2023 FORD F650/750 coolant

Other Maintenance Items1
Note: When adding coolant additive, do not exceed the
specified maximum of 47 fl oz (1.4 L) for the engine and
20 fl oz (473 ml) for the secondary cooling system. Oper-
ating the engine with excessive coolant additive may cause
overheating which could lead to severe, permanent engine
damage.
Replace the air inlet foam filter. Every 45,000 mi
(72,000 km)
Inspect the accessory drive belt or belts.
4At 90,000 mi
(144,000 km)
Change the rear axle fluid. See Special Operating
Conditions Scheduled Maintenance (page 329).
5At 100,000 mi
(160,000 km)
Change the automatic transmission fluid and filter. Consult
an authorized dealer for requirements.
Every 150,000 mi
(240,000 km)Replace the accessory drive belt or belts if not replaced
within the last 100,000 mi (160,000 km).
Replace the front wheel bearings and seals.
Change the engine and secondary cooling system coolant.
6At 200,000 mi
(320,000 km)
1 You can perform these maintenance items within 3,000 mi (4,800 km) of the last oil
change. Do not exceed the designated distance for the interval.
2 Every 22,000 mi (36,000 km) or as indicated by the information display.3 Every 30,000 mi (48,000 km), 1200 engine hours or as indicated by the information
display.
4 Perform follow-up inspections every 15,000 mi (24,000 km) after the initial inspection.
Replace the belt or belts at 150,000 mi (240,000 km).
5 Change the fluid again at 150,000 mi (240,000 km).6 Initial replacement at 10 years or 200,000 mi (320,000 km), then every five years or
100,000 mi (160,000 km).
328
Scheduled Maintenance

Off-road Operation
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
Rotate the tires
1 and inspect them for wear, and measure
the tread depth. Every 7,500 mi (12,000 km)
1Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear.
Diesel Engine
If you operate your vehicle primarily in any
of the following conditions, you need to
perform extra maintenance as indicated.
If you operate your vehicle occasionally
under any of these conditions, it is not
necessary to perform the extra
maintenance. For specific
recommendations, see your dealership
service advisor or technician.
Towing a Trailer or Using a Car-top Carrier
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart. As required
See the axle maintenance items under Exceptions.
Replace the engine-mounted and frame-mounted fuel
filters. Every 15,000 mi
(24,000 km) or six months,
600 engine hours
Flush and refill the coolant. At 60,000 mi (96,000 km)
or 2400 engine hours
Note:After the initial coolant flush and fill at 60,000 mi (96,000 km) or 2400 engine
hours, flush and fill every 45,000 mi (72,000 km) or 1800 engine hours thereafter.
331
Scheduled Maintenance

Frequent or Extended Idling, Over 10 Minutes Per Hour of Normal Driving or Frequent
Low-speed Operation if You Use Your Vehicle for Stationary Operation
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart. As required
Replace the engine-mounted and frame-mounted fuel
filters. Every 15,000 mi
(24,000 km), six months or
600 engine hours
Inspect the coolant concentration, freeze-point protection
and additive, corrosion inhibitor strength. Add coolant
additive if necessary. Every 30,000 mi
(48,000 km) or 1200 engine
hours
Flush and refill the coolant. Do not add coolant additive. Every 60,000 mi
(96,000 km) or 2400
engine hours
Note:When adding coolant additive, do not exceed the specified maximum of 47 fl oz
(1.4 L) for the engine and 20 fl oz (473 ml) for the secondary cooling system. Operating the
engine with excessive coolant additive may cause overheating which could lead to severe,
permanent engine damage.
Note:After the initial coolant flush and fill at 60,000 mi (96,000 km) or 2400 engine
hours, flush and fill every 45,000 mi (72,000 km) or 1800 engine hours thereafter.
332
Scheduled Maintenance

Frequent Low-speed Operation, Consistent Heavy Traffic Under 25 mph (40 km/h) or
Long Rush-hour Traffic
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart. As required
Replace the engine-mounted and frame-mounted fuel
filters. Every 15,000 mi
(24,000 km), six months or
600 engine hours
Inspect the coolant concentration, freeze-point protection
and additive, corrosion inhibitor strength. Add coolant
additive if necessary. Every 30,000 mi
(48,000 km) or 1200 engine
hours
Flush and refill the coolant. Do not add coolant additive. Every 60,000 mi
(96,000 km) or 2400
engine hours
Note:When adding coolant additive, do not exceed the specified maximum of 47 fl oz
(1.4 L) for the engine and 20 fl oz (473 ml) for the secondary cooling system. Operating the
engine with excessive coolant additive may cause overheating which could lead to severe,
permanent engine damage.
Note:After the initial coolant flush and fill at 60,000 mi (96,000 km) or 2400 engine
hours, flush and fill every 45,000 mi (72,000 km) or 1800 engine hours thereafter.
333
Scheduled Maintenance

