Page 255 of 272

Item Ford part
nameFord part
numberFord
specification
Automatic
transmission
(4R75E)Motorcraft
MERCONV
AT F
3
XT-5-QM
MERCONV
Rear Axle
LubricantMotorcraft SAE
80W-90
Premium Rear
Axle Lubricant
2
XY-80W90-QL WSP-M2C197-A
Windshield
washer fluidMotorcraft
Premuim
Windshield
Washer
ConcentrateZC-32-A WSB-M8B16–A2
1Use only brake fluids certified to meet Ford specifications. DOT 3 fluid is
recommended. However, if DOT 3 is not available, DOT 4 fluid can be used.
2Add 4 oz. (118 ml) of Additive Friction Modifier XL–3 or equivalent
meeting Ford specification EST-M2C118-A for complete refill of
Traction-Lok rear axles.
3Ensure the correct automatic transmission fluid is used. Transmission
fluid requirements are indicated on the dipstick or on the dipstick
handle. MERCONand MERCONV are not interchangeable. DO NOT
mix MERCONand MERCONV. Refer to yourscheduled maintenance
informationto determine the correct service interval.
ENGINE DATA
Engine 4.6L V8 engine 4.6L FFV V8 engine
Cubic inches 281 281
Required fuel 87 octane 87 octane or Ethanol
(E 85)
Firing order 1-3-7-2-6-5-4-8 1-3-7-2-6-5-4-8
Ignition system Coil on plug Coil on plug
Spark plug gap 0.052–0.056 inch
(1.32–1.42 mm)0.041–0.047 inch
(1.04–1.20 mm)
Compression ratio 9.4:1 9.4:1
2006 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Maintenance and Specifications
255
Page 261 of 272

A
ABS (see Brakes) .....................172
Air cleaner filter ...............250–251
Air conditioning ..........................37
Air suspension ...........................177
description ..............................177
Airbag supplemental restraint
system ................................119, 128
and child safety seats ............121
description ......................119, 128
disposal ....................................130
driver airbag ....................121, 129
indicator light .................128, 130
operation .........................121, 129
passenger airbag .............121, 129
side airbag ...............................128
Antifreeze
(see Engine coolant) ................230
Anti-lock brake system
(see Brakes) ......................172–173
Anti-theft system ..................93, 97
arming the system ....................97
disarming a triggered system ..98
Audio system
(see Radio) ..........17, 19, 21, 25, 30
Automatic transmission
driving an automatic
overdrive .................................180
fluid, adding ............................248
fluid, checking ........................248
fluid, refill capacities ..............252
fluid, specification ..................255
Auxiliary power point .................63
Axle
lubricant specifications ..254–255
refill capacities ........................252
traction lok ..............................178B
Battery .......................................228
acid, treating emergencies .....228
jumping a disabled battery ....201
maintenance-free ....................228
replacement, specifications ...251
servicing ..................................228
BeltMinder .................................114
Brakes ........................................172
anti-lock ...........................172–173
anti-lock brake system (ABS)
warning light ...........................173
fluid, checking and adding ....248
fluid, refill capacities ..............252
fluid, specifications .........254–255
lubricant specifications ..254–255
shift interlock ..................178–179
Bulbs ............................................45
C
Capacities for refilling fluids ....252
Cell phone use ..............................7
Changing a tire .........................195
Child safety restraints ..............131
child safety belts ....................131
Child safety seats ......................135
attaching with tether straps ..139
in front seat ............................136
in rear seat ..............................136
Cleaning your vehicle
engine compartment ..............216
instrument panel ....................217
interior .....................................218
interior trim ............................218
plastic parts ............................216
washing ....................................214
waxing .....................................215
wheels ......................................215
2006 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Index
261
Page 264 of 272

Jump-starting your vehicle ......201
K
Keyless entry system .................91
autolock .....................................90
keypad .......................................91
programming entry code .........91
Keys .......................................83, 96
positions of the ignition .........168
L
Lamps
autolamp system .......................40
bulb replacement
specifications chart ..................46
daytime running light ...............41
fog lamps ...................................42
headlamps .................................40
headlamps, flash to pass ..........41
instrument panel, dimming .....42
interior lamps .....................44–47
replacing bulbs .........................47
Lane change indicator (see
Turn signal) .................................44
Lights, warning and indicator ....10
anti-lock brakes (ABS) ..........173
Limited slip axle
(see Traction Loc) ....................178
Load limits .................................157
Locks
autolock .....................................90
childproof ..................................84
doors ..........................................83
Lubricant specifications ...254–255
Lug nuts ....................................200
Lumbar support, seats .............103
M
Message center .....................74–75english/metric button ...............78
system check button ................77
warning messages .....................79
Mirrors .........................................65
automatic dimming rearview
mirror ........................................64
fold away ...................................65
heated ........................................65
side view mirrors (power) .......65
Moon roof ....................................70
Motorcraft parts ........219, 236, 251
O
Octane rating ............................240
Oil (see Engine oil) ..................225
P
Parking brake ............................174
Parts (see Motorcraft parts) ....251
Passenger Occupant
Classification Sensor .................106
Pedals (see Power adjustable
foot pedals) .................................66
Power adjustable foot pedals .....66
Power distribution box
(see Fuses) ...............................191
Power door locks ..................83, 90
Power mirrors .............................65
Power point .................................63
Power steering ..................176–177
fluid, checking and adding ....247
fluid, refill capacity ................252
fluid, specifications .................254
Power Windows ...........................63
R
Radio ....................17, 19, 21, 25, 30
2006 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Index
264
Page 266 of 272

treadwear ........................143, 148
Towing .......................................163
recreational towing .................166
trailer towing ..........................163
wrecker ....................................206
Traction control ........................175
Traction-lok rear axle ...............178
Transmission .............................178
brake-shift interlock
(BSI) ................................178–179
fluid, checking and adding
(automatic) .............................248
fluid, refill capacities ..............252
lubricant specifications ..254–255
Trunk ...........................................84
remote release ....................82, 87
Turn signal ..................................44
V
Vehicle dimensions ...................256Vehicle Identification Number
(VIN) ..........................................257
Vehicle loading
..........................157
Ventilating your vehicle
...........171
W
Warning lights (see Lights)
.......10
Washer fluid
..............................224
Water, Driving through
.............183
Windows
power
.........................................63
Windshield washer fluid and
wipers
..........................................52
checking and adding fluid
.....224
replacing wiper blades
...........224
Wrecker towing
.........................206
2006 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Index
266