2023 FORD F650/750 tires

Other Maintenance Items
Replace the engine air filter. Every 30,000 mi
(48,000 km)
Replace the front wheel bearing grease and grease seal
if you have non-sealed bearings. Every 60,000 mi
(96,000 km)
Replace the spark plugs.
Every 97,000 mi
(156,000 km)
Replace the spark plug wires.
Change the rear axle fluid. See Special Operating
Conditions Scheduled Maintenance (page 329).
Every 105,000 mi
(168,000 km)
Inspect the accessory drive belt or belts.
1
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 if you have
non-sealed bearings.
Change the engine coolant.
2Every 200,000 mi
(320,000 km)
1 If not replaced, inspect every 15,000 mi (24,000 km).2 Initial replacement at 10 years or 200,000 mi (320,000 km), then every five years or
100,000 mi (160,000 km).
Diesel Engine
Note:Do not exceed the mileage or time
intervals.
At Every Oil Change Interval as Indicated by the Information Display1
Change the engine oil and filter.2
Drain the fuel filter water trap.
Refill the diesel exhaust fluid tank.
Rotate the tires, inspect the tires for wear and measure the tread depth.
3
326
Scheduled Maintenance

SPECIAL OPERATING
CONDITIONS SCHEDULED
MAINTENANCE
Gasoline Engines
If you operate your vehicle primarily in anyof 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
Inspect and lubricate the U-joints. Inspect frequently, service
as required
See axle maintenance items under Exceptions.
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag. Every 5,000 mi (8,000 km)
Change the engine oil and filter. Every 5,000 mi (8,000 km)
or six months
Inspect and lubricate U-joints.
Rotate the tires
1and inspect them for wear, and measure
the tread depth. Every 7,500 mi (12,000 km)
Replace the spark plugs. Every 60,000 mi
(96,000 km)
Replace the spark plug wires.
1Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear.
Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use
(Such as Delivery, Taxi, Patrol Car or Livery)
Replace engine air filter. Inspect frequently, service
as required
Inspect the brake system. Every 5,000 mi (8,000 km)
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
Lubricate the control arm and steering ball joints if
equipped with grease fittings.
Inspect and lubricate U-joints. Every 5,000 mi (8,000 km)
or six months
329
Scheduled Maintenance

Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use
(Such as Delivery, Taxi, Patrol Car or Livery)
Change the engine oil and filter. Every 5,000 mi (8,000 km),
six months or 200 engine
hours
Rotate the tires
1 and inspect them for wear, and measure
the tread depth. Every 7,500 mi (12,000 km)
Replace the spark plugs. Every 60,000 mi
(96,000 km)
1Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear.
Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads)
Replace the engine air filter. Inspect frequently, service
as required
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag. Every 5,000 mi (8,000 km)
Change the engine oil and filter. Every 5,000 mi (8,000 km)
or six months
Inspect and lubricate U-joints.
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.
Off-road Operation
Inspect the steering linkage, ball joints and U-joints,
lubricate if equipped with grease fittings. Inspect frequently, service
as required
Replace the engine air filter.
Change the engine oil and filter. Every 5,000 mi (8,000 km)
or six months
330
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

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

Operating in Dusty or Sandy Conditions, Such as Unpaved or Dusty Roads
Inspect the steering and suspension ball joints and tie rods.
Lubricate any grease fittings.
Change the engine oil and filter.
2Every 7,500 mi (12,000 km),
six months or 300 engine
hours
Inspect and lubricate the U-joints.
Replace the engine-mounted and frame-mounted fuel
filters. Every 15,000 mi
(24,000 km), 6 months or
600 engine hours
Replace the air inlet foam filter. Every 30,000 mi
(48,000 km)
1Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear.
2Reset the Intelligent Oil-Life Monitor after engine oil and filter changes.
Off-road Operation
Inspect functional holes in each leg of the twin exhaust
tips and the holes under the shield just inboard of the right
rear tire to make sure they are clean and clear of debris or
foreign materials. Refer to the Vehicle Care chapter of your
owner’s manual for more information. As required
Inspect the steering and suspension ball joints and tie rods.
Lubricate any grease fittings.
Rotate the tires
1, inspect the tires for wear and measure
tread depth. Every 7,500 mi (12,000 km),
six months or 300 engine
hours
Inspect the brake system pads and rotors.
Inspect the air filter restriction gauge. Replace the filter if
necessary.
Change the engine oil and filter.
2Every 7,000 mi (12,000 km)
or 300 engine hours
335
Scheduled Maintenance

