2021 Ford F-250 Super Duty Maintenance Schedule: Your Comprehensive Guide

The 2021 Ford F-250 Super Duty is a robust and capable workhorse, designed to tackle the toughest jobs. To ensure your F-250 continues to perform reliably for years to come, adhering to a comprehensive maintenance schedule is crucial. This guide, brought to you by an ASE-certified master technician at Repairius.com, will outline factory service intervals, discuss common issues, cover severe-duty adjustments, provide typical service costs, and highlight recall awareness.

Factory Recommended Service Intervals

Ford’s maintenance schedule for the 2021 F-250 Super Duty is designed to keep your truck in optimal condition. The intervals can vary slightly based on the engine (6.2L V8 gasoline, 7.3L V8 gasoline, or 6.7L Power Stroke V8 diesel), but here's a general breakdown. Always refer to your owner's manual for the most precise information.

Service Item	Interval (Miles)	Interval (Months)	Notes	Typical Cost Range
Engine Oil & Filter	7,500 – 10,000	6 – 12	Varies by engine type; refer to owner's manual.	$75 – $150
Tire Rotation	7,500 – 10,000	6 – 12	Essential for even tire wear.	$30 – $60
Multi-Point Inspection	7,500 – 10,000	6 – 12	Visual inspection of key components.	Included w/ service
Cabin Air Filter	20,000 – 30,000	24 – 36	Replace more frequently in dusty conditions.	$40 – $80
Engine Air Filter	30,000	36	More frequent replacement needed for off-road or dusty use.	$50 – $100
Fuel Filter (Gas)	30,000 – 60,000	36 – 72	Refer to owner's manual for specific interval.	$100 – $200
Fuel Filter (Diesel)	15,000 – 22,500	12 – 18	Crucial for protecting the fuel system.	$150 – $300
Brake Fluid	Every 3 years	N/A	Or as recommended based on inspection.	$100 – $150
Coolant Flush	100,000	60	Or as per owner's manual; can be longer for initial fill.	$200 – $400
Spark Plugs (Gas)	60,000 – 100,000	72 – 120	Specific interval depends on engine model.	$250 – $500
Transmission Fluid	100,000 – 150,000	120 – 180	Under normal conditions. Consult owner's manual for severe duty.	$300 – $600
Transfer Case Fluid	60,000 – 100,000	72 – 120	For 4x4 models.	$100 – $200
Axle Fluid (Front/Rear)	100,000 – 150,000	120 – 180	Consult owner's manual for severe duty.	$200 – $400
Drive Belt(s)	100,000	120	Inspect at every service; replace as needed.	$150 – $250

Note on Timing Belts/Chains: The 2021 Ford F-250 Super Duty utilizes a timing chain for all its engine options (6.2L V8, 7.3L V8, and 6.7L Power Stroke diesel). Timing chains are designed to last the life of the engine under normal operating conditions and typically do not require scheduled replacement. Regular oil changes are vital for chain longevity.

Known Issues and Common Problems for This Generation (2017-Present)

While the 2021 F-250 Super Duty is a relatively new vehicle in its current generation, certain trends and potential issues are worth monitoring based on previous model years in this generation (2017-present).

6.7L Power Stroke Diesel Engine: While generally robust, some owners have reported issues with the EGR system (Exhaust Gas Recirculation) and turbocharger issues at higher mileage. Maintaining proper fuel and oil filter changes, along with using high-quality diesel fuel and DEF (Diesel Exhaust Fluid), is paramount for the longevity of this engine.
**7.3L

2021 Ford F-250 Super Duty Maintenance Schedule