oil FORD FLEX 2018 Owner's Manual

•
Check fluid levels (including coolant,
oil and gas) to make sure there are no
leaks, and fluids are at recommended
levels.
• If you remove the battery, clean the
battery cable ends and check for
damage.
Contact an authorized dealer if you have
any concerns or issues.
BODY STYLING KITS
The distance between the underside of
your vehicle and the ground is less than
that of other models. Drive with extreme
care to avoid damage to your vehicle.
275
Flex (TP3) , enUSA, Edition date: 201801, Second Printing Vehicle Care

ENGINE SPECIFICATIONS - 3.5L DURATEC
3.5L V6
Engine
214
Cubic inches
Minimum 87 octane
Required fuel
1-4-2-5-3-6
Firing order
Coil on plug
Ignition system
0.049 - 0.053 in (1.25 mm - 1.35 mm)
Spark plug gap
10.8:1
Compression ratio
Drivebelt Routing
3.5L Engine ENGINE SPECIFICATIONS - 3.5L ECOBOOST™
3.5L EcoBoost
Engine
214
Cubic inches
Minimum 87 octane
Required fuel
1-4-2-5-3-6
Firing order
302
Flex (TP3) , enUSA, Edition date: 201801, Second Printing Capacities and SpecificationsE191904

3.5L EcoBoost
Engine
Coil on plug
Ignition system
0.030–0.033 in (0.75–0.85 mm)
Spark plug gap
10.0:1
Compression ratio
Drivebelt Routing
3.5L EcoBoost Engine MOTORCRAFT PARTS - 3.5L DURATEC
Part Number
Component
FA-1884
Air filter element
FL-500-S
Oil filter
BXT-65-650
Battery
SP-520
Spark plugs
FP-68
Cabin air filter
WW-2301 (driver side)
Windshield wiper blade
303
Flex (TP3) , enUSA, Edition date: 201801, Second Printing Capacities and SpecificationsE191904

Part Number
Component
WW-2103 (passenger side)WW-1202
Rear window wiper blade
We recommend Motorcraft replacement parts available at your Ford dealer or at
fordparts.com for scheduled maintenance. These parts meet or exceed Ford Motor
Company ’s specifications and are engineered for your vehicle. Use of other parts may
impact vehicle performance, emissions and durability. Your warranty may be void for any
damage related to use of other parts.
If a Motorcraft oil filter is not available, use an oil filter that meets industry performance
specification SAE/USCAR-36.
For spark plug replacement, contact an authorized dealer. Replace the spark plugs at the
appropriate intervals. See Scheduled Maintenance (page 447).
304
Flex (TP3) , enUSA, Edition date: 201801, Second Printing Capacities and Specifications

MOTORCRAFT PARTS - 3.5L ECOBOOST™
Part Number
Component
FA-1884
Air filter element
FL-500-S
Oil filter
BXT-65-750
Battery
SP-534
Spark plugs
FP-68
Cabin air filter
WW-2301 (driver side)
Windshield wiper blade
WW-2103 (passenger side)
WW-1202
Rear window wiper blade
We recommend Motorcraft replacement parts available at your Ford dealer or at
fordparts.com for scheduled maintenance. These parts meet or exceed Ford Motor
Company ’s specifications and are engineered for your vehicle. Use of other parts may
impact vehicle performance, emissions and durability. Your warranty may be void for any
damage related to use of other parts.
If a Motorcraft oil filter is not available, use an oil filter that meets industry performance
specification SAE/USCAR-36.
For spark plug replacement, contact an authorized dealer. Replace the spark plugs at the
appropriate intervals. See Scheduled Maintenance (page 447).
305
Flex (TP3) , enUSA, Edition date: 201801, Second Printing Capacities and Specifications

CAPACITIES AND SPECIFICATIONS - 3.5L DURATEC
Capacities
WARNING
The air conditioning refrigerant system contains refrigerant under high pressure.
Only qualified personnel should service the air conditioning refrigerant system.
Opening the air conditioning refrigerant system can cause personal injury.
Capacity
Item
6.0 qt (5.7 L)
Engine oil
13.2 qt (12.5 L)
Engine coolant
Between MIN/MAX on brake fluid reservoir
Brake fluid
10.9 qt (10.3 L)1
Automatic transmission fluid
2.43 pt (1.15 L)
Rear axle fluid (All Wheel Drive)
17.9 fl oz (0.53 L)
Power Transfer Unit (PTU) fluid (All Wheel
Drive)
Fill as required
Windshield washer fluid
18.6 gal (70.4 L)
Fuel tank
2.31 lb (1.05 kg)
A/C refrigerant
8.96 fl oz (265 ml)
A/C refrigerant compressor oil
1 Approximate dry fill capacity. Actual amount may vary during fluid changes.
308
Flex (TP3) , enUSA, Edition date: 201801, Second Printing Capacities and Specifications

