2015-2020 Ford F-150: Maintenance Schedule

Maintenance Schedule for 2015-2020 Ford F-150

Important data notes

• This guide synthesizes the real NHTSA complaint data provided (5 owner complaints for 2015-2020 Ford F-150) and general automotive maintenance knowledge.
• Recalls/TSBs: No recalls found in the NHTSA database for this make/model in the data you provided.
• Data limitations: The complaint sample is small (5 records) and not representative of all vehicles. It can highlight potential failure modes but should not replace factory recommendations or dealer guidance.

What the owner complaints suggest (context for maintenance)

• Emissions / cooling related issue (P0128) and related symptoms appeared in a 2016 case; suggests keeping cooling system in good order (thermostat, coolant, sensor health) to avoid thermostat/regulation problems.
• Misfire codes (P0302, P0300) and rough idle cases (2016, 2018, 2020) point to ignition, fuel delivery, or intake issues. Regular, clean ignition/fuel systems and proper air/fuel management help reduce misfires.
• No recalls found in the provided data; routine preventive maintenance is the primary defense against these issues.

Purpose of this schedule

• To help owners of 2015–2020 Ford F-150 plan preventive maintenance that minimizes unexpected failures, supports reliability, and addresses the kinds of issues seen in the data (cooling/thermostat-related concerns, misfires, emissions clues).
• Includes 2025 cost estimates for common maintenance items to help budgeting.

General maintenance philosophy

• Use the grade and specification recommended by Ford for your exact engine (e.g., 5W-20 full synthetic is common in many 2015–2020 F-150 engines). Always follow the owner’s manual and any dealer advisories for your specific engine/transmission combo.
• Regular inspections (belts, hoses, tires, brakes, fluids) are as important as replacement intervals.
• When in doubt, address diagnostic codes promptly (P0128, P0300, P0302) to prevent secondary damage (e.g., overheating, catalytic issues, misfire-related catalyst load).

Core maintenance schedule (by mileage)

Every 5,000–7,500 miles (or every 6 months, whichever comes first)

• Oil and oil filter replacement with the grade specified in your manual.
• Tire rotation to promote even wear; inspect tire condition.
• Fluid top-offs and checks (coolant, brake fluid, power steering, windshield washer).
• Visual inspection of belts, hoses, battery, lights, brakes, exhaust, and undercarriage for leaks or damage.
• Battery health check; verify charging system operation.

Every 10,000 miles (or per your oil-change interval)

• Replace cabin air filter if blocked or after 20,000 miles in dusty conditions (many owners replace every 20,000–30,000 miles under normal use; more often in harsh environments).
• Inspect engine air filter; replace if dirty or if there’s reduced airflow.

Every 15,000–30,000 miles

• Replace engine air filter if not done at 10k (or more frequently in dusty conditions).
• Inspect and adjust belts/tensioners if needed; replace serpentine belt if cracking or glazing is evident (typical life 60,000–100,000 miles depending on model and environment).
• Check and test battery and charging system.

Every 30,000 miles

• Transmission service (see notes below). Some Ford owners do transmission fluid and filter replacement every 60,000 miles; if towing or heavy use, service earlier per owner’s manual or dealer guidance.
• Coolant level, condition, and concentration check; top off with correct coolant if needed.

Every 45,000–60,000 miles

• Brake system inspection; replace brake fluid every 2 years (or per manual), and replace brake pads/rotors as needed.
• Inspect and service differential fluids (rear and front), especially if towing or doing severe-duty work. Typical interval ranges from 30,000–60,000 miles depending on usage.

Every 60,000 miles

• Spark plugs replacement. For most 2015–2020 F-150 engines (3.5L EcoBoost, 5.0 V8, 2.7L EcoBoost), spark plugs are typically rated for long life (often around 100,000 miles). If you’re at or near 60k and you’re experiencing misfires (P0301–P0304) or rough idle, or if the vehicle has heavy use, consider inspection and potential replacement around this point—some engines may go to 100k miles before replacement.
• Transmission service (if not done at 60k): replace transmission fluid and, if applicable, the filter according to your engine/transmission combination.
• Coolant flush if not already performed (often around 100,000 miles; some owners do at 60k–90k if coolant is suspect or older).

100,000 miles and beyond

• Spark plugs replacement (if not already done; many engines target 100,000 miles or more).
• Coolant replacement/flush (as recommended by manual or if coolant shows degradation).
• Differential fluids (front/rear) and transfer case fluid (if applicable) service as recommended by the manual.
• Full inspection of ignition system (coils, plugs, connectors) and fuel system components.

