brake FORD F650/750 2024 Workshop Manual

In these cases, the system may brake lateor unexpectedly. You should stay alert andtake action when necessary.
If something hits the front end of yourvehicle or damage occurs, theradar-sensing zone may change. This couldcause missed or false vehicle detection.
Optimal system performance requires aclear view of the road by thewindshield-mounted camera.
Optimal performance may not occur if:
•The camera is blocked.
•There is poor visibility or lightingconditions.
•There are bad weather conditions.
System Not Available
Conditions that can cause the system todeactivate or prevent the system fromactivating when requested include:
•A blocked sensor.
•High brake temperature.
•A failure in the system or a relatedsystem.
Blocked Sensor
A message displays if something obstructsthe radar signals from the sensor. Thesensor is in the lower grille. The systemcannot detect a vehicle ahead and doesnot function when something blocks thesensor.
Note:You cannot see the sensor. It isbehind a fascia panel.
Keep the front of your vehicle free of dirt,metal badges or objects. Vehicle frontprotectors and aftermarket lights may alsoblock the sensor.
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Possible causes and actions for a message displaying:
ActionCause
Clean the grille surface in front of the radarof remove the object causing the obstruc-tion.
The surface of the radar is dirty orobstructed
Wait a short time. It may take severalminutes for the radar to detect that it is freefrom obstruction.
The surface of the radar is clean but themessage remains in the display.
Do not use the system in these conditionsbecause it may not detect any vehiclesahead.
Heavy rain or snow is interfering with theradar signals
Do not use the system in these conditionsbecause it may not detect any vehiclesahead.
Water, snow or ice on the surface of theroad may interfere with the radar signals.
Wait a short time or switch to normal cruisecontrol.You are in a desert or remote area with notother vehicles and no roadside objects.
Due to the nature of radar technology, it is possible to get a blockage warning with noactual block. A false blocked condition either self clears, or clears after you restart yourvehicle.
Switching to Normal CruiseControl
WARNING: Normal cruise controlwill not brake when your vehicle isapproaching slower vehicles. Always beaware of which mode you have selectedand apply the brakes when necessary.
The cruise control indicator lightreplaces the adaptive cruisecontrol indicator light if youselect normal cruise control. The gapsetting does not display, and the systemdoes not respond to lead vehicles.Automatic braking remains active tomaintain set speed. You can change fromadaptive cruise control to normal cruisecontrol through the information display.
You can change from adaptive cruisecontrol to normal cruise control throughthe information display.
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STEERING
Hydraulic Power Steering
To help prevent damage to the powersteering system:
•Do not hold the steering wheel at itsfurthest turning points for more thanthree to five seconds when the engineis running.
•Avoid continuously steering back andforth with elevated engine RPM as thismay overheat the system. If trying tofree a stuck vehicle, pause betweenattempts to allow the power steeringsystem to cool or seek assistance.Typical steering and driving maneuversallow the system to cool.
•Do not operate the vehicle if the powersteering pump fluid level is below theMIN mark on the reservoir.
•Some noise is normal during operation.If excessive, check for low powersteering pump fluid level beforeseeking service by your dealer.
•Heavy or uneven efforts may be causedby low power steering fluid. Check forlow power steering pump fluid levelbefore seeking service by your dealer.
•Do not fill the power steering pumpreservoir above the MAX mark on thereservoir, as this may result in leaksfrom the reservoir.
If the power steering system breaks downor if you switch the engine off, you cansteer the vehicle manually, but it takesmore effort.
If you have any steering componentsserviced or replaced, install new fasteners.Many fasteners have coatings with threadadhesive, or have prevailing torquefeatures you cannot reuse. Do not reuse abolt or nut. Torque fasteners tospecifications.
Steering Tips
If the steering wanders or pulls, check for:
•An improperly inflated tire.
•Uneven tire wear.
•Loose or worn suspensioncomponents.
•Loose or worn steering components.
•Improper vehicle alignment.
Note:A high crown in the road or highcrosswinds may also make the steeringseem to wander or pull.
PRE-COLLISION ASSIST -
VEHICLES WITH: AIR BRAKES
WARNING: You are responsible forcontrolling your vehicle at all times. Thesystem is designed to be an aid and doesnot relieve you of your responsibility todrive with due care and attention. Failureto follow this instruction could result inthe loss of control of your vehicle,personal injury or death.