Specifications
Materials
Specification
Name
WSS-M2C945-B1
Recommended motor oil (U.S.):
Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor
Oil
XO-5W20-QSP
WSS-M2C945-B1
Recommended Motor oil (Canada):
Motorcraft® SAE 5W-20 Super Premium Motor Oil
CXO-5W20-LSP12
WSS-M2C945-B1
Optional motor oil (U.S.):
Motorcraft® SAE 5W-20 Full Synthetic Motor Oil
XO-5W20-QFS
WSS-M2C945-B1
Optional Motor oil (Canada):
Motorcraft® SAE 5W-20 Synthetic Motor Oil
CXO-5W20-LFS12
WSS-M97B44-D2
Engine coolant (U.S.):
Motorcraft® Orange Prediluted Antifreeze/Coolant
VC-3DIL-B
WSS-M97B44-D2
Engine coolant (Canada):
Motorcraft® Orange Prediluted Antifreeze/Coolant
CVC-3DIL-B
WSS-M6C65-A2
Brake fluid:
Motorcraft® DOT 4 Low Viscosity (LV) High Performance
Motor Vehicle Brake Fluid
PM-20
WSS-M2C938-A
Automatic transmission fluid (U.S.):
MERCON® LV
Motorcraft® MERCON® LV Automatic Transmission Fluid
XT-10-QLVC
WSS-M2C938-A
Automatic transmission fluid (Canada):
MERCON® LV
Motorcraft® MERCON® LV Automatic Transmission Fluid
CXT-10-LV12
WSP-M2C197-A
Rear axle fluid (U.S.):
Motorcraft® SAE 80W-90 Premium Rear Axle Lubricant
XY-80W90-QL
WSP-M2C197-A
Rear axle fluid (Canada):
Motorcraft® SAE 80W-90 Premium Rear Axle Lubricant
CXY-80W90-1L
309
Flex (TP3) , enUSA, Edition date: 201801, Second Printing Capacities and Specifications

Specification
Name
WSL-M2C192-A
Power Transfer Unit (PTU) fluid (All Wheel Drive) (U.S.):
Motorcraft® SAE 75W-140 Synthetic Rear Axle Lubricant
XY-75W140-QL
WSL-M2C192-A
Power Transfer Unit (PTU) fluid (All Wheel Drive)
(Canada):
Motorcraft® SAE 75W-140 Synthetic Rear Axle Lubricant
CXY-75W140-1L
WSS-M14P19-A
Windshield washer fluid (U.S.):
Motorcraft® Premium Windshield Wash Concentrate
with Bitterant
ZC-32-B2
WSS-M14P19-A
Windshield washer fluid (Canada):
Motorcraft® Premium Quality Windshield Washer Fluid
CXC-37-(A, B, D, F)
WSH-M17B19-A
A/C refrigerant (U.S.):
Motorcraft® R-134a Refrigerant
YN-19
WSH-M17B19-A
A/C refrigerant (Canada):
R-134a Refrigerant
CYN-19-R
WSH-M1C231-B
A/C refrigerant compressor oil:
Motorcraft® PAG Refrigerant Compressor Oil
YN-12-D
ESB-M1C93-B
Multi-purpose grease:
Motorcraft® Multi-Purpose Grease Spray
XL-5-A
-
Lock cylinders (U.S.):
Penetrating and Lock Lubricant
XL-1
-
Lock cylinders (Canada):
Penetrating Fluid
CXC-51-A
310
Flex (TP3) , enUSA, Edition date: 201801, Second Printing Capacities and Specifications

If you use oil and fluids that do not meet
the defined specification and viscosity
grade, this may lead to:
•
Component damage which is not
covered by the vehicle warranty.
• Longer engine cranking periods.
• Increased emission levels.
• Reduced engine performance.
• Reduced fuel economy.
• Degraded brake performance.
We recommend Motorcraft® motor oil for
your vehicle. If Motorcraft® oil is not
available, use motor oils of the
recommended viscosity grade that meet
API SN requirements and display the API
Certification Mark for gasoline engines. Do
not use oil labeled with API SN service
category unless the label also displays the
API certification mark. An oil that displays this symbol conforms
to current engine, emission system and
fuel economy performance standards of
ILSAC.
Do not use supplemental engine oil
additives because they are unnecessary
and could lead to engine damage that may
not be covered by your vehicle warranty.
Note:
Ford recommends using DOT 4 Low
Viscosity (LV) High Performance Brake Fluid
or equivalent meeting WSS-M6C65-A2. Use
of any fluid other than the recommended
fluid may cause degraded brake
performance and not meet the Ford
performance standards. Keep brake fluid
clean and dry. Contamination with dirt,
water, petroleum products or other
materials may result in brake system
damage and possible failure.
Note: Automatic transmissions that require
MERCON® LV transmission fluid should
only use MERCON® LV transmission fluid.
The use of any other fluid may cause
transmission damage.
Alternative Engine Oil for
Extremely Cold Climates
To improve engine cold start performance,
we recommend that you use the following
alternative engine oil in extremely cold
climates, where the ambient temperature
reaches -22.0°F (-30°C) or below.
Materials Specification
Name
WSS-M2C947-B1
Motorcraft® SAE 0W-20 Premium Synthetic Blend Motor
Oil:
Engine Oil - SAE 0W-20
XO-0W20-QSP
311
Flex (TP3) , enUSA, Edition date: 201801, Second Printing Capacities and SpecificationsE142732

CAPACITIES AND SPECIFICATIONS - 3.5L ECOBOOST™
Capacities
WARNING
The air conditioning refrigerant system contains refrigerant under high pressure.
Only qualified personnel should service the air conditioning refrigerant system.
Opening the air conditioning refrigerant system can cause personal injury.
Capacity
Item
6.0 qt (5.7 L)
Engine oil
13.7 qt (13 L)
Engine coolant
Between MIN/MAX on brake fluid reservoir
Brake fluid
11.6 qt (11 L)1
Automatic transmission fluid
2.43 pt (1.15 L)
Rear axle fluid (All Wheel Drive)
17.9 fl oz (0.53 L)
Power Transfer Unit (PTU) fluid (All Wheel
Drive)
Fill as required
Windshield washer fluid
18.6 gal (70.4 L)
Fuel tank
312
Flex (TP3) , enUSA, Edition date: 201801, Second Printing Capacities and SpecificationsE240522