Rear Axle Fluid Check................................260
Rear Axle..........................................................134
General Information..........................................134Rear Seat Armrest.........................................94
Rear Seats.........................................................93
Recommended Towing Weights.............179
Refueling - Diesel..........................................110
Refueling - Gasoline.....................................112
Remote Control..............................................46
Removing a Headlamp.............................250
Repairing Minor Paint Damage..............266
Replacement Parts
Recommendation.........................................17
Replacing a Lost Key or Remote
Control.............................................................47
Reporting Safety Defects (Canada
Only)..............................................................199
Reporting Safety Defects (U.S.
Only)..............................................................198
Resuming the Set Speed...........................162
Roadside Assistance..................................188
Roadside Emergencies..............................188
Rollover Warning.........................................338
Running-In
See: Breaking-In..................................................186Running Out of Fuel - Diesel.....................110
Running Out of Fuel - Gasoline................110
S
Safety Precautions......................................105
Scheduled Maintenance............................319
Seatbelt Extensions......................................44
Seatbelt Height Adjustment.......................41
Seatbelt Reminder.........................................42
Seatbelts............................................................37
Principle of Operation.........................................37Seatbelt Warning Lamp and Indicator
Chime...............................................................42
Seats...................................................................88
Security..............................................................50
Selective Catalytic Reductant System -
Diesel...............................................................118
Setting the Cruise Control Speed...........161
Sitting in the Correct Position...................88
Snow Chains
See: Using Snow Chains.................................284
Spare WheelSee: Changing a Road Wheel.......................284Special Notices................................................18
Special Operating Conditions Scheduled
Maintenance...............................................329
Speed Control
See: Cruise Control - Vehicles With: Adaptive
Cruise Control.................................................155
See: Cruise Control - Vehicles With: Cruise
Control................................................................161
Spring U-Bolt Check..................................260
Stability Control.............................................151
Principle of Operation - Vehicles With: Air
Brakes.................................................................152
Principle of Operation - Vehicles With:
Hydraulic Brakes.............................................151
Starter SwitchSee: Ignition Switch..........................................100Starting a Gasoline Engine........................101
Starting and Stopping the Engine.........100
General Information.........................................100
Starting the Engine............................................102
Starting the Engine......................................102Starting a Diesel Engine...................................102Steering............................................................167
Steering System Inspection....................259
Steering Wheel.................................................51
Storage Compartments..............................99
Streaming Bluetooth Audio......................312
Sun Visors.........................................................62
Suspension System Inspection..............259
Switching Cruise Control On and
Off....................................................................161
Switching Off the Engine...........................102
Switching the Pneumatic Locking
Differential On and Off............................135
Symbols Glossary...........................................10
T
Technical SpecificationsSee: Capacities and Specifications............288The Better Business Bureau (BBB) Auto
Line Program (U.S. Only).......................196
Tire Care..........................................................269
Tires
See: Wheels and Tires.....................................269Towing a Trailer..............................................178
373
Index

Towing Points................................................193
Towing...............................................................178
Traction Control............................................149
Principle of Operation.......................................149Trailer Brakes..................................................145
Transmission..................................................128
Transporting the Vehicle............................192
U
Under Hood Overview - 6.7L
Diesel.............................................................222
Under Hood Overview - 7.3L....................223
USB Ports..........................................................97
USB Port..........................................................314
Using Adaptive Cruise Control.................155
Using Snow Chains.....................................284
Using Stability Control................................153
Using Traction Control - Vehicles With:
Air Brakes......................................................149
Using Traction Control - Vehicles With:
Hydraulic Brakes........................................149
Using Voice Recognition............................314
V
Vehicle Care...................................................262General Information.........................................262Vehicle Identification Number................307Locating the Vehicle Identification
Number.............................................................307
Vehicle Identification Number
Overview..........................................................307
Vehicle Identification..................................307Vehicle Identification Number......................307Vehicle Inspection Guide...........................210
Vehicle Inspection Information...............210
Vehicle Storage.............................................267
Ventilation
See: Climate Control...........................................85
W
Warning Lamps and Indicators................66
Washer Fluid Check....................................249
Washer Fluid Specification.......................301Washers
See: Cleaning the Exterior..............................263
See: Wipers and Washers.................................53
Waxing.............................................................264
What Is Cruise Control.................................161
What Is the Pneumatic Locking
Differential....................................................135
Wheel Nuts
See: Changing a Road Wheel.......................284Wheels and Tires.........................................269Technical Specifications.................................286Windows and Mirrors....................................59
Windshield Washers.....................................53
Windshield Wipers.........................................53
Wiper Blades
See: Checking the Wiper Blades..................249Wipers and Washers.....................................53
374
Index