Page 363 of 374

Items CapacityFord Part Name or
equivalentFord Part Number /
Ford Specification
Engine oil 5.5 quarts (5.2L)Motorcraft SAE 5W-20
Premium Synthetic
Blend Motor Oil (US)
Motorcraft SAE 5W-20
Super Premium Motor
Oil (Canada)
4
XO-5W20-QSP (US)
CXO-5W20-LSP12
(Canada) /
WSS-M2C930-A and API
Certification Mark
Engine coolant (with
rear heater)13.2 quarts
(12.5L)Motorcraft Premium
Gold Engine Coolant
with bittering agent
(yellow-colored)
3
VC-7-B /
WSS-M97B51-A1
Power steering fluidBetween MAX and
MIN on reservoirMotorcraft
MERCONVATFXT-5-QM /
MERCONV
Fuel tank18.6 gallons
(70.4 L)——
Windshield washer fluidTop- off fluid as
neededMotorcraft Premium
Windshield Washer
ConcentrateZC-32-A /
WSB-M8B16-A2
1Approximate dry fill capacity. Actual amount may vary during fluid changes.2Automatic transmissions that require MERCONV should only use MERCONV fluid. Refer to
scheduled maintenance informationto determine the correct service interval. Use of any fluid
other than the recommended fluid may cause transmission damage.3Add the coolant type originally equipped in your vehicle.4Use of synthetic or synthetic blend motor oil is not mandatory. Engine oil need only meet the
requirements of Ford specification WSS-M2C930-A and the API Certification mark.5See your authorized dealer for fluid level checking or filling.
2009 Flex(471)
Owners Guide (post-2002-fmt)
USA(fus)
Maintenance and Specifications
363
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ENGINE DATA
Engine 3.5L DOHC V6 engine
Displacement 3.5L
Required fuel 87 octane
Firing order 1–4–2–5–3–6
Spark plug gap 0.052–0.056 inch (1.32–1.42 mm)
Ignition system Coil on plug
Compression ratio 10.3:1
Engine drivebelt routing
1. Short drivebelt is on first pulley groove closest to engine.
2. Long drivebelt is on second pulley groove farthest from engine.
2009 Flex(471)
Owners Guide (post-2002-fmt)
USA(fus)
Maintenance and Specifications
364
Page 370 of 374

Cleaning your vehicle
engine compartment ..............324
instrument panel ....................326
interior .....................................326
plastic parts ............................325
washing ....................................322
waxing .....................................323
wheels ......................................323
wiper blades ............................325
Climate control
(see Air conditioning or
Heating) ...........................64, 67, 70
Clock ............................................88
Clock adjust
AM/FM .......................................17
Compass, electronic ....................89
calibration .................................90
set zone adjustment .................90
Console
overhead ..............................88–89
Controls
power seat ...............................153
steering column ......................104
Coolant
checking and adding ..............339
refill capacities ................342, 362
specifications ..........................362
Cooler ..........................................92
Cruise control
(see Speed control) ..................101
Customer Assistance ................278
Ford Extended Service
Plan ..........................................318
Getting assistance outside the
U.S. and Canada .....................319
Getting roadside assistance ...278
Getting the service you
need .........................................314Ordering additional owner’s
literature .................................320
Utilizing the
Mediation/Arbitration
Program ...................................318
D
Daytime running lamps
(see Lamps) ................................78
Defrost
rear window and rearview
mirrors .......................................70
windshield .................................70
Dipstick
automatic transmission
fluid ..........................................358
engine oil .................................333
Driving under special
conditions ..........................272, 275
sand .........................................274
snow and ice ...........................276
through water .................274, 277
DVD system .................................34
E
Electronic message center .......110
Emergencies, roadside
jump-starting ..........................307
running out of fuel .........307, 349
Emission control system ..........354
Engine ........................................364
cleaning ...................................324
coolant .....................................339
fail-safe cooling .......................343
idle speed control ...................336
lubrication specifications .......362
refill capacities ........................362
service points ..................331–332
2009 Flex(471)
Owners Guide (post-2002-fmt)
USA(fus)
Index
370
Page 371 of 374

Engine block heater .................253
Engine oil ..................................333
change oil soon warning,
message center .......................333
checking and adding ..............333
dipstick ....................................333
filter, specifications ........335, 361
recommendations ...................335
refill capacities ........................362
specifications ..........................362
Event data recording ....................6
Exhaust fumes ..........................253
F
Fail safe cooling ........................343
Family entertainment system ....34
Fluid capacities .........................362
Foglamps .....................................77
Four-Wheel Drive vehicles
driving off road .......................272
Freezer ........................................92
Fuel ............................................345
calculating fuel
economy ..........................112, 351
cap ...........................................347
capacity ...................................362
choosing the right fuel ...........348
comparisons with EPA fuel
economy estimates .................354
detergent in fuel .....................349
filler funnel .............................349
filling your vehicle with
fuel ...........................345, 347, 351
filter, specifications ........344, 361
improving fuel economy ........351
octane rating ...................348, 364
quality ......................................349
running out of fuel .........307, 349safety information relating to
automotive fuels .....................345
Fuses ..........................................280
G
Gas cap (see Fuel cap) ............347
Gas mileage
(see Fuel economy) .................351
Gauges .........................................14
H
Hazard flashers .........................279
Head restraints .................157, 159
Headlamps ...................................76
aiming ........................................78
autolamp system .......................76
bulb specifications ....................82
daytime running lights .............78
flash to pass ..............................77
high beam .................................77
replacing bulbs .........................83
turning on and off ....................76
Heating
heating and air conditioning
system ...........................64, 67, 70
Homelink wireless control
system ........................................107
Hood ..........................................330
I
Ignition ...............................250, 364
Illuminated visor mirror .............88
Infant seats
(see Safety seats) .....................201
2009 Flex(471)
Owners Guide (post-2002-fmt)
USA(fus)
Index
371