Automatic transmission fluid (6R100)
16.7 qt
15.8 L
Applies to: 6.2L
Owner’s manual specs
2018 Ford F-550 Specs: Oil Capacity, Fluids, Maintenance Schedule & Fuse Box
Figures for the 2018 Ford F-550, 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: 6.2L, 6.7L DIESEL, 6.8L. Figures that differ by engine say which engine they are for.
Fluids & capacities
6.2L
Automatic transmission fluid (6R140)
17.4 qt
16.5 L
Applies to: 6.2L
Automatic transmission fluid (Canada)
Motorcraft® MERCON LV Automatic Transmission Fluid CXT-10-LV12 / WSS-M2C938-A MERCON LV
Applies to: 6.2L; Automatic transmission fluid (Canada)
Automatic transmission fluid (U.S.)
Motorcraft® MERCON LV Automatic Transmission Fluid XT-10-QLVC / WSS-M2C938-A MERCON LV
Applies to: 6.2L; Automatic transmission fluid (U.S.)
Engine coolant
21.3 qt
20.2 L
Applies to: 6.2L
Engine oil (with oil filter)
7 qt
6.6 L
Applies to: 6.2L · with filter
6.7L DIESEL
Automatic transmission fluid
17.4 qt
16.5 L
Applies to: 6.7L DIESEL
Automatic transmission fluid (Canada)
Motorcraft® MERCON LV Automatic Transmission Fluid CXT-10-QLVC / WSS-M2C938-A MERCON LV
Applies to: 6.7L DIESEL; Automatic transmission fluid (Canada)
Automatic transmission fluid (U.S.)
Motorcraft® MERCON LV Automatic Transmission Fluid XT-10-QLVC / WSS-M2C938-A MERCON LV
Applies to: 6.7L DIESEL; Automatic transmission fluid (U.S.)
Engine and secondary cooling system coolant (Canada)
Motorcraft® Orange Prediluted Antifreeze/Coolant CVC-3DIL-B / WSS-M97B44-D2
Applies to: 6.7L DIESEL; Engine and secondary cooling system coolant (Canada)
Engine and secondary cooling system coolant (U.S.)
Motorcraft® Orange Prediluted Antifreeze/Coolant VC-3DIL-B / WSS-M97B44-D2
Applies to: 6.7L DIESEL; Engine and secondary cooling system coolant (U.S.)
Engine coolant (primary high-temperature cooling system loop)
35.1 qt
33.2 L
Applies to: 6.7L DIESEL
Engine coolant (secondary cooling system)
15.1 qt
14.3 L
Applies to: 6.7L DIESEL
Engine coolant additive (primary hightemperature cooling system loop)
47.3 fl oz
1.4 L
Applies to: 6.7L DIESEL
Engine coolant additive (secondary cooling system)
16 fl oz
473 mL
Applies to: 6.7L DIESEL
Engine oil (includes filter change)
13 qt
12.3 L
Applies to: 6.7L DIESEL · with filter
6.8L
Automatic transmission fluid
17.4 qt
16.5 L
Applies to: 6.8L
Automatic transmission fluid (Canada)
Motorcraft® MERCON LV Automatic Transmission Fluid CXT-10-LV12 / WSS-M2C938-A MERCON LV
Applies to: 6.8L; Automatic transmission fluid (Canada)
Automatic transmission fluid (U.S.)
Motorcraft® MERCON LV Automatic Transmission Fluid XT-10-QLVC / WSS-M2C938-A MERCON LV
Applies to: 6.8L; Automatic transmission fluid (U.S.)
Engine coolant
26.7 qt
25.3 L
Applies to: 6.8L
Engine coolant (Canada)
Motorcraft® Orange Prediluted Antifreeze/Coolant CVC-3DIL-B / WSS-M97B44-D2
Applies to: 6.8L; Engine coolant (Canada)
Engine oil (with oil filter)
7 qt
6.6 L
Applies to: 6.8L · with filter
Maintenance schedule
Normal service schedule
Use this for ordinary driving.
| Service | When |
|---|---|
| Change automatic transmission fluid and filter on 6-speed transmission. Consult dealer for requirements. | Every 150,000 mi(240,000 km) |
| Change the automatic transmission fluid and filter. Consult dealer for requirements. | Every 150,000 mi |
| Change the crankcase ventilation filter element if equipped. Dual rear wheel and incomplete chassis configurations only. Change the engine and secondary cooling system coolant. | Every 100,000 mi(160,000 km) |
| Change the engine oil and filter. | At Every Oil Change Interval as Indicated by the Information Display |
| Inspect the air filter restriction gauge. Replace the filter if necessary. | At Every Oil Change Interval as Indicated by the Information Display |
| Replace cabin air filter. | Every 15,000 mi(24,000 km) |
| Replace engine air filter. | Every 30,000 mi(48,000 km) |
| Replace the air inlet foam filter. | Every 45,000 mi(72,000 km) |
| Replace the cabin air filter. | Every 20,000 mi(32,000 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. Applies to: Off-road operation | Every 5,000 mi(8,000 km) |
| Change engine oil and filter. Applies to: Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use (Such as Delivery, Taxi, Patrol Car or Livery) | Every 5,000 mi(8,000 km) |
| Change engine oil and filter. Applies to: Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads) | Every 5,000 mi(8,000 km) |
| Change engine oil and filter. Applies to: Towing a Trailer or Using a Car-top Carrier | Every 5,000 mi(8,000 km) |
| Change the engine oil and filter as indicated by the information display, and perform the services listed in the scheduled maintenance chart. Applies to: Towing a Trailer or Using a Car-top Carrier | As required |
| Change the engine oil and filter. Applies to: Off-road Operation | Every 7,000 mi(12,000 km) |
| Change the engine oil and filter. Applies to: Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads) | Every 7,500 mi(12,000 km) |
| Inspect the air filter restriction gauge. Replace the filter if necessary. Applies to: Off-road Operation | Every 7,000 mi(12,000 km) |
| Inspect the air filter restriction gauge. Replace the filter if necessary. Applies to: Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads) | Every 7,500 mi(12,000 km) |
| Replace cabin air filter. Applies to: Off-road operation | 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 (Such as Delivery, Taxi, Patrol Car or Livery) | 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 (Such as Delivery, Taxi, Patrol Car or Livery) | Inspect frequently, service as required |
| Replace the air inlet foam filter. Applies to: Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads) | Every 30,000 mi(48,000 km) |
| Replace the engine-mounted and frame-mounted fuel filters. Applies to: Towing a Trailer or Using a Car-top Carrier | Every 15,000 mi(24,000 km) |
| Replace the engine-mounted and frame-mounted fuel filters. Applies to: Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads) | Every 15,000 mi(24,000 km) |
| Replace the engine-mounted and frame-mounted fuel filters. Applies to: Using Biodiesel, up to and Including 20% Biodiesel (B20) | Every 15,000 mi(24,000 km) |
| Replace the engine-mounted and frame-mounted fuel filters. Applies to: Frequent or Extended Idling (Over 10 Minutes Per Hour of Normal Driving) or Frequent Low-speed Operation if your Vehicle is Used for Stationary Operation | Every 15,000 mi(24,000 km) |
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. [Convenience]
- Press the right arrow button, then from this menu scroll to the following message. [Oil Life Reset]
Fuse box locations & fuse chart
Passenger Compartment Fuse Panel
Where to find it
Passenger Compartment Fuse Panel The fuse panel is in the right-hand side of the passenger footwell behind a trim panel.
To remove the trim panel, pull it toward you and swing it away from the side.
What each fuse protects
| Fuse | Amps | Protects | Source |
|---|---|---|---|
| 1 | — | Not used | p.324 |
| 2 | — | Memory seat switch (lumbar power) | p.324 |
| 3 | — | Driver door unlock relay | p.324 |
| 4 | — | Aftermarket electronic brake controller. Trailer brake controller Brake On/Off. Customer access circuits. | p.324 |
| 5 | — | Not used | p.324 |
| 6 | — | Not used | p.324 |
| 7 | — | Not used | p.324 |
| 8 | — | Driver window switch mirror fold | p.324 |
| 9 | — | Brake On/Off / Pressure Switch | p.324 |
| 10 | — | Not used | p.324 |
| 11 | — | Combined sense security module | p.324 |
| 12 | — | Front climate control module | p.324 |
| 13 | — | Instrument cluster. Smart data link. Steering column control module. | p.324 |
| 14 | — | Extended power restraints module | p.324 |
| 15 | — | Smart datalink connector power | p.324 |
| 16 | — | Tailgate release solenoid | p.324 |
| 17 | — | Head-up display | p.324 |
| 18 | — | Push button ignition switch. Ignition switch. Key inhibit. | p.324 |
| 19 | — | Transmission control switch (tow/haul). Select Shift switch. | p.324 |
| 20 | — | Active front steering module | p.325 |
| 21 | — | Head-up display. Humidity sensor. | p.325 |
| 22 | — | Upfitter switch. Run/Start. PTO relays. | p.325 |
| 23 | — | Accessory delay. Power windows. Moonroof. Power folding mirrors relay. Inverter. Window/moonroof switch illumination. | p.325 |
| 24 | — | Central locking system relay | p.325 |
| 25 | — | Left-hand front smart window motor. Door zone module. | p.325 |
| 26 | — | Right-hand front smart window motor. Door zone module. | p.325 |
| 27 | — | Moonroof | p.325 |
| 28 | — | Sony amplifier - 10 channel | p.325 |
| 29 | — | Not used | p.325 |
| 30 | — | Not used | p.325 |
| 31 | — | Adjustable pedals switch | p.325 |
| 32 | — | SYNC. GPS module. Display. Radio frequency receiver. | p.325 |
| 33 | — | Radio | p.325 |
| 34 | — | Run-start relay | p.325 |
| 35 | — | Extended power restraints module | p.325 |
| 36 | — | Lane keeping system. Automatic high beam control. Auto-dimming mirrors. Rear heated seats. Camera module. | p.326 |
| 37 | — | Heated steering wheel | p.326 |
| 38 | — | Rear power window switch | p.326 |
Power Distribution Box
Where to find it
The power distribution box is in the engine compartment.
What each fuse protects
| Fuse | Amps | Protects | Source |
|---|---|---|---|
| 1 | — | Powertrain control module | p.318 |
| 2 | — | Emissions - malfunction indicator lamp | p.318 |
| 3 | — | Cooling fan. A/C compressor. Engine brake. | p.318 |
| 4 | — | Noise suppression cap. Mass air flow sensor. Emissions. Glow plugs. Urea. | p.318 |
| 5 | — | Compressed natural gas fuel control module. Fuel sensor. | p.318 |
| 6 | — | Not used | p.318 |
| 7 | — | Not used | p.318 |
| 8 | — | Not used | p.318 |
| 9 | — | Not used | p.318 |
| 10 | — | Heated exterior mirrors | p.318 |
| 11 | — | Compressed natural gas relay | p.318 |
| 12 | — | Heated rear window | p.318 |
| 13 | — | Not used | p.318 |
| 14 | — | Powertrain control module relay | p.318 |
| 15 | — | Horn | p.318 |
| 16 | — | A/C clutch relay power | p.318 |
| 17 | — | Rear heated window and heated mirrors relay | p.318 |
| 18 | — | Trailer park lamp relay | p.318 |
| 19 | — | Not used | p.318 |
| 20 | — | Supplemental air heater bank #1 relay | p.319 |
| 21 | — | Not used | p.319 |
| 22 | — | Not used | p.319 |
| 23 | — | Not used | p.319 |
| 24 | — | Cooling fan relay. Supplemental air heater bank #3 relay. | p.319 |
| 25 | — | Glow plug module power relay | p.319 |
| 26 | — | Not used | p.319 |
| 27 | — | Trailer tow battery charge relay (if equipped) | p.319 |
| 28 | — | Not used | p.319 |
| 29 | — | Run-start relay | p.319 |
| 30 | — | 4x4 module | p.319 |
| 31 | — | Adaptive cruise control. Run-start. | p.319 |
| 32 | — | Anti-lock brake system module. Run-start. | p.319 |
| 33 | — | Powertrain control module - ignition status power run. Run-start. Engine control module. Transmission control module. | p.319 |
| 34 | — | Blind spot information system. Run-start. Front camera. Rear camera. | p.319 |
| 35 | — | Not used | p.319 |
| 36 | — | Blower motor relay | p.319 |
| 37 | — | Trailer tow battery charge relay (only on non-trailer brake controller vehicles) | p.319 |
| 38 | — | A/C compressor clutch relay | p.319 |
| 39 | — | Horn relay | p.320 |
| 40 | — | Supplemental air heater bank #2 relay | p.320 |
| 41 | — | Glow plugs | p.320 |
| 42 | — | Trailer tow lighting module (if equipped) | p.320 |
| 43 | — | Front blower motor | p.320 |
| 44 | — | Voltage quality. Body control module power. | p.320 |
| 45 | — | Active front steering | p.320 |
| 46 | — | Supplemental air heater bank #2 | p.320 |
| 47 | — | Cooling fan. Supplemental air heater bank #3. | p.320 |
| 48 | — | Body control module run power 1 bus | p.320 |
| 49 | — | Inverter | p.320 |
| 50 | — | Body control module run power 2 bus | p.320 |
| 51 | — | Body control module B+ feed | p.320 |
| 52 | — | Anti-lock brake system pump | p.320 |
| 53 | — | Supplemental air heater bank #1 | p.320 |
| 54 | — | Trailer brake control module | p.320 |
| 55 | — | Climate controlled seat module | p.320 |
| 56 | — | Auxiliary lighting module | p.320 |
| 57 | — | Power running boards | p.320 |
| 58 | — | Compressed natural gas fuel control module relay | p.320 |
| 59 | — | Anti-lock brake system valve | p.321 |
| 60 | — | Not used | p.321 |
| 61 | — | Driver power seat | p.321 |
| 62 | — | Auxiliary power point #1 (instrument panel) | p.321 |
| 63 | — | Starter motor | p.321 |
| 64 | — | Auxiliary power point #2 | p.321 |
| 65 | — | Trailer tow lighting module (if equipped) | p.321 |
| 66 | — | Auxiliary power point #3 (center console) | p.321 |
| 67 | — | Passenger power seat | p.321 |
| 68 | — | Auxiliary power point #4 (USB charger, rear center console) | p.321 |
| 69 | — | 4x4 module | p.321 |
| 70 | — | Auxiliary power point #5 (rear center console) | p.321 |
| 71 | — | Not used | p.321 |
| 72 | — | Trailer tow left hand/right hand stop/turn (if equipped, not present with trailer brake controller) | p.321 |
| 73 | — | Not used | p.321 |
| 74 | — | Not used | p.321 |
| 75 | — | Fuel pump | p.321 |
| 76 | — | Not used | p.321 |
| 77 | — | Wiper motor | p.321 |
| 78 | — | Not used | p.321 |
| 79 | — | Power sliding rear window | p.322 |
| 80 | — | 4x4 module | p.322 |
| 81 | — | 4x4 solenoid | p.322 |
| 82 | — | Power telescoping mirrors | p.322 |
| 83 | — | Rear heated seats | p.322 |
| 84 | — | Trailer tow backup lamps (if equipped) | p.322 |
| 85 | — | Not used | p.322 |
| 86 | — | Not used | p.322 |
| 87 | — | Not used | p.322 |
| 88 | — | Multi contour seats | p.322 |
| 89 | — | Not used | p.322 |
| 90 | — | Spot light module | p.322 |
| 91 | — | Upfitter interface module | p.322 |
| 92 | — | Not used | p.322 |
| 93 | — | Not used | p.322 |
| 94 | — | Transmission control module | p.322 |
| 95 | — | Powertrain control module keep alive power | p.322 |
| 96 | — | Rain sensor | p.322 |
| 97 | — | Run/Start control for Auxiliary power point #5 | p.322 |
| 98 | 10A | Alternator sense | p.323 |
| 99 | 30A | Trailer tow parking lamps | p.323 |