coolant temperature FORD F650/750 2024 Owners Manual

SYMBOLS USED ON YOUR
VEHICLE
These are some of the symbols you maysee on your vehicle.
Airbag
Air conditioning system
Air conditioning system lubricanttype
Anti-lock braking system
Avoid smoking, flames or sparks
Battery
Battery acid
Blower motor
Brake fluid - non petroleumbased
Brake system
Brake system
Cabin air filter
Check fuel cap
Child safety door lock or unlock
Child seat lower anchor
Child seat tether anchor
Cruise control
Do not open when hot
Electric Parking brake
Engine air filter
Engine coolant
Engine coolant temperature
Engine oil
Explosive gas
Fan warning
Fasten seatbelt
Flammable
Front fog lamps
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingSymbols GlossaryE67017 E162384 E231157 E67020 E139220 E67021 E139227 E139209 E67024 E270480 E139223 E139211 E141128 E332905 E139219 E139212 E103308 E67022 E139221 E139228 E71880 E231160

GAUGES
2.3 Inch Display
Engine oil pressure gauge.A
Engine coolant temperature gauge.B
Fuel gauge.C
Transmission fluid temperature gauge.D
Speedometer.E
Information display. See General Information (page 71).F
Tachometer.G
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingInstrument ClusterE219638

8 Inch Display
Engine oil pressure gauge.A
Engine coolant temperature gauge.B
Fuel gauge.C
Configurable gauge.D
Speedometer.E
Information display. See General Information (page 71).F
Tachometer.G
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingInstrument ClusterE299699

Engine Oil Pressure Gauge
Indicates engine oil pressure. At normaloperating temperature, the level indicatoris in the normal range. If the pressure gaugefalls below the normal range, stop yourvehicle, switch off the engine and checkthe engine oil level. Add oil if needed. If theoil level is correct, have your vehiclechecked by an authorized dealer.
Engine Coolant TemperatureGauge
WARNING: Do not remove thecoolant reservoir cap when the engine ison or the cooling system is hot. Wait 10minutes for the cooling system to cooldown. Cover the coolant reservoir capwith a thick cloth to prevent thepossibility of scalding and slowly removethe cap. Failure to follow this instructioncould result in personal injury.
Indicates engine coolant temperature. Atnormal operating temperature, the levelindicator is in the normal range. If theengine coolant temperature exceeds thenormal range, stop your vehicle as soon aspossible, switch off the engine and let theengine cool.
Fuel Gauge
The fuel gauge indicates about how muchfuel is in the fuel tank.
The arrow adjacent to the fuel pumpsymbol indicates on which side of yourvehicle the fuel filler door is located.
Note:The fuel gauge may vary slightlywhen your vehicle is moving or on a slope.
Low Fuel Reminder
A low fuel level reminder displays andsounds when the distance to emptyreaches 50 mi (80 km),25 mi (40 km),10 mi (20 km) and 0 mi (0 km) for allvehicle keys.
Note:The low fuel reminder can appear atdifferent fuel gauge positions depending onfuel economy conditions. This variation isnormal.
Distance to Empty
Indicates the approximate distance yourvehicle can travel on the fuel remaining inthe tank. Changes in driving pattern cancause the value to not only decrease butalso increase or stay constant for periodsof time.
Configurable Gauge
Transmission Fluid Temperature Gauge
Indicates transmission fluid temperature.At normal operating temperature, the levelindicator is in the normal range. If thetransmission fluid temperature exceedsthe normal range, stop your vehicle as soonas possible and verify the airflow is notrestricted by snow or debris blockingairflow through the grille.
Special operating conditions such assnowplowing, towing, or off-road use maycause higher than normal operatingtemperatures. See Special OperatingConditions Scheduled Maintenance(page 335).
To lower the transmission temperatureinto the normal range, alter the severity ofyour driving conditions. Operating thetransmission for extended periods with thegauge in the higher than normal area maycause internal transmission damage. If thegauge continues to show hightemperatures, see an authorized dealer.
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingInstrument Cluster

