2021 Lincoln Navigator Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 31 verified NHTSA owner complaints, 12 federal safety recalls, and interquartile failure mileage telemetry.
The 2021 Lincoln Navigator receives a 6.3/10 MazicBay Reliability Index based on 31 verified NHTSA federal complaints and 12 safety recalls. The primary reported failure mode is Engine Stalling, Oil Consumption & Cooling Defect Reports with a median failure point at 42,726 miles (IQR: 42,726 – 42,726 mi). Out-of-warranty repairs benchmark at $950 – $3,200 .
6.9 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
12 Active / Free Remedies
Top Reported Problem Clusters (7)
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“I purchased this 2021 Lincoln Navigator L Black Label used on March 22, 2024 with approximately 42,726mi. Beginning around Sept. 2025 (approximately 70,000-75,000 miles), the vehicle developed intermittent transmission failures that have progressively worsened. This is our pri...”
“The contact owns a 2021 Lincoln Navigator. The contact received notification of NTHSA Campaign Number: 25V455000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The local dealer was contacted. The dealer confirmed that the part was not...”
“While driving, the vehicle repeatedly hesitated during gear changes, lost power, and then abruptly jerked back into gear. This occurred intermittently for over a month without any warning messages, creating unpredictable and unsafe driving conditions. As the issue worsened, th...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“I purchased this 2021 Lincoln Navigator L Black Label used on March 22, 2024 with approximately 42,726mi. Beginning around Sept. 2025 (approximately 70,000-75,000 miles), the vehicle developed intermittent transmission failures that have progressively worsened. This is our pri...”
“While driving, the vehicle repeatedly hesitated during gear changes, lost power, and then abruptly jerked back into gear. This occurred intermittently for over a month without any warning messages, creating unpredictable and unsafe driving conditions. As the issue worsened, th...”
“Navigator transmission goes into neutral when accelerating at speeds of 50+. Trans completely overhauled. Still does it. Almost had 2 accidents when changing lanes on the freeway, trying to accelerate and instead slowing down with cars behind fast approaching . When trying to ...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“My screen intermittently goes black, I have had it repaired/ updated once prior and it still does this..as a