Owner’s manual specs

2019 Ford Flex Specs: Oil Capacity, Fluids, Maintenance Schedule & Fuse Box

Figures for the 2019 Ford Flex, copied from Ford’s own owner’s manual. Every one links to the manual page it came from.

From the manufacturer’s manuals. Every figure here is copied from the manufacturer's own manual, with a link to the page it came from. Where a manual is unclear or contradicts itself, we leave the figure out.

Engines in this manual: 3.5L DURATEC, 3.5L ECOBOOST. Figures that differ by engine say which engine they are for.

Fluids & capacities

3.5L DURATEC

Automatic transmission fluid

10.9 qt

10.3 L

Applies to: 3.5L DURATEC

Source: Owner’s Manual Printing 2 (PDF), page 305

Automatic transmission fluid (Canada)

Motorcraft® MERCON® LV Automatic Transmission Fluid CXT-10-LV12 / WSS-M2C938-A MERCON® LV

Applies to: 3.5L DURATEC; Automatic transmission fluid (Canada)

Source: Owner’s Manual Printing 2 (PDF), page 306

Automatic transmission fluid (U.S.)

Motorcraft® MERCON® LV Automatic Transmission Fluid XT-10-QLVC / WSS-M2C938-A MERCON® LV

Applies to: 3.5L DURATEC; Automatic transmission fluid (U.S.)

Source: Owner’s Manual Printing 2 (PDF), page 306

Engine coolant

13.2 qt

12.5 L

Applies to: 3.5L DURATEC

Source: Owner’s Manual Printing 2 (PDF), page 305

Engine coolant (Canada)

Motorcraft® Orange Prediluted Antifreeze/Coolant CVC-3DIL-B / WSS-M97B44-D2

Applies to: 3.5L DURATEC; Engine coolant (Canada)

Source: Owner’s Manual Printing 2 (PDF), page 306

Engine coolant (U.S.)

Motorcraft® Orange Prediluted Antifreeze/Coolant VC-3DIL-B / WSS-M97B44-D2

Applies to: 3.5L DURATEC; Engine coolant (U.S.)

Source: Owner’s Manual Printing 2 (PDF), page 306

Engine oil

6 qt

5.7 L

Applies to: 3.5L DURATEC

Source: Owner’s Manual Printing 2 (PDF), page 305

3.5L ECOBOOST

Automatic transmission fluid

11.6 qt

11 L

Applies to: 3.5L ECOBOOST™

Source: Owner’s Manual Printing 2 (PDF), page 309

Engine coolant

13.7 qt

13 L

Applies to: 3.5L ECOBOOST™

Source: Owner’s Manual Printing 2 (PDF), page 309

Engine oil

6 qt

5.7 L

Applies to: 3.5L ECOBOOST™

Source: Owner’s Manual Printing 2 (PDF), page 309

Maintenance schedule

Normal service schedule

Use this for ordinary driving.

Service	When
Change engine oil and filter. Source: Owner’s Manual Printing 2 (PDF), page 446	At Every Oil Change Interval as Indicated by the Information Display
Replace cabin air filter. Source: Owner’s Manual Printing 2 (PDF), page 447	Every 20,000 mi(32,000 km)
Replace engine air filter. Source: Owner’s Manual Printing 2 (PDF), page 447	Every 30,000 mi(48,000 km)

Severe service schedule

Use this if you tow, idle a lot, drive short trips in the cold, or run in dust.

Service	When
Change engine oil and filter as indicated by the information display and perform services listed in the Normal Scheduled Maintenance chart. Applies to: Towing a trailer or using a car-top carrier Source: Owner’s Manual Printing 2 (PDF), page 448	As required
Change engine oil and filter. Applies to: Operating in off-road (unpaved, sandy, dusty) and Mountainous conditions Source: Owner’s Manual Printing 2 (PDF), page 449	Every 5,000 mi(8,000 km)
Replace cabin air filter. Applies to: Extensive idling or low-speed driving for long distances, as in heavy commercial use Source: Owner’s Manual Printing 2 (PDF), page 448	Inspect frequently, service as required
Replace engine air filter. Applies to: Extensive idling or low-speed driving for long distances, as in heavy commercial use Source: Owner’s Manual Printing 2 (PDF), page 448	Inspect frequently, service as required

Oil life & reset procedures

Oil change indicator reset

Before you start

Use the information display controls on the steering wheel to reset the oil change indicator.
From the main menu scroll to:

Steps

Press the right arrow button, then from this menu scroll to the following message. [Settings]
Press the right arrow button, then from this menu scroll to the following message. [Vehicle]
Press the right arrow button, then from this menu scroll to the following message. [Oil Life]
Press and hold the OK button until the instrument cluster displays the following message. Reset Successful [Hold OK to Reset]

You’ll know it worked: When the oil change indicator resets the instrument cluster displays 100%. Remaining Life {00}%

Source: Owner’s Manual Printing 2 (PDF), page 248

Fuse box locations & fuse chart

Passenger Compartment Fuse Panel

Where to find it

Passenger Compartment Fuse Panel The fuse panel is under the instrument panel to the left of the steering wheel.

to remove a trim panel to access it.

Source: Owner’s Manual Printing 1 (PDF), page 239

What each fuse protects

Fuse	Amps	Protects	Source
1	30A	Driver front power window	p.238
2	15A	Memory seat. Second row seats.	p.238
3	30A	Passenger side front window	p.238
4	10A	Demand lamps battery saver relay	p.238
5	20A	Audio amplifier Active noise control module	p.238
6	5A	Not used (spare)	p.238
7	7.5A	Driver seat module logic. Left front door zone module. Keypad.	p.238
8	10A	Power liftgate	p.238
9	10A	SYNC module. Electronic finish panel. Radio frequency transceiver module.	p.239
10	10A	Run accessory relay. Front wiper motor relay.	p.239
11	10A	Intelligent access module logic. Heads-up display.	p.239
12	15A	Puddle lamp. Backlighting LED. Interior lighting.	p.239
13	15A	Right-hand direction indicators	p.239
14	15A	Left-hand direction indicators	p.239
15	15A	Center high mounted stop lamp. Backup lamp.	p.239
16	10A	Right low beam headlamp	p.239
17	10A	Left low beam headlamp	p.239
18	10A	Third row power seats. Start button. Keypad illumination. Brake-shift interlock. Powertrain control module wake-up. Anti-theft system.	p.239
19	20A	Not used (spare)	p.239
20	20A	Locks	p.239
21	10A	Extended power module	p.239
22	20A	Horn relay	p.239
23	15A	Steering wheel control module logic. Instrument cluster.	p.239
24	15A	Steering wheel control module. Datalink.	p.239
25	15A	Liftgate release	p.239
27	20A	Intelligent access module power	p.240
28	15A	Not used (spare)	p.240
29	20A	Radio. Global positioning system module.	p.240
30	15A	Front park lamps. Trailer tow relay for park lamps. Front side markers.	p.240
31	5A	Trailer tow brake controller	p.240
32	15A	Smart window motors. Master window and mirror switch. Lock switch illumination. Moonroof. 110V AC power point. Interior rearview mirror.	p.240
33	10A	Not used (spare)	p.240
34	10A	Reverse park aid module. Rear heated seat module. Blind spot monitor module. Rear video camera. Interior mirror.	p.240
35	5A	Climate control humidity sensor. Heads-up display.	p.240
36	10A	Heated steering wheel	p.240
37	10A	Refrigerator	p.240
38	10A	Front passenger window switch	p.240
39	15A	High beams	p.240
40	10A	Rear park lamps. License plate lamps.	p.240
41	7.5A	Extended power module	p.240
42	5A	Not used (spare)	p.240
43	10A	Not used (spare)	p.240
44	10A	Not used (spare)	p.241
45	5A	Not used (spare)	p.241
46	10A	Climate control module	p.241
47	15A	Fog lamp relay power. Front direction indicators.	p.241
48	30A	Front passenger power window. Rear power windows.	p.241
49	—	Delayed accessory relay. Body control module.	p.241

Power Distribution Box

Where to find it

The power distribution box is in the engine compartment.