Door Ajar
Displays when the ignition is onand any door is not completelyclosed.
Electronic Locking Differential (If
Equipped)
Illuminates when using theelectronic locking differential.
Engine Coolant Temperature
If it illuminates when your vehicleis moving, this indicates that theengine is overheating. Stop yourvehicle as soon as it is safe to do so andswitch the engine off. Have your vehiclechecked as soon as possible. See EngineCoolant Check (page 238).idk
Engine Oil Pressure
If it illuminates with the enginerunning, or when you are driving,this indicates a malfunction.Stop your vehicle as soon as it is safe todo so and switch off the engine. Check theengine oil level.
Note:Do not resume your journey if itilluminates despite the level being correct.Have the system checked as soon aspossible.
Exhaust Brake On (If Equipped)
The exhaust brake indicator lightilluminates when you switch theexhaust brake on.
Fasten Seatbelt
Illuminates and a tone soundsto remind you to fasten yourseatbelt.
High Beam
Illuminates when you switch onthe high beam headlamps. Itflashes when you use theheadlamp flasher.
Hydromax
If the light illuminates andremains on when the key is in theon position or the engine isrunning, this indicates inadequate hydraulicbooster pressure or reserve pump systemfailure. Stop the vehicle as soon aspossible and have your vehicle checked.
Low Fuel Level
Illuminates when the fuel levelis low or the fuel tank is nearlyempty. Refuel as soon aspossible.
Parking Brake Warning
Briefly illuminates when youswitch the ignition to the onposition, with the engine off. Italso illuminates when you apply theparking brake. If the park brake lamp doesnot illuminate at these times, seekimmediate service. Vehicles with the powerparking brake option: If the park brakewarning lamp begins to blink after settingthe parking brake, this may indicate afailure in the parking brake system. Havethe system checked as soon as possible.Driving extended distances with theparking brake engaged can cause brakefailure and the risk of personal injury.
Parking Lamps
Illuminates when you switch thelow beam headlamps or theparking lamps on.
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2.Put the transmission into neutral (N)and use the brakes to bring your vehicleto a safe stop.
3.When your vehicle has stopped, shiftinto park (P).
4.Apply the parking brake.
Guarding Against Exhaust Fumes
WARNING: Exhaust leaks mayresult in entry of harmful and potentiallylethal fumes into the passengercompartment. If you smell exhaustfumes inside your vehicle, have yourvehicle inspected immediately. Do notdrive if you smell exhaust fumes.
Important Ventilating Information
If you stop your vehicle and leave theengine idling for long periods of time, werecommend you either open the windowsat least 1 in (3 cm) or set the climatecontrol to outside air.
STARTING A DIESEL ENGINE
Read all starting instructions carefullybefore you start your vehicle.
The 6.7L diesel engine incorporates a delaybetween a crank command and starterengagement to crank the engine. Thisdelay ensures robust starting performancein all environmental conditions includingextreme cold. The crank command isinitiated by the operator by turning theignition key. The delay varies with enginecoolant temperature. There is no delay forhot coolant temperature. The delayincreases at colder coolant temperatures.Maximum delay of 2.5 seconds isexperienced below -13.0°F (-25°C).
Diesel Engine Fast Start Glow PlugSystem
The diesel engine glow system consists of:
•Eight glow plugs, one per cylinder.
•Glow plug control module.
•Engine coolant temperature sensor.
•Barometric pressure sensor.
•Environmental temperature sensor.
The powertrain and glow plug controlmodules electronically control the glowplug system. After you switch the ignitionon, the glow plug control moduleimmediately energizes the glow plugs. Theglow plug control module, using the enginecoolant temperature, barometric pressuresensor and environmental temperaturesensor, determines how long the glowplugs stay energized. The required time forthe glow plugs to be energized decreasesas the coolant temperature, barometricpressure and environmental temperatureincrease.
Before starting the engine, check thefollowing:
•Make sure all occupants fasten theirseatbelt.
•Make sure the headlamps andelectrical accessories are off.
•Make sure the parking brake is on.
•Make sure the transmission is in park(P) or neutral (N).
•Turn the ignition key to the on position.
Note:Do not press the accelerator duringstarting.
1.Fully press the brake pedal.
2.Turn the key to the start position tostart the engine. Release the key whenthe engine starts.
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ENGINE IDLE SHUTDOWN (IF
EQUIPPED)
WARNING: In the event of engineshutdown, make sure your vehicle issafely off the road and the problem isresolved before returning to the road.Failure to do so may result in a crash,serious injury or death.
This feature automatically shuts down theengine when it has been idling in park (P)or neutral (N) for an extended period,depending on the setting.
When the engine idle shutdown processhas started:
•A chime sounds and a messageappears in the information displayshowing a timer counting down from30 seconds.
•You can reset the timer by pressing thebrake pedal, accelerator pedal, or byshifting into another gear.
•If you do not intervene within 30seconds, the engine shuts down and amessage appears in the informationdisplay alerting you that the engine hasshut down.
•Shortly after the engine has shut down,the electrical system simulates a keyoff and even though the ignition is stillon, the electrical system simulates anormal accessory delay period beforeshutting down.
•You must switch the ignition off toreset the system before restarting yourvehicle.
The engine idle shutdown timer does notstart if:
•The engine is operating in batterycharge protect or power take-off mode.
•The exhaust emission control device isregenerating.
ENGINE BLOCK HEATER (IF
EQUIPPED)
WARNING: Failure to follow engineblock heater instructions could result inproperty damage or serious personalinjury.
WARNING: Do not use your heaterwith ungrounded electrical systems ortwo-pronged adapters. There is a risk ofelectrical shock.
WARNING: Do not fully close thehood, or allow it to drop under its ownweight when using the engine blockheater. This could damage the powercable and may cause an electrical shortresulting in fire, injury and propertydamage.
Note:The heater is most effective whenoutdoor temperatures are below 0°F(-18°C).
The heater acts as a starting aid bywarming the engine coolant. This allowsthe climate control system to respondquickly. The equipment includes a heaterelement (installed in the engine block) anda wire harness. You can connect thesystem to a grounded 120-volt ACelectrical source.
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingStarting and Stopping the Engine