WARNING: The system does notdetect vehicles that are driving in adifferent direction, pedestrians, cyclistsor animals. Apply the brakes whennecessary. Failure to follow thisinstruction could result in the loss ofcontrol of your vehicle, personal injury ordeath.
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WARNING: The system is notdesigned to detect non-metallic objectsand does not reliably detect someobjects with limited metallic surfaces.For example, recreational vehicles,motorcycles and guard rails. Apply thebrakes when necessary. Failure to followthis instruction could result in the loss ofcontrol of your vehicle, personal injury ordeath.
WARNING: The system does notoperate during hard acceleration orsteering. Failure to take care may leadto a crash or personal injury.
WARNING: The system may notoperate properly during severe weatherconditions, for example snow, ice, heavyrain and spray. Always drive with duecare and attention. Failure to take caremay result in a crash.
WARNING: Some situations andobjects prevent hazard detection. Forexample low or direct sunlight, inclementweather, unconventional vehicle types,and pedestrians. Apply the brakes whennecessary. Failure to follow thisinstruction could result in the loss ofcontrol of your vehicle, personal injury ordeath.
WARNING: The system cannothelp prevent all crashes. Do not rely onthis system to replace driver judgmentand the need to maintain a safe distanceand speed.
WARNING: Take additional care ifyour vehicle is heavily loaded or you aretowing a trailer. These conditions couldresult in reduced performance of thissystem. Failure to follow this instructioncould result in the loss of control of yourvehicle, personal injury or death.
Using the Pre-Collision AssistSystem
If your vehicle is approaching a stationaryvehicle in your lane of travel, the systemprovides an Alert. Stationary vehicledetection is active at speeds aboveapproximately 10 mph (16 km/h).
If your vehicle is rapidly approachinganother vehicle traveling in the samedirection as yours, the system provides twolevels of functionality:
1.Alert.
2.Active Braking.
Alert: When active, a flashing visualwarning appears and an audible warningtone sounds.
Active Braking: Active Braking is activeat speeds above approximately 15 mph(24 km/h). Active braking may activate ifthe system determines that a collision isimminent. The system may help the driverreduce impact damage or avoid the crashcompletely.
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Radar Troubleshooting
ActionCause
Clean the grille surface in front of the radaror remove the object causing the obstruc-tion.
The surface of the radar in the grille is dirtyor obstructed in some way.
Wait a short time. It may take severalminutes for the radar to detect that thereis no obstruction.
The surface of the radar in the grille is cleanbut the message remains in the displayscreen.
The Pre-Collision Assist system is tempor-arily disabled. Pre-Collision Assist automat-ically reactivates a short time after theweather conditions improve.
Heavy rain, spray, snow or fog is interferingwith the radar signals.
The Pre-Collision Assist system is tempor-arily disabled. Pre-Collision Assist automat-ically reactivates a short time after theweather conditions improve.
Swirling water or snow or ice on the surfaceof the road may interfere with the radarsignals.
Contact an authorized dealer to have theradar checked for proper coverage andoperation.
Radar is out of alignment due to a front endimpact.
Note:If something hits the front end of yourvehicle or damage occurs and your vehiclehas a radar sensor, the radar sensing zonemay change. This could cause missed orfalse vehicle detections. Contact anauthorized dealer to have the radar checkedfor proper coverage and operation.
PRE-COLLISION ASSIST -
VEHICLES WITH: HYDRAULIC
BRAKES
WARNING: You are responsible forcontrolling your vehicle at all times. Thesystem is designed to be an aid and doesnot relieve you of your responsibility todrive with due care and attention. Failureto follow this instruction could result inthe loss of control of your vehicle,personal injury or death.
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WARNING: The system does notdetect vehicles that are driving in adifferent direction, pedestrians, cyclistsor animals. Apply the brakes whennecessary. Failure to follow thisinstruction could result in the loss ofcontrol of your vehicle, personal injury ordeath.
WARNING: The system does notoperate during hard acceleration orsteering. Failure to take care may leadto a crash or personal injury.
WARNING: The system mayoperate with reduced function duringcold and inclement weather conditions.Snow, ice, rain, spray and fog canadversely affect the system. Keep thefront camera and radar free of snow andice. Failure to follow this instruction mayresult in the loss of control of yourvehicle, serious personal injury or death.
WARNING: Some situations andobjects prevent hazard detection. Forexample low or direct sunlight, inclementweather, unconventional vehicle types,and pedestrians. Apply the brakes whennecessary. Failure to follow thisinstruction could result in the loss ofcontrol of your vehicle, personal injury ordeath.
WARNING: The system cannothelp prevent all crashes. Do not rely onthis system to replace driver judgmentand the need to maintain a safe distanceand speed.
WARNING: Take additional care ifyour vehicle is heavily loaded or you aretowing a trailer. These conditions couldresult in reduced performance of thissystem. Failure to follow this instructioncould result in the loss of control of yourvehicle, personal injury or death.
Using the Pre-Collision AssistSystem
The pre-collision assist system is active atspeeds above 3 mph (5 km/h).
If your vehicle is rapidly approachinganother stationary vehicle or a vehicletraveling in the same direction the systemprovides three levels of functionality:
1.Alert.
2.Brake support.
3.Active braking.
Alert: When active, a flashing visualwarning appears and an audible warningtone sounds.
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Brake support: Helps reduce the impactspeed by preparing the brakes for rapidbraking. The system does notautomatically apply the brakes. If you pressthe brake pedal, the system could applyadditional braking up to maximum brakingforce, even if you lightly press the brakepedal.
Active braking: May activate if the systemdetermines that a collision is imminent.The system may help the driver reduceimpact damage or avoid the crashcompletely.
Note:If you perceive pre-collision assistalerts as being too frequent, then you canreduce the alert sensitivity, though themanufacturer recommends using thehighest sensitivity setting where possible.Setting lower sensitivity would lead to fewerand later system warnings.
Distance Indication and Alert
Provides the driver with a graphicalindication of the time gap to otherpreceding vehicles traveling in the samedirection. The distance indication and alertscreen in the instrument cluster displayshows one of the following graphics.
If the time gap to a preceding vehicle issmall, a red visual indication displays.
Adjusting the Pre-Collision AssistSettings
You can adjust the following settings byusing the instrument cluster displaycontrols. See General Information (page71).
•You can change alert and distancealert sensitivity to one of three possiblesettings.
•You can switch distance indication andalert on or off.
•If required, you can switch activebraking on or off.
•If required, you can switch the entirepre-collision assist feature on or off.
Note:Active braking automatically turnson every time you switch the ignition on.
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AIR SUSPENSION
Note:Do not operate your vehicle withoutair in the suspension springs. Operating yourvehicle without air in the suspension springsdamages the suspension, degrades rideperformance and may cause propertydamage.
The air suspension system automaticallyadjusts to different loads to maintain aconstant frame height, allows for ease ofvehicle loading, provides improved vehicleride, and increased driver comfort.
Air Suspension Dump Button
Note:The suspension dumps air when theignition is in the accessory or on position,but fills only when the ignition is in the onposition.
A button located on the instrument panelcontrols the system. It operates only whenthe ignition is in the accessory or onposition and the air tanks have sufficientpressure to fill the air springs. When youturn off the ignition, the suspensionremains in whatever state it was last set.
Pressing and holding the button for twoseconds exhausts air from the air springs,lowering the frame for loading. Pressingand holding the button for two secondsfills the air springs so your vehicle remainsat normal ride height.
System Indicator Light
The air suspension indicator lightilluminates when using the button torelease air pressure in the rear air springs.Never drive your vehicle when the warninglamp is illuminated and there is low (or no)air pressure in the springs.
Connecting and Disconnecting aTrailer with Air Suspension and AirSuspension Dump Button
When connecting to a trailer:
•Press and hold the button for twoseconds to exhaust air from the airsuspension system.
•Press and hold the button for twoseconds, and then raise the landinggear after making the connection tothe trailer.
When disconnecting the trailer:
•Lower the landing gear, and then pressand hold the button for two seconds.
•Disconnect the brake hoses, trailer-sideand rear light connectors, then pull therelease lever on the fifth wheel.
You must fill the air springs beforeoperating with a trailer or operating in thebobtail mode.