Source: Owner’s Manual Printing 1 (PDF), page 234

What each fuse protects

Fuse	Amps	Protects	Source
1	—	Fan relay 2	p.232
2	—	Fan relay 1	p.232
3	—	Trailer brake control module	p.232
4	—	Wipers. Washer pump.	p.232
5	—	Anti-lock brake system pump	p.233
6	—	Center console power point (without rear park aid)	p.233
7	—	Power liftgate	p.233
8	—	Moonroof	p.233
9	—	Second row console power point	p.233
10	—	Third row power seats relay	p.233
11	—	Heated rear window relay	p.233
12	—	Trailer tow battery charge relay	p.233
13	—	Starter motor relay	p.233
14	—	Cooling fan number 2 relay	p.233
15	—	Fuel pump relay	p.233
16	—	Not used	p.233
17	—	110V AC power point	p.233
18	—	Front blower motor relay	p.233
19	—	Starter relay	p.233
20	—	Storage bin power point	p.233
21	—	Instrument panel power point / cigar lighter	p.233
22	—	Third row seat module	p.233
23	—	Driver power seat. Memory module.	p.233
24	—	Trailer tow battery charge	p.233
25	—	Not used	p.233
26	—	Rear window defroster. Heated mirrors.	p.234
27	—	Cargo power point	p.234
28	—	Front heated and cooled seats	p.234
29	—	Front heated seats (without cooled seats)	p.234
30	—	Rear heated seats	p.234
31	—	Electric fan relay 3	p.234
32	—	Auxiliary blower motor relay	p.234
33	—	Cooling fan #1 relay	p.234
34	—	Front blower motor relay	p.234
35	—	Cooling fan (series) relay	p.234
36	—	Not used	p.234
37	—	Trailer tow right-hand stop/turn lamps relay	p.234
38	—	Trailer tow reverse lamps relay	p.234
39	—	Auxiliary blower motor	p.234
40	—	Not used	p.234
41	—	Not used	p.234
42	—	Passenger power seat	p.234
43	—	Anti-lock brake system valves	p.234
44	—	Windshield washer relay	p.234
45	—	Rain sensor	p.234
46	—	Canister vent solenoid (EcoBoost engines)	p.234
47	—	Washer pump	p.234
48	—	Front park lamps	p.235
49	—	Not used	p.235
50	—	Heated mirrors	p.235
51	—	Not used	p.235
52	—	Not used	p.235
53	—	Trailer tow left-hand stop/turn lamps relay	p.235
54	—	Not used	p.235
55	—	Wiper relay	p.235
56	—	Fuel injectors. Fuel pump relay.	p.235
57	—	Left-hand high intensity discharge headlamp	p.235
58	—	Alternator sensor	p.235
59	—	Brake on/off switch	p.235
60	—	Trailer tow back-up lamps	p.235
61	—	Not used	p.235
62	—	A/C clutch relay	p.235
63	—	Trailer tow stop/turn lamps	p.235
64	—	Rear wipers	p.235
65	—	Not used	p.235
66	—	Powertrain control module - vehicle power relay	p.235
67	—	Vehicle power #2 - oxygen sensor heater. Mass airflow sensor. Variable camshaft timing solenoid valve. Canister vent solenoid. Canister purge solenoid.	p.235
68	—	Vehicle power #4 (ignition coils)	p.236
69	—	Vehicle power 1 (powertrain control module)	p.236
70	—	Vehicle power #3 (coil) - A/C clutch relay. Fan control relay coils 1-3. Variable air conditioning compressor. Auxiliary transmission warmup. Turbo charge waste-gate control. Electronic compressor bypass valve. All-wheel drive module. Positive crankcase ventilation heater.	p.236
71	—	Not used	p.236
72	—	Not used	p.236
73	—	Not used	p.236
74	—	Not used	p.236
75	—	Not used	p.236
76	—	Not used	p.236
77	—	Trailer tow park lamps relay	p.236
78	—	Right high-intensity discharge headlamp	p.236
79	—	Not used	p.236
80	—	Not used	p.236
81	—	Not used	p.236
82	—	Rear washer	p.236
83	—	Not used	p.236
84	—	Trailer tow park lamps	p.236
85	—	Not used	p.236
87	—	Run/start relay	p.237
88	—	Run/start relay	p.237
89	—	Anti-lock brake system module	p.237
90	—	Powertrain control module run/start	p.237
91	—	Adaptive cruise control module	p.237
92	—	Front blower relay coil. Power steering module.	p.237
93	—	Auxiliary blower motor. Rear window defroster relay power. Battery charge relay.	p.237
94	—	Body control module run/start	p.237
95	—	Front passenger window switch	p.237
96	—	Not used	p.237
97	—	Not used	p.237
98	—	A/C clutch relay	p.237

More fuse pages in the manual

Diagrams and printed legends we can’t host. Check the box name printed on a diagram before counting positions.

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