Complete OEM service intervals, DIY guides, parts list, and how-to videos for the 2021 Ford F-150.
Track Your Ford F-150 Free →| Maintenance Task | Interval |
|---|---|
| Engine Oil & Filter Change | Every 10,000 miles |
3.5L EcoBoost: Motorcraft SAE 5W-30 full synthetic, 6.0 qt. 5.0L V8: Motorcraft SAE 5W-20, 7.7 qt. 3.5L PowerBoost Hybrid: Motorcraft SAE 5W-30 full synthetic, 6.0 qt (hybrid cooldown required before oil change). 3.3L Ti-VCT V6 (2018-2021): Motorcraft SAE 5W-20 synthetic blend, 6.0 qt. Severe duty: 5,000 mi / 6 mo. | |
| Engine Air Filter Replacement | Every 30,000 miles |
Motorcraft FA-1883 (3.5L EB) or FA-1828 (5.0L). Inspect every 15,000 mi. | |
| Cabin Air Filter Replacement | Every 20,000 miles |
Motorcraft FP-90. | |
| Tire Rotation | Every 7,500 miles |
Rotate every other oil change. Inspect tread depth and wear patterns. | |
| Tire Pressure Check | Every 5,000 miles |
Check when cold. Follow door-jamb placard, not tire sidewall max. | |
| Brake Pad Inspection | Every 20,000 miles |
Inspect thickness. Replace at ≤3 mm friction material. Severe duty: inspect every 10,000 mi. | |
| Brake Fluid Exchange | Every 45,000 miles |
Motorcraft DOT 4 Low Viscosity. | |
| Coolant Exchange | Every 100,000 miles |
Motorcraft Premium Gold (yellow) or Motorcraft Antifreeze Engine Coolant VC-13DL-G (3.5L EB). 14.3 qt capacity. | |
| Transmission Fluid Change | Every 150,000 miles |
Normal duty: inspect at 150,000 mi, change if degraded. Severe duty (towing, off-road): change every 60,000 mi. 10R80 (2018+): Motorcraft ULV automatic transmission fluid, ≈11.5 qt total. 6R80 (2015-17): Motorcraft MERCON LV, ≈11.0 qt. | |
| Windshield Wiper Blade Replacement | Every 12,000 miles |
Replace when streaking, chattering, or cracking appears. | |
| Battery Inspection & Terminal Cleaning | Every 30,000 miles |
Clean terminals, check charge voltage (12.4V+ resting). Load-test after 3 years. | |
| Serpentine/Drive Belt Inspection | Every 30,000 miles |
Check for cracks, fraying, glazing. Replace per OEM schedule or at first signs of wear. | |
| Power Steering Fluid Check | Every 30,000 miles |
Top off if low. Investigate leaks. EPAS (electric) vehicles have no fluid. | |
| Fuel Filter Replacement | Every 50,000 miles |
Some modern vehicles have lifetime fuel filters in the tank. Verify before replacing. | |
| Spark Plug Replacement | Every 100,000 miles |
3.5L EcoBoost: Motorcraft SP-534 (CYFS12Y3C), gap 0.030″. 5.0L V8: Motorcraft SP-519, gap 0.052″. 3.5L PowerBoost: Motorcraft SP-580A (gap 0.030″). 3.3L V6: Motorcraft SP-547 (gap 0.050″). | |
| Suspension & Steering Inspection | Every 30,000 miles |
Check ball joints, tie rods, bushings, shocks/struts for play and leaks. | |
| Exhaust System Inspection | Every 45,000 miles |
Check for leaks, rust, loose hangers. Listen for changes in exhaust note. | |
| A/C System Check | Every 30,000 miles |
Verify A/C performance, check refrigerant level, inspect condenser for debris. | |
| Lubricate Door Hinges, Latches & Hood Striker | Every 15,000 miles |
White lithium grease or OEM-equivalent. Prevents squeaks and wear. | |
| Multi-Point Vehicle Inspection | Every 15,000 miles |
Comprehensive bumper-to-bumper check: lights, horn, belts, hoses, leaks, tire condition. | |
| Rear Differential Fluid Change | Every 150,000 miles |
Normal duty: first change at 150,000 mi, then every 60,000 mi. Severe duty (towing/off-road): 60,000 mi. Motorcraft SAE 75W-85 XL-3 or 75W-140 (heavy towing). Add Motorcraft XL-3 friction modifier if LS diff. Capacity ≈2.5 qt. | |
| Front Differential Fluid Change | Every 150,000 miles |
Normal duty: first change at 150,000 mi, then every 60,000 mi. Severe duty (towing/off-road): 60,000 mi. 4WD models: Motorcraft SAE 75W-85, capacity ≈1.5 qt. | |
| Transfer Case Fluid Change | Every 60,000 miles |
4WD: Motorcraft XL-12 transfer case fluid, ≈1.5 qt. | |
| PCV Valve Inspection | Every 100,000 miles |
Inspect PCV valve for sludge and proper rattle. 3.5L EcoBoost prone to PCV condensation in cold climates. Replace with Motorcraft BV6Z-6A666-A if clogged. | |
| 4WD System Inspection | Every 60,000 miles |
Inspect 4WD engagement, shift-on-the-fly, front axle vacuum actuator, and CV joints. Check for binding in turns. Severe duty (off-road): 30,000 mi. | |
| Half-Shaft Boot Inspection | Every 30,000 miles |
Inspect CV boot bellows for tears, cracks, or grease leakage. Torn boots require immediate CV joint service. Check both inner (transmission) and outer (wheel) boots. | |
| Parking Brake Inspection | Every 20,000 miles |
Test engagement on grade. Check cable travel and condition. Inspect rear caliper parking brake mechanism for seized levers. Adjust if more than 8 clicks to hold. | |
| Front Wheel Bearing Inspection | Every 30,000 miles |
Check for play, noise (humming/growling), and heat at hub center. 4WD and towing accelerate wear. Sealed hub assemblies — replace entire hub if worn. Severe duty: 15,000 mi. | |
Factory-recommended maintenance intervals directly from Ford's service schedule.
Exact parts and tools needed for each service, with direct Amazon purchase links.
Curated YouTube tutorials for every maintenance task, matched to your vehicle.
Automatic NHTSA safety recall notifications for your Ford F-150.
Log services, track mileage, and get reminders — all from your phone.
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