2015 FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS coolant

Ford Motor Company has recommendedmaintenance intervals for various partsand component systems based uponengineering testing. Ford Motor Companyrelies upon this testing to determine themost appropriate mileage for replacementof oils and fluids to protect your vehicle atthe lowest overall cost to you andrecommends against maintenanceschedules that deviate from the scheduledmaintenance information.
We strongly recommend the use of onlygenuine Ford, Motorcraft orFord-authorized re-manufacturedreplacement parts engineered for yourvehicle.
Additives and Chemicals
This owner's manual and the FordWorkshop Manual list the recommendedadditives and chemicals for your vehicle.We do not recommend using chemicals oradditives not approved by us as part ofyour vehicle’s normal maintenance. Pleaseconsult your warranty information.
Oils, Fluids and Flushing
In many cases, fluid discoloration is anormal operating characteristic and, byitself, does not necessarily indicate aconcern or that the fluid needs to bechanged. However, a qualified expert, suchas the factory-trained technicians at yourdealership, should inspect discolored fluidsthat also show signs of overheating orforeign material contaminationimmediately.
Make sure to change your vehicle’s oils andfluids at the specified intervals or inconjunction with a repair. Flushing is aviable way to change fluid for many vehiclesub-systems during scheduledmaintenance. It is critical that systems areflushed only with new fluid that is the sameas that required to fill and operate thesystem or using a Ford-approved flushingchemical.
Owner Checks and Services
Make sure you perform the following basicmaintenance checks and inspections everymonth or at six-month intervals.
Check every month
Engine oil level.
Function of all interior and exterior lights.
Tires (including spare) for wear and proper pressure.
Windshield washer fluid level.
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 strength.
Door weatherstrips for wear. Lubricate if necessary.
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Check every six months
Hinges, latches and outside locks for proper operation. Lubricate if necessary.
Parking brake for proper operation.
Safety belts and seat latches for wear and function.
Safety warning lamps (brake, ABS, airbag and safety belt) for operation.
Washer spray and wiper operation. Clean or replace blades as necessary.
Multi-point Inspection
In order to keep your vehicle running right,it is important to have the systems on yourvehicle checked regularly. This can helpidentify potential issues and prevent majorproblems. We recommend having thefollowing multi-point inspection performedat every scheduled maintenance intervalto help make sure your vehicle keepsrunning great.
Multi-point inspection
Horn operationAccessory drive belt(s)
Radiator, cooler, heater and A/C hosesBattery performance
Suspension component for leaks ordamageEngine air filter
Steering and linkageExhaust system
Tires (including spare) for wear and proper
pressure**Exterior lamps and hazard warning systemoperation
Windshield for cracks, chips or pitsFluid levels*; fill if necessary
Washer spray and wiper operationFor oil and fluid leaks
* Brake, coolant recovery reservoir, automatic transmission, power steering and windowwasher.**If your vehicle is equipped with a temporary mobility kit, check the tire sealant expirationUse By date on the canister. Replace as needed.
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Other maintenance items
Change engine coolant.*
Every 105000 miles(168000 km)Replace rear axle fluid.
Inspect accessory drive belt(s).**
Replace accessory drive belt(s) if not replaced within thelast 100000 miles (160000 km).Every 150000 miles(240000 km)Replace front wheel bearings and seals if non-sealedbearings are used.
Replace brake fluid.Every two years
* Initial replacement at six years or 105000 miles (168000 kilometers), then every threeyears or 45000 miles (72000 kilometers).** If not replaced, inspect every 15000 miles (24000 kilometers).