Suspension Conversions
WARNING: When operating aloaded vehicle, the driver must keep alladjustable axles on the ground at alltimes, supporting their share of thevehicle’s load. Failure to do so canoverload other axles, tires, wheels,springs, steering components, brakesand frames, resulting in early componentfailure, loss of vehicle control, possibleproperty damage and personal injury.
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TOWING A TRAILER
WARNING: Do not exceedthe GVWR or the GAWRspecified on the certificationlabel.
WARNING: Towing trailersbeyond the maximumrecommended gross trailerweight exceeds the limit of thevehicle and could result in enginedamage, transmission damage,structural damage, loss ofvehicle control, vehicle rolloverand personal injury.
Your vehicle may have electricalitems, such as fuses or relays,related to towing. See Fuses(page 202).
Your vehicle's load capacitydesignation is by weight, not byvolume, so you cannot necessarilyuse all available space whenloading a vehicle.
Towing a trailer places an extraload on your vehicle's engine,transmission, axle, brakes, tiresand suspension. Inspect thesecomponents periodically during,and after, any towing operation.
Load Placement
To help minimize how trailermovement affects your vehiclewhen driving:
•Load the heaviest items closestto the trailer floor.
•Load the heaviest itemscentered between the left andright side trailer tires.
•Load the heaviest items abovethe trailer axles or just slightlyforward toward the trailertongue. Do not allow the finaltrailer tongue weight to goabove or below 10-15% of theloaded trailer weight.
When driving with a trailer orpayload, a slight takeoff vibrationor shudder may be present due tothe increased payload weight.Additional information regardingproper trailer loading and settingyour vehicle up for towing islocated in another chapter of thismanual. See Load Limit (page178).
You can also find information inthe RV & Trailer Towing Guideavailable at your authorizeddealer, or online.
RV & Trailer Towing Guide Online
http://www.fleet.ford.com/towing-guides/Website
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ESSENTIAL TOWING CHECKS
See Load limits in the Load Carryingchapter for load specification terms foundon the tire label and Safety Compliancelabel and instructions on calculating yourvehicle's load.
Remember to account for the trailertongue weight as part of your vehicle loadwhen calculating the total vehicle weight.
Hitches
Do not use a hitch that either clamps ontothe bumper or attaches to the axle. Youmust distribute the load in your trailer sothat 10-15% of the total weight of thetrailer is on the tongue.
Safety Chains
Note:Do not attach safety chains to thebumper.
Always connect the safety chains to theframe or hook retainers of your vehiclehitch.
To connect the safety chains, cross thechains under the trailer tongue and allowenough slack for turning tight corners. Donot allow the chains to drag on the ground.
Trailer Brakes
WARNING: Do not connect atrailer's hydraulic brake system directlyto your vehicle's brake system. Yourvehicle may not have enough brakingpower and your chances of having acollision greatly increase.
Electric brakes and manual, automatic orsurge-type trailer brakes are safe if youinstall them properly and adjust them tothe manufacturer's specifications. Thetrailer brakes must meet local and federalregulations.
The rating for the tow vehicle's brakingsystem operation is at the gross vehicleweight rating, not the gross combinedweight rating.
Trailer Lamps
WARNING: Never connect anytrailer lamp wiring to the vehicle's taillamp wiring; this may damage theelectrical system resulting in fire. Contactyour authorized dealer as soon aspossible for assistance in proper trailertow wiring installation. Additionalelectrical equipment may be required.
Trailer lamps are required on most towedvehicles. Make sure all running lights, brakelights, turn signals and hazard lights areworking.
Before Towing a Trailer
Practice turning, stopping and backing upto get the feel of your vehicle-trailercombination before starting on a trip.When turning, make wider turns so thetrailer wheels clear curbs and otherobstacles.
When Towing a Trailer
•Check your hitch, electrical connectionsand trailer wheel lug nuts thoroughlyafter you have traveled 50 mph(80 km/h).
•When stopped in congested or heavytraffic during hot weather, place thetransmission in park (P) or neutral (N)to aid engine and transmission coolingand to help air conditioningperformance.
•Turn off the speed control with heavyloads or in hilly terrain. The speedcontrol may turn off automaticallywhen you are towing on long, steepgrades.
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