2023 FORD SUPER DUTY service schedule

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Page 596 of 738

FORD SUPER DUTY 2023  Owners Manual We strongly recommend only using ourgenuine or our authorized re-manufacturedreplacement parts engineered for yourvehicle.
Additives and Chemicals
We do not recommend using chemicals oradditives not a

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FORD SUPER DUTY 2023  Owners Manual Be sure to ask your dealership serviceadvisor or technician about the multi-pointvehicle inspection. It is a comprehensiveway to perform a thorough inspection ofyour vehicle. Your checklist gives youi

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FORD SUPER DUTY 2023  Owners Manual If your instrument cluster display resetsprematurely or becomes inoperative, youshould perform the oil change interval atsix months or 5,000 mi (8,000 km) fromyour last oil change. Never exceed one ye

Page 601 of 738

FORD SUPER DUTY 2023  Owners Manual Multi-Point Inspection
Suspension components for leaks ordamageExhaust system
Steering and linkageExterior lamps operation
Tires including the spare for wear and
proper pressure2Fluid levels1; fill if

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FORD SUPER DUTY 2023  Owners Manual At Every Oil Change Interval as Indicated by the Instrument Cluster Display1
Inspect the engine and secondary cooling system coolant concentration freeze-pointprotection, level and the hoses.
Inspect

Page 607 of 738

FORD SUPER DUTY 2023  Owners Manual Other Maintenance Items
Change the transfer case fluid, if applicable.
Change the engine coolant.2At 200,000 mi(320,000 km)
1 If not replaced, inspect the belt or belts every 15,000 mi (24,000 km).2 I

Page 608 of 738

FORD SUPER DUTY 2023  Owners Manual Frequent or Extended Idling (Over 10 Minutes Per Hour of Normal Driving) or FrequentLow-speed Operation if your Vehicle is Used for Stationary Operation
Change the engine oil and filter as indicated b

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FORD SUPER DUTY 2023  Owners Manual Operating in Sustained Ambient Temperatures Below -9°F (-23°C) or Above 100°F (38°C)
Change the engine oil and filter as indicated by the instru-ment cluster display, and perform the services list
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