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About This Manual...........................................3Protecting the Environment................................3ABSSee: Brakes.............................................................33ABS driving hintsSee: Hints on Driving With Anti-LockBrakes..................................................................33AccessoriesSee: Replacement PartsRecommendation..............................................6Adjusting the Steering Wheel......................8Audible Warnings and Indicators..............15Fail-Safe Cooling Warning Chime...................15Headlamps On Warning Chime.......................15Key in Ignition Warning Chime..........................15Parking Brake On Warning Chime...................15Automatic Transmission.............................29Brake-Shift Interlock............................................31If Your Vehicle Gets Stuck In Mud orSnow....................................................................32Understanding the Positions of YourAutomatic Transmission..............................29Automatic Transmission FluidCheck...............................................................78Adjusting automatic transmission fluidlevels....................................................................79Automatic transmission fluid filter................79Correct fluid level..................................................78High fluid level.......................................................79Low fluid level........................................................78
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Brake Fluid Check...........................................79Hydroboost............................................................80Hydromax...............................................................80Parking brake fluid................................................81Brakes.................................................................33General Information............................................33Breaking-In.......................................................49
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California Proposition 65...............................5
Capacities and Specifications -6.8L..................................................................114Specifications.......................................................115Capacities and Specifications..................110Car WashSee: Cleaning the Exterior................................86Changing a Fuse.............................................70Fuses.........................................................................70Changing a Road Wheel............................106Dissimilar Spare Wheel and Tire AssemblyInformation......................................................106Tire Change Procedure.....................................107Changing the 12V Battery............................82Battery relearn.......................................................83Changing the Engine Air Filter...................84Cleaning the Alloy Wheels..........................87Cleaning the Engine......................................86Cleaning the Exterior....................................86Cleaning Plastic Exterior Parts.......................86Exterior Chrome...................................................86Stripes or Graphics (if equipped)..................86Underbody.............................................................86Coolant CheckSee: Engine Coolant Check...............................75Cruise Control....................................................8Principle of Operation.........................................35Cruise controlSee: Using Cruise Control..................................35Customer Assistance...................................55
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Daytime Running Lamps...............................11Direction Indicators..........................................11Driving Hints.....................................................49Driving Through Water.................................50DRLSee: Daytime Running Lamps...........................11
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Economical Driving.......................................49Emission Control System............................26On-Board Diagnostics (OBD-II)......................27Readiness for Inspection/Maintenance(I/M) Testing......................................................27
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Engine Coolant Check..................................75Adding Engine Coolant.......................................75Recycled Engine Coolant...................................76Severe Climates....................................................76What you Should Know About Fail-SafeCooling.................................................................77Engine Oil Check.............................................74Adding Engine Oil.................................................74Resetting the Oil Life MonitoringSystem.................................................................74Engine Oil Dipstick.........................................74Engine Specifications..................................110Drivebelt Routing.................................................110Essential Towing Checks............................44Before Towing a Trailer......................................46Hitches.....................................................................44Launching or Retrieving a Boat or PersonalWatercraft (PWC)..........................................46Safety Chains.........................................................45Trailer Brakes.........................................................45Trailer Lamps.........................................................45When Towing a Trailer.......................................46Export Unique Options...................................7Extended Service Plan (ESP)...................119SERVICE PLANS (CANADA ONLY).............120SERVICE PLANS (U.S. Only)...........................119
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Ford Credit...........................................................5(U.S. Only).................................................................5Fuel and Refueling.........................................22Fuel Consumption.........................................25Calculating Fuel Economy................................25Filling the Tank......................................................25Fuel Filter...........................................................82Fuel Quality......................................................23Choosing the Right Fuel.....................................23Octane Recommendations..............................23Fuses....................................................................61Fuse Specification Chart..............................61Diode and Relay Module....................................67Passenger Compartment Fuse Panel..........68Power Distribution Box.......................................61
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Gauges.................................................................12Engine Coolant Temperature Gauge.............13Engine Oil Pressure Gauge.................................12Fuel Gauge...............................................................13Speedometer..........................................................12Transmission Fluid TemperatureGauge....................................................................12General Maintenance Information..........121Multi-point Inspection.......................................123Owner Checks and Services...........................122Protecting Your Investment.............................121Why Maintain Your Vehicle?............................121Why Maintain Your Vehicle at YourDealership?.......................................................121Getting Assistance Outside the U.S. andCanada...........................................................58Getting the Services You Need.................55Away From Home................................................55
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HandbrakeSee: Parking Brake...............................................34Hazard Warning Flashers............................52Hints on Driving With Anti-LockBrakes..............................................................33
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Ignition Switch................................................20In California (U.S. Only)...............................56Information Displays......................................16General Information.............................................16Information Messages...................................17Engine........................................................................18Maintenance...........................................................18Transmission...........................................................19Instrument Cluster..........................................12Instrument Lighting Dimmer......................10Introduction........................................................3
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