2023 FORD F650/750 transmission fluid

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

2
2-Speed Rear Axle.......................................134
A
A/CSee: Climate Control...........................................85About This Manual...........................................7
ABS
See: Brakes............................................................137ABS driving hintsSee: Hints on Driving With Anti-Lock
Brakes................................................................138
Accessories.....................................................315
Accessories
See: Replacement Parts
Recommendation.............................................17
ACCSee: Using Adaptive Cruise Control.............155Adjusting the Headlamps.........................247
Adjusting the Steering Wheel.....................51
Air Brakes.........................................................142
Air Conditioning
See: Climate Control...........................................85Air Conditioning System Capacity and
Specification - 6.7L Diesel....................300
Air Conditioning System Capacity and
Specification - 7.3L...................................301
Air Filter
See: Changing the Engine Air Filter - 6.7L
Diesel.................................................................228
See: Changing the Engine Air Filter -
7.3L.....................................................................230
Air Induction System Inspection............254
Air Suspension...............................................176
Appendices....................................................343
At a Glance.......................................................23
Audible Warnings and Indicators.............69
Audio Input Jack............................................313
Audio System...............................................309
General Information.........................................309Audio Unit......................................................309
Autolamps........................................................55
Automatic High Beam Control.................56
Automatic Transmission............................128
Automatic Transmission Fluid Capacity
and Specification.....................................302Automatic Transmission Fluid
Check.............................................................242
Auxiliary Power Points.................................95
Auxiliary Switches........................................315
Axle Inspection.............................................258
B
BatterySee: Changing the 12V Battery.....................246Bonnet LockSee: Opening and Closing the Hood..........220Booster Seats..................................................32
Brake Fluid Check........................................244
Brake Fluid Specification..........................303
Brakes................................................................137
General Information...........................................137Brake System Inspection..........................255
Breaking-In.....................................................186
Bulb Specification Chart...........................292
C
Canceling the Set Speed...........................162
Capacities and Specifications...............288
Car Wash
See: Cleaning the Exterior..............................263Catalytic Converter.......................................116
Changing a Bulb..........................................250
Changing a Fuse..........................................208
Changing a Road Wheel...........................284
Changing the 12V Battery.........................246
Changing the Engine Air Filter - 6.7L
Diesel.............................................................228
Changing the Engine Air Filter -
7.3L.................................................................230
Changing the Engine-Mounted and
Diesel Fuel Conditioner Module Fuel
Filters - 6.7L Diesel....................................251
Changing the Engine Oil and Oil
Filter...............................................................226
Changing the Wiper Blades.....................249
Charging a Device..........................................98
Checking the Wiper Blades.....................249
Child Restraint and Seatbelt
Maintenance.................................................44
Child Restraint Positioning.........................34
369
Index

Engine Oil Capacity and Specification -
7.3L.................................................................295
Engine Oil Check - 6.7L Diesel.................224
Engine Oil Check - 7.3L..............................225
Engine Oil Dipstick - 6.7L Diesel.............224
Engine Oil Dipstick - 7.3L...........................224
Engine Specifications - 6.7L
Diesel............................................................288
Engine Specifications - 7.3L....................289
Entering, Exiting or Climbing on This
Vehicle.............................................................20
Environment......................................................21
Essential Towing Checks..........................180
Event Data Recording
See: Data Recording.............................................13Exhaust Brake................................................143
Exhaust System Inspection.....................255
Export Unique Options................................20
Exterior Mirrors...............................................60
F
Fastening the Seatbelts..............................38
Federal Highway Administration
Regulation......................................................20
Fifth Wheel Operation.................................181
Flat Tire
See: Changing a Road Wheel.......................284Ford Credit..........................................................17
Ford Protect....................................................317
Frame and Tow Hook Inspection..........260
Front Seat Armrest........................................94
Fuel and Refueling.......................................105
Fuel Consumption.........................................113
Fuel Filter - 7.3L............................................249
Fuel Quality - Diesel....................................106
Fuel Quality - Gasoline..............................109
Fuel Shutoff...................................................189
Fuel Tank Capacity - Diesel.....................298
Fuel Tank Capacity - Gasoline...............299
Fuel Tank Selector Switch..........................114
Fuses................................................................200
Fuse Specification Chart..........................200
G
Gauges...............................................................63Gearbox
See: Transmission..............................................128General Driving Points................................183
General Information on Radio
Frequencies...................................................45
General Maintenance Information........319
Getting Assistance Outside the U.S. and
Canada..........................................................197
Getting the Services You Need...............194
H
HandbrakeSee: Parking Brake.............................................138Hazard Flashers............................................189
Headlamp Adjusting
See: Adjusting the Headlamps.....................247Headlamp Exit Delay....................................55
Headlamp Removal
See: Removing a Headlamp..........................250HeadrestSee: Head Restraints..........................................88Head Restraints..............................................88
Heated Exterior Mirrors................................87
Heating
See: Climate Control...........................................85Hill Start Assist...............................................141
Hints on Controlling the Interior
Climate...........................................................86
Hints on Driving With Anti-Lock
Brakes............................................................138
Hood Lock
See: Opening and Closing the Hood..........220Horn.....................................................................52
How Does the Pneumatic Locking
Differential Work........................................135
Hydraulic Power Steering Fluid Capacity
and Specification.....................................306
I
Ignition Switch..............................................100
In California (U.S. Only).............................195
Information Display Control.......................52
Information Displays.....................................70
General Information............................................70Information Messages..................................74
Installing Child Restraints...........................26
371
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