ENGINE DATA
Engine 3.5L V6 engine 3.5L V6 EcoBoost engine
Cubic inches 214 214
FuelSeeOctane
recommendations
earlier in this chapter.SeeOctane
recommendationsearlier
in this chapter.
Firing order 1–4–2–5–3–6 1–4–2–5–3–6
Spark plug gap0.052–0.056 inch
(1.32–1.42 mm)0.033–0.037 inch (.838–
.939 mm)
Ignition system Coil on plug Coil on plug
Compression
ratio10.3:1 10.0:1
Engine drivebelt routing
3.5L V6 engine
1. Short drivebelt is on first pulley groove closest to engine (not
applicable to vehicles with electric power assisted steering).
2. Long drivebelt is on second pulley groove farthest from engine.
Maintenance and Specifications
382
2010 Flex(471)
Owners Guide, 1st Printing
USA(fus)
A
Accessory delay ........................102
Active Park Assist .....................280
AdvanceTrac ..............................262
Air cleaner filter ...............376–378
Air conditioning ..............68, 71, 74
manual heating and air
conditioning system .................68
Airbag supplemental restraint
system ................184–185, 193, 195
and child safety seats ............186
description ..............185, 193, 195
disposal ....................................199
driver airbag ............187, 194, 196
indicator light .................193, 198
operation .................187, 194, 196
passenger airbag .....187, 194, 196
side airbag ...............................193
All Wheel Drive (AWD),
driving off road .........................285
Ambient mood/lighting ...............85
AM/FM .........................................28
Antifreeze
(see Engine coolant) ................354
Anti-lock brake system
(see Brakes) ..............................260
Anti-theft system ..............140, 149
arming the system ..................149
disarming a triggered
system .....................................150
Audio system (see Radio) .........28
Automatic transaxle
fluid, refill capacities ..............379
fluid, specification ..................379Automatic transmission
driving an automatic
overdrive .........................271, 273
fluid, adding ............................374
fluid, checking ........................374
Selectshift (SST) ....................275
Auxiliary input jack (Line in) ....37
B
Battery .......................................352
acid, treating emergencies .....352
jumping a disabled battery ....319
maintenance-free ....................352
replacement, specifications ...378
servicing ..................................352
Belt-Minder.............................180
Booster seats .............................213
Brakes ........................................260
anti-lock ...................................260
anti-lock brake system (ABS)
warning light ...........................261
fluid, checking and adding ....374
fluid, refill capacities ..............379
fluid, specifications .................379
lubricant specifications ..........379
parking ....................................261
shift interlock ..........................269
Bulbs ............................................86
C
Capacities for refilling fluids ....379
Car2UHome Automation
System .......................................113
Cargo net ...................................124
CD ................................................28
Cell phone use ..............................9
Changing a tire .........................302
Index
391
2010 Flex(471)
Owners Guide, 1st Printing
USA(fus)
O
Octane rating ............................364
Oil (see Engine oil) ..................349
Overdrive ...................................270
P
Parental MyKey
programming .............................143
Park Assist ................................280
Parking brake ............................261
Parts
(see Motorcraftparts) ...........378
Passenger Occupant
Classification Sensor .................173
Power adjustable foot pedals ...104
Power distribution box
(see Fuses) ...............................298
Power door locks ......................127
Power liftgate ............................120
Power mirrors ...........................103
Power point .................................98
Power steering ..........................267
fluid, checking and adding ....373
fluid, refill capacity ................379
fluid, specifications .................379
Power Windows .........................101
R
Radio ............................................28
6-CD in dash .............................28
Rear heated seats .....................167
Rear seat entertainment
system ..........................................46
Rear-view camera system .........278Recommendations for
attaching safety restraints for
children ......................................201
Refrigerator .................................97
Relays ........................................294
Remote entry system .......132–133
illuminated entry ....................137
locking/unlocking
doors ................................133–134
opening the trunk ...................134
panic alarm .............................135
replacement/additional
transmitters .............................136
replacing the batteries ...........136
Reverse sensing system ...........276
Roadside assistance ..................292
Roof rack ...................................125
S
Safety belts (see Safety
restraints) ..................171, 175–179
Safety Canopy ...................193, 195
Safety defects, reporting ..........333
Safety restraints ........171, 175–179
Belt-Minder...........................180
extension assembly ................179
for adults .........................176–178
for children .............................199
Occupant Classification
Sensor ......................................173
warning light and chime ........180
Safety restraints - LATCH
anchors ......................................207
Safety seats for children ..........203
Safety Compliance
Certification Label ....................383
Satellite Radio (if equipped) .....28
Index
395
2010 Flex(471)
Owners Guide, 1st Printing
USA(fus)