Air Suspension Module
(RASM), VAPS
6 15A* Alternator regulator
7 30A* PCM relay feed
8 20A* Driver’s Door Module (DDM)
9 15A* Ignition coil relay feed
10 20A* Horn relay feed
11 15A* A/C clutch relay feed
12 20A* Audio (Subwoofer)
13 20A* Instrument panel power point
503
502
501
24
23
20
19 22
21302303304
301 207201 202203 204
209
206
208
205602118
114
110
106
102
117
113
109
105
101
116
112
108
104
115
111
107
103
18
16
14
1210
8
6
4
2
17
15
13
119
7
5
3
1 601
2007 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Roadside Emergencies
192

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
14 20A* Stop lamp switch
15 15A* Foglamps
16 20A* Heated seats
17 — Not used
18 — Not used
19 15A* Injectors
20 15A* PCM
21 15A* Powertrain loads and sensors
22 — Not used
23 — Not used
24 10A* Heated mirror, Rear defrost
indicator
101 40A** Blower relay feed
102 50A** Cooling fan
103 50A** Instrument panel (I/P) fuse box
feed #1 (I/P fuses 10, 12, 14, 16
and 18)
104 50A** Instrument panel (I/P) fuse box
feed #2 (I/P fuses 2, 4, 6, 8, 19,
21, 23 and 25)
105 30A** Starter relay feed
106 40A** Anti-lock Brake System (ABS)
module (Pump)
107 40A** Rear defroster relay feed
108 — Not used
109 20A** ABS module (Valves)
110 30A** Wiper module
111 — Not used
112 30A** Air suspension compressor
113 — Not used
114 — Not used
115 — Not used
2007 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Roadside Emergencies
193