Note:Do not blend used engine oil withdiesel fuel under any circumstances.Blending used oil with the fuel willsignificantly increase your vehicle’s exhaustemissions and reduce engine life due toincreased internal wear.
Using low sulfur diesel fuel(16-500 ppm) or high sulfurdiesel fuel (greater than 500ppm) in your diesel engine will causecertain emission components tomalfunction which may also cause theservice engine soon light to illuminateindicating an emissions-related concern.
Diesel fuel is adjusted seasonally for coldtemperature. For best results attemperatures below 19°F (-7°C), it isrecommended to use a diesel fuel whichhas been seasonally adjusted for theambient conditions.
Fuel Requirements - Choosing TheRight Fuel: Vehicles OperatedWhere Ultra Low Sulfur Diesel FuelIs Not Required
For the engine to operate reliably onlow-sulfur or high-sulfur diesel fuel, theengine must be a factory built high-sulfurengine (available as a dealer order optionfor select markets) or an ultra low sulfurdiesel fuel configured engine that has beenretrofitted for high-sulfur diesel fuel usingFord Motor Company dealer service parts.Failure to use retrofit components otherthan those available through yourauthorized dealer will result in coolantsystem damage, engine overheating,selective catalyst reduction system ordiesel particulate filter damage andpossible base engine damage.
Use only a diesel engine configured for usewith high sulfur diesel fuel in markets withdiesel fuel that has sulfur content greaterthan 15 ppm. Using low sulfur diesel fuel(16–500 ppm) or high sulfur diesel fuel(greater than 500 ppm) in a diesel enginedesigned to use only Ultra Low SulfurDiesel fuel may result in damage to engineemission control devices and theaftertreatment system, potentiallyrendering the vehicle inoperable.
Vehicles with engines configured for usewith high sulfur diesel fuel are onlyavailable for sale in countries where ultralow sulfur diesel fuel is generally notavailable or mandated by the government.Vehicles originally sold in a ultra low sulfurdiesel fuel market that are subsequentlyexported to non- ultra low sulfur diesel fuelmarkets will need to be retrofitted (at thecustomer’s expense using Ford authorizeddealer service parts) in order to be reliablyoperated on non- ultra low sulfur dieselfuel.
Biodiesel
WARNING: Do not mix diesel withgasoline, gasohol or alcohol. This couldcause an explosion.
Note:Do not use home heating oil,agricultural fuel, raw fats and oils, wastecooking greases, biodiesel fuels greater than20% or any diesel fuel not intended forhighway use. Red dye is used to identifyfuels intended for agricultural andnon-highway use. Damage to the fuelinjection system, engine and exhaustcatalyst can occur if an improper fuel isused.
You may operate your vehicle on dieselfuels containing up to 20% biodiesel, alsoknown as B20.
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingFuel and RefuelingE67028

VEHICLE INSPECTION
INFORMATION
To make sure your vehicle is ready tooperate, conduct a pre-trip inspection atthe beginning of each work period. Followthe steps listed in this section to verify aproper vehicle inspection procedure.
WARNING: Exercise great cautionwhen working on a vehicle equipped withan automatic fan clutch. The fan startsin motion only after the engine coolantreaches a predetermined temperatureor the refrigerant pressure (if equippedwith air conditioning) reaches apredetermined setting. The fan starts atthis point with no advance warning.Never reach near, or permit objects toprotrude into, the fan blade radius whilethe engine is running as this could resultin vehicle damage, personal injury ordeath.
WARNING: Do not operate thevehicle if any suspension conditionslisted in the following charts are evident.Loss of steering or suspension couldresult in property damage, personal injuryor death.
WARNING: If a wheel must bechanged, obtain expert tire service help.Mounting and un-mounting of tiresshould only be performed by a qualifiedtechnician using necessary safetyprocedures and equipment, otherwisethe result could be property damage,personal injury or death.
Note:Always make sure you apply theparking brake before starting the engine.
Engine compartment (with engine off)
Use the dipstick to verify the oil level is in the proper operatingrange. See Engine Oil Dipstick (page 227).Engine oil
Look through the plastic reservoir and verify the coolant levelis within the proper operating range. Do not remove thepressure cap until the coolant has cooled. See EngineCoolant Check (page 238).
Engine coolant
Verify that the fluid level is in the proper operating range. SeePower Steering Fluid Check (page 246).Power steering fluid
Remove the master cylinder caps and inspect the fluid level.See Brake Fluid Check (page 245).Brake fluid
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Follow your community’s regulations andstandards for recycling and disposing ofautomotive fluids.
Severe Climates
If you drive in extremely cold climates:
•It may be necessary to increase thecoolant concentration above 50%.
•A coolant concentration of 60%provides improved freeze pointprotection.Coolant concentrationsabove 60% decrease the overheatprotection characteristics of thecoolant and may cause enginedamage.
If you drive in extremely hot climates:
•You can decrease the coolantconcentration to 40%.
•Coolant concentrations below 40%decrease the freeze and corrosionprotection characteristics of thecoolant and may cause enginedamage.
Vehicles driven year-round in non-extremeclimates should use prediluted enginecoolant for optimum cooling system andengine protection.
Coolant Change
At specific mileage intervals, as listed inthe scheduled maintenance information,the coolant should be changed. Theinstrument cluster display may display amessage to change coolant at this time.Add prediluted coolant approved to thecorrect specification. See Capacities andSpecifications (page 291).
Engine-driven Cooling Fan (FanClutch)
Your vehicle may have an engine drivencooling fan drive (also called a fan clutch).This fan drive changes the fan speed tomatch the vehicle’s changing cooling airflow requirements. Fan speed, fan noiselevel and fuel consumption all increasebased on the driving conditions thatinclude trailer towing, hill climbing, heavyloads, high speed and high ambienttemperature, individually or in combination.
The fan drive is designed to provide theminimum fan speed (and resultingminimum fan noise and fuel consumption)required to meet the ever changing vehiclecooling air flow requirements. You can hearfan noise increasing and decreasing as theengine power requirements and vehicledriving conditions change as you drive. Thisis to be expected as being normal to theoperation of your vehicle. High levels of fannoise might also be heard when yourengine is first started, and should normallydecrease after driving for a short time.
ENGINE COOLANT CHECK -
7.3L
WARNING: Do not remove thecoolant reservoir cap when the engine ison or the cooling system is hot. Wait 10minutes for the cooling system to cooldown. Cover the coolant reservoir capwith a thick cloth to prevent thepossibility of scalding and slowly removethe cap. Failure to follow this instructioncould result in personal injury.
WARNING: Do not put coolant inthe windshield washer reservoir. Ifsprayed on the windshield, coolant couldmake it difficult to see through thewindshield.
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