Sustained High-speed Driving at Gross Vehicle Weight Rating, Maximum Loaded Weight
for Vehicle Operation
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart. As required
Replace the engine-mounted and frame-mounted fuel
filters. Every 15,000 mi
(24,000 km), six months or
600 engine hours
Inspect the coolant concentration, freeze-point protection
and additive, corrosion inhibitor strength. Add coolant
additive if necessary. Every 30,000 mi
(48,000 km) or 1200 engine
hours
Flush and refill the coolant. Do not add coolant additive. Every 60,000 mi
(96,000 km) or 2400
engine hours
Note:When adding coolant additive, do not exceed the specified maximum of 47 fl oz
(1.4 L) for the engine and 20 fl oz (473 ml) for the secondary cooling system. Operating the
engine with excessive coolant additive may cause overheating which could lead to severe,
permanent engine damage.
Note:After the initial coolant flush and fill at 60,000 mi (96,000 km) or 2400 engine
hours, flush and fill every 45,000 mi (72,000 km) or 1800 engine hours thereafter.
Operating in Sustained Ambient Temperatures Below -9.4°F (-23°C) or Above 100.3°F
(38°C)
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart. As required
Replace the engine-mounted and frame-mounted fuel
filters. Every 15,000 mi
(24,000 km), six months or
600 engine hours
Operating in Dusty or Sandy Conditions, Such as Unpaved or Dusty Roads
Rotate the tires1, inspect the tires for wear and measure
tread depth. Every 7,500 mi (12,000 km)
Inspect the brake system pads and rotors.
Inspect the air filter restriction gauge. Replace the filter if
necessary.
334
Scheduled Maintenance

Child Safety......................................................24General Information............................................24Child Safety Locks.........................................35
Cleaning Products.......................................262
Cleaning the Engine...................................264
Cleaning the Exterior..................................263
Cleaning the Instrument Panel and
Instrument Cluster Lens........................266
Cleaning the Interior...................................265
Cleaning the Wheels..................................266
Cleaning the Windows and Wiper
Blades...........................................................265
Climate Control..............................................85
Cold Weather Precautions........................184
Connected Vehicle.....................................308
Connected Vehicle –
Troubleshooting...........................................308
Connecting the Vehicle to a Mobile Network
- Vehicles With: Modem............................308
Connected Vehicle Limitations..............308
Connected Vehicle Requirements........308
Connected Vehicle –
Troubleshooting.......................................308
Connected Vehicle – Frequently Asked
Questions........................................................308
Connecting a Bluetooth® Device...........312
Connecting the Vehicle to a Mobile
Network - Vehicles With:
Modem.........................................................308
Connecting FordPass to the Modem.........308
Enabling and Disabling the Modem..........308
What Is the Modem.........................................308
Coolant CheckSee: Engine Coolant Check - 6.7L
Diesel.................................................................233
See: Engine Coolant Check - 7.3L................238
Cooling System Capacity and
Specification - 6.7L Diesel.....................297
Cooling System Capacity and
Specification - 7.3L..................................298
Cruise Control................................................155
Cruise Control Indicators...........................162
Cruise Control - Vehicles With: Adaptive
Cruise Control................................................51
Cruise Control - Vehicles With: Cruise
Control..............................................................51
Customer Assistance..................................194Customer Information...............................338
Radio Frequency Certification
Labels................................................................338
D
Data Recording.................................................13
Daytime Running Lamps - Vehicles With:
Configurable Daytime Running
Lamps.............................................................56
Daytime Running Lamps - Vehicles With:
Daytime Running Lamps (DRL)............56
Diesel Exhaust Fluid Capacity and
Specification..............................................302
Diesel Particulate Filter...............................122
Direction Indicators........................................57
Doors and Locks.............................................48
Draining the Fuel Filter Water Trap - 6.7L
Diesel.............................................................232
Driver Alert......................................................163
Driving Aids.....................................................163
Driving Hints...................................................183
Driving Through Water................................187
DRL
See: Daytime Running Lamps - Vehicles With:
Configurable Daytime Running
Lamps..................................................................56
See: Daytime Running Lamps - Vehicles With:
Daytime Running Lamps (DRL)................56
E
Economical Driving......................................184
Electrical System Inspection...................254
Electromagnetic Compatibility..............343
Emission Law..................................................115
End User License Agreement.................346
Engine Block Heater....................................103
Engine Coolant Check - 6.7L
Diesel.............................................................233
Engine Coolant Check - 7.3L....................238
Engine Emission Control.............................115
Engine Idle Shutdown................................102
Engine Immobilizer
See: Passive Anti-Theft System.....................50Engine Oil Capacity and Specification -
6.7L Diesel...................................................292
370
Index