Specific drivetrain and component notes for the F-150 (2015–2020)

• Engine(s): Common engines in these years include the 2.7L EcoBoost, 3.5L EcoBoost, 5.0L V8. All use timing chains (not belts) in this generation; timing chains generally do not have a routine replacement interval unless you observe symptoms or chain wear.
• Transmission: Most models use automatic transmissions with conventional service intervals (check manual). Fluid and filter changes are often recommended around 60k–100k miles depending on use and model.
• 4x4 / Transfer case: If equipped, check transfer case fluid and front differential fluid on applicable intervals; towing or off-road use may justify more frequent service.
• Fuel system: Modern direct-injected engines can benefit from periodic fuel system cleaning if you notice rough idle, misfires, or reduced performance. Fuel filter service is not always a routine maintenance item on these models; if your engine uses a serviceable fuel filter, replace per manual or as needed.
• Emissions-related items: The P0128 complaint type suggests thermostat or cooling-system issues. Maintain cooling-system health (coolant level, thermostat operation, radiator cap, hoses, water pump), particularly in climates with wide temperature swings.
• Ignition and misfire concerns: P0300/P0302 may reflect ignition coils, spark plugs, fuel delivery, or air intake issues. Regular maintenance of ignition components, air/fuel delivery, and engine vacuum leaks helps reduce misfires.

Representative 2025 cost estimates (typical ranges; region and labor rates vary)

• Engine oil change (synthetic): $60–$120 (dealer often higher, independent shop typically lower)
• Oil/filter kit: included in service; plus tax
• Engine air filter: $20–$45
• Cabin air filter: $30–$60
• Tire rotation: $15–$40
• Serpentine belt replacement: $100–$200 (labor plus parts)
• Spark plug replacement (8 plugs, typical engine): $250–$600 depending on engine and labor
• Transmission service (fluid and filter, if applicable): $150–$350
• Coolant flush/replacement: $100–$180
• Differential fluid change (per axle): $60–$120
• Transfer case fluid (if 4x4): $60–$120
• Brake fluid flush: $60–$120
• Fuel system cleaning (optional): $80–$150

How to tailor this schedule to your vehicle

• Engine and drivetrain variant: If you know your exact engine (2.7 EcoBoost, 3.5 EcoBoost, or 5.0 V8), confirm service intervals for spark plugs, timing chain health, and cooling components with your owner's manual or a Ford service advisor.
• Driving environment: Dusty or sandy environments justify more frequent air filter replacement and more frequent tire inspections; heavy towing or frequent stop-and-go driving can increase the rate at which fluids degrade.
• Climate: Extremely hot or cold climates can stress cooling systems and battery life; monitor coolant, thermostat operation, battery condition, and charging system accordingly.
• Symptoms drive timing: If you notice coolant leaks, overheating, rough idle, misfires, poor start-up, or check engine lights, perform diagnostic checks promptly and consider proactive maintenance (thermostat, sensor tests, ignition coil checks, and fuel-system inspection).

Practical tips to minimize issues (based on observed complaints and general maintenance practice)

• Cooling system health: Since P0128 relates to coolant regulation, ensure coolant is the correct type and concentration, hoses are intact, radiator cap seals properly, thermostat opens/closes correctly, and water pump is not leaking. If you encounter repeated P0128 codes, a thermostat replacement and coolant system inspection are reasonable steps.
• Misfire prevention: Regularly replace ignition components as recommended (spark plugs per engine spec, inspect ignition coils, and replace fuel filters if applicable). Keep intake and vacuum lines clean and check for leaks that might contribute to misfires (P0300/P0302).
• Regular maintenance compliance: Adhere to the oil-change interval with the correct viscosity and specification, keep air and cabin filters clean, and maintain proper tire pressures and alignment to minimize uneven wear and improve fuel economy.
• Diagnostics: If a check engine light comes on (especially with P0300/P0302), pull codes and address cylinder misfire causes promptly to prevent catalytic converter damage.

Recalls and official notices

• Recalls/TSBs in the provided data: No recalls found in NHTSA database for this make/model.
• If you suspect a recall or TSB may apply to your vehicle, verify with Ford Roadside or your local dealer using your VIN, as some issues can be updated via TSBs not captured in a basic recall list.

Sample maintenance timeline (compact reference)

• 5k miles: Oil/filter, tire rotation, fluids check, lights/belts/hoses inspection.
• 10k miles: Air filter check/replace if needed; cabin air filter check.
• 15k–30k miles: Air filter replacement as needed; belt inspection; battery/charging system check.
• 30k miles: Transmission service (per manual), coolant level check, differential fluids inspection.
• 60k miles: Spark plugs inspection/replacement if due; transmission service if not already done; coolant flush if due; brake fluid check.
• 100k miles: Spark plugs replacement (if not done), coolant replacement, differential/transfer case fluids service, final inspection of ignition and fuel delivery systems.

Bottom line

• The 2015–2020 Ford F-150 benefits from a disciplined preventive maintenance routine focused on the oil/fuel/ignition/fueling systems and the cooling system. The five owner complaints in the data set point to thermostat/cooling and misfire considerations as notable failure modes to monitor, but no recalls are reported in the supplied data.
• Use the vehicle’s owner manual as the ultimate guide for interval timing, engine specifications, and service requirements. When in doubt, consult a Ford dealer or qualified technician, especially for spark plug replacement, timing-chain-related concerns, and transmission/fɛluid services.
• Budget planning: Use the 2025 cost ranges above to estimate annual maintenance expenses, adjusting for engine choice, driving conditions, and labor rates in your area.

Recalls/TSBs note

• No recalls found in NHTSA database for this make/model in the provided data. If you suspect a recall-related issue, verify with Ford using your VIN or check official Ford recall databases for the most current information.