check engine light FORD F650/750 2024 Owner's Manual

For detailed interval information, seeScheduled Maintenance in your Owner'sManual or your local maintenance guide.
POWER STEERING FLUID
CHECK
Check the power steering fluid. SeeScheduled Maintenance (page 325). Ifadding fluid is necessary, use onlyMERCON LV ATF
Check the fluid level when it is at ambienttemperature.
1.Check the fluid level in the reservoir. Itshould be between the MIN and MAXrange. Do not add fluid if the level iswithin this range.
2.If the fluid level is low, add fluid to bringthe fluid level up to between the MINand MAX range.
3.Switch the engine on.
4.While the engine idles, turn the steeringwheel left and right several times.
5.Switch the engine off.
6.Recheck the fluid level in the reservoir.Do not add fluid if the level is betweenthe MIN and MAX range.
7.If the fluid is low, add the proper typeof fluid in small amounts, continuouslychecking the level until it is betweenthe MIN and MAX range. SeeHydraulic Power Steering FluidCapacity and Specification (page312). Be sure to put the cap back on thereservoir.
CHANGING THE 12V BATTERY
WARNING: This vehicle may beequipped with more than one battery,removal of cable from only one batterydoes not disconnect the vehicleelectrical system. Be sure to disconnectcables from all batteries whendisconnecting power. Failure to do somay cause serious personal injury orproperty damage.
WARNING: Batteries normallyproduce explosive gases which cancause personal injury. Therefore, do notallow flames, sparks or lightedsubstances to come near the battery.When working near the battery, alwaysshield your face and protect your eyes.Always provide proper ventilation.
WARNING: When lifting aplastic-cased battery, excessive pressureon the end walls could cause acid to flowthrough the vent caps, resulting inpersonal injury and damage to thevehicle or battery. Lift the battery with abattery carrier or with your hands onopposite corners.
WARNING: Keep batteries out ofreach of children. Batteries containsulfuric acid. Avoid contact with skin,eyes or clothing. Shield your eyes whenworking near the battery to protectagainst possible splashing of acidsolution. In case of acid contact with skinor eyes, flush immediately with water fora minimum of 15 minutes and get promptmedical attention. If acid is swallowed,call a physician immediately.
Note:If your battery has a cover/shield,make sure it is reinstalled after the batteryhas been cleaned or replaced.
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingMaintenance

Check Every Month
Air filter restriction gauge.1
Engine oil level.
Fuel and water separator. Drain if necessary, or if indicated by the information display.1
Function of all interior and exterior lights.
Holes and slots in the tail pipe to make sure they are functional and clear of debris.1
Tires (including spare) for wear and proper pressure.
Windshield washer fluid level.
1Diesel engine only.
Check Every Six Months
Battery connections. Clean if necessary.
Body and door drain holes for obstructions. Clean if necessary.
Cooling system fluid level and coolant concentration (freeze-point protection).
Door weatherstrips for wear. Lubricate if necessary.
Hinges, latches and outside locks for proper operation. Lubricate if necessary.
Parking brake for proper operation.
Air brake adjustment.1
Seatbelts and seat latches for wear and function.
Safety warning lamps (brake, ABS, airbag and seatbelt) for operation.
Washer spray and wiper operation. Clean or replace blades as necessary.
1 Diesel engine only.
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingScheduled Maintenance

Rear Axle Maintenance
A rear axle fluid change or level check isnot required unless you suspect a leak orthe assembly has been submerged inwater. During long periods of trailer towingwith outside temperatures above 70°F(21°C), and at wide-open throttle for longperiods above 45 mph (72 km/h), changethe rear axle fluid every 24,000 mi(38,000 km) or three months, whichevercomes first.
California Fuel Filter Replacement
If you register your vehicle in California, theCalifornia Air Resources Board hasdetermined that the failure to perform thismaintenance item does not nullify theemission warranty or limit recall liabilitybefore the completion of your vehicle'suseful life. We, however, urge you to haveall recommended maintenance servicesperformed at the specified intervals andto record all vehicle service.
Hot Climate Oil Change Intervals
The normal oil change interval is 3,000 mi(5,000 km) for gasoline vehicles operatingin the Middle East, North Africa,Sub-Saharan Africa or locations withsimilar climates using American PetroleumInstitute (API) oils Certified for GasolineEngines and displaying the API CertificationMark. If API Certified Oils are not available,then it is acceptable to use API SM or SNoils. If API oils are not available, then theoil change interval is 1,750 mi (3,000 km).
Engine Air Filter Replacement
The life of the engine air filter is dependenton exposure to dusty and dirty conditions.Vehicles operated in these conditionsrequire frequent inspection andreplacement of the engine air filter andcabin air filter.
Diesel Particulate Filter
Over time, a slight amount of ash buildsup in the diesel particulate filter, which isnot removed during the regenerationprocess. The filter may need to be replacedwith a new or remanufactured part atapproximately 250,000 mi (400,000 km).Actual mileage varies depending on engineand vehicle operating conditions.
In this case, the engine control system setsa service light (wrench icon) to inform youto bring your vehicle to the dealer forservice. If there are any issues with theoxidation catalyst or particulate filtersystem, a service light (wrench or engineicon) sets by the engine control system toinform you to bring your vehicle into adealer for service.
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingScheduled Maintenance

Information Displays......................................71General Information.............................................71Information Messages..................................75Installing Child Restraints............................27Instrument Cluster........................................64Instrument Lighting Dimmer.....................56Instrument Panel............................................24Interior Lamps.................................................58Interior Mirror...................................................63Introduction.........................................................7
J
Jump Starting the Vehicle.........................190
K
Keys and Remote Controls........................46
L
Lane Keeping System..................................167Lighting Control..............................................55Lighting..............................................................55General Information............................................55Load Carrying.................................................178Load Limit........................................................178Locating the USB Ports...............................98Locking and Unlocking.................................49Lug NutsSee: Changing a Road Wheel........................287
M
Maintenance..................................................222General Information..........................................222Manual Climate Control..............................86Manual Seats....................................................91Message CenterSee: Information Displays..................................71MirrorsSee: Windows and Mirrors...............................60Mobile Communications Equipment.......17Motorcraft Parts - 6.7L Diesel.................293Motorcraft Parts - 7.3L...............................295
N
Noise Pollution Control................................22Normal Scheduled Maintenance..........330
O
Oil Change Indicator Reset......................229Oil CheckSee: Engine Oil Check.......................................227Opening and Closing the Hood..............223Ordering Additional Owner'sLiterature.....................................................200Overhead Console.......................................100
P
Parking Aids....................................................157Parking Brake.................................................140Passive Anti-Theft System..........................51PATSSee: Passive Anti-Theft System......................51Perchlorate........................................................15Playing Media From a USB Device.........318Playing Media Using the USB Port..........98Pneumatic Locking DifferentialIndicators......................................................138Pneumatic Locking Differential...............137Pneumatic Locking DifferentialPrecautions..................................................137Power Door LocksSee: Locking and Unlocking.............................49Power Seats.....................................................92Power Steering Fluid Check....................246Power Take-Off.............................................135Power Windows.............................................60Pre-Collision Assist - Vehicles With: AirBrakes.............................................................170Pre-Collision Assist - Vehicles With:Hydraulic Brakes.........................................173Protecting the Environment.......................22PunctureSee: Changing a Road Wheel........................287
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingIndex