2021 Lincoln Nautilus
Vehicle Specs & Maintenance Data
The 2021 Lincoln Nautilus maintenance specs on this page cover the key fluids, torque values, and wear items you need for routine service. Use these numbers as a quick reference when performing oil changes, tire rotations, brake jobs, and other scheduled maintenance on your Lincoln Nautilus.
For oil changes, the 2021 Lincoln Nautilus takes 5W-20 Full Synthetic motor oil with a capacity of 5.7 quarts. Brake fluid type is DOT 3, the recommended coolant is Motorcraft Gold (OAT), and transmission fluid is Mercon LV. Always use the manufacturer-recommended fluids to maintain warranty coverage and engine longevity.
When mounting wheels on the Lincoln Nautilus, torque the lug nuts to 162 ft-lbs using a calibrated torque wrench. Over- or under-torquing can lead to warped brake rotors or loose wheels. Re-torque after 50 to 100 miles on newly installed wheels.
Owners of the 2021 Lincoln Nautilus have reported 5 common issues including "Engine Intake Valve Failure (2.7L/3.0L EcoBoost, Recall)", "Rearview Camera Image Delay/Freeze (Recall)" and "Transmission Rough Shifting and Rebuild". Scroll down to the Diagnostics tab for detailed descriptions, solutions, and estimated repair costs.
There are 2 NHTSA safety recalls on file for the 2021 Lincoln Nautilus. Check the Recalls tab below for full details.
Specifications on this page are compiled from multiple publicly available sources including manufacturer documentation, NHTSA data, and automotive databases. Always cross-reference with your owner's manual or official factory documentation before purchasing parts or performing any service.
The 2021 Lincoln Nautilus uses 5W-20 Full Synthetic motor oil (5.7 qt capacity), requires lug nuts torqued to 162 ft-lbs, takes DOT 3 brake fluid.
Manufacturer-recommended maintenance schedule for the 2021 Lincoln Nautilus. Always verify intervals against your owner's manual.
Enter a diagnostic trouble code to see causes, symptoms, and fixes for the 2021 Lincoln Nautilus.
Common problems reported by 2021 Lincoln Nautilus owners, with recommended fixes and estimated repair costs.
Engine Intake Valve Failure (2.7L/3.0L EcoBoost, Recall)
2021-2022 Nautilus vehicles equipped with the 2.7L or 3.0L Nano EcoBoost engine may experience engine intake valve breakage while driving, resulting in engine failure and complete loss of drive power. This is the same manufacturing defect affecting the Explorer and Aviator.
Ford issued a recall to perform an engine cycle test and replace the engine as necessary. Contact your dealer immediately. If you hear knocking, ticking, or experience sudden loss of power, pull over safely and have the vehicle towed. The repair is free of charge.
Est. Cost: Covered under recallRearview Camera Image Delay/Freeze (Recall)
A software error may cause the rearview camera image to delay, freeze, or not display when the vehicle is in reverse. Some owners report seeing a frozen image from a previous session rather than a live feed, reducing rear visibility.
Ford issued a recall for 2021-2023 Nautilus vehicles to update the camera system software. Contact your dealer to verify your VIN. The fix may also be available via an over-the-air software update.
Est. Cost: Covered under recallTransmission Rough Shifting and Rebuild
The 8-speed automatic transmission can develop increasingly rough automatic shifting over time, with harsh engagement and delayed gear responses. Some owners have required transmission rebuilds at relatively low mileage due to internal clutch pack and valve body wear.
Start with a transmission fluid flush using Lincoln-specified fluid and a TCM software recalibration. If internal damage is present, the valve body or torque converter may need replacement. Keep detailed service records for warranty claims.
Est. Cost: $200 - $400 for fluid and reprogram; $1,500 - $3,000 for valve body; $4,000 - $6,000 for rebuildClimate Control / AC Compressor Failure
Owners report AC compressor failures, blower motor malfunctions, and climate control system issues including the system blowing warm air on one side. Refrigerant leaks from the condenser and evaporator are also reported, requiring system recharge.
Have the dealer perform a full HVAC diagnostic including refrigerant pressure test and leak detection. Replace the AC compressor, condenser, or expansion valve as needed. If the blower motor is failing, it may need replacement along with the cabin air filter.
Est. Cost: $200 - $400 for refrigerant recharge; $800 - $1,500 for compressor; $300 - $600 for blower motorPremature Brake Pad/Rotor Wear and Pulsation
Front brake pads and rotors wear out prematurely on the Nautilus, and some owners report brake pedal pulsation and vibration when braking from highway speeds. The issue tends to recur even after rotor resurfacing.
Replace front brake pads and rotors together. Consider upgrading to premium ceramic pads and coated rotors for longer life. Ensure the caliper slide pins are properly lubricated to prevent uneven pad wear. Properly bed in new rotors and pads.
Est. Cost: $400 - $800 for front brake job2 NHTSA safety recalls for the 2021 Lincoln Nautilus. Check your VIN at NHTSA.gov
BACK OVER PREVENTION:SOFTWARE
Ford Motor Company (Ford) is recalling certain 2021-2024 Bronco, F-150, 2021-2024 Edge, 2022-2025 Escape, F-250, F-350, F-450, F-550, F-600, 2022-2024 Expedition, 2022-2025 Transit, 2021-2023 Mach-E, 2024 Ranger, Mustang, 2021-2023 Lincoln Nautilus, 2022-2024 Navigator, and 2023-2024 Corsair vehicles. A software error may cause the rearview camera image to delay, freeze, or not display when the vehicle is in reverse.
A frozen or missing rearview camera image can reduce the driver's view behind the vehicle, increasing the risk of a crash.
The accessory protocol interface module (APIM) software will be updated by a dealer or through an over-the-air update, free of charge. This will be a phased campaign, with the remedy becoming available in different phases based on model and model years. Interim letters notifying owners of the safety risk were mailed on June 26, 2025. Additional letters will be mailed once the final remedy is available on each phase. Owner notification letters were sent on October 8, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S49.
ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
Ford Motor Company (Ford) is recalling certain 2021-2022 Bronco, F-150, Edge, Explorer, Lincoln Nautilus, and Lincoln Aviator vehicles equipped with either a 2.7L or 3.0L Nano EcoBoost engine. The engine intake valves may break while driving, which can result in engine failure and a loss of drive power.
A loss of drive power increases the risk of a crash.
Dealers will perform an engine cycle test and replace the engine as necessary, free of charge. Owner notification letters were mailed July 3, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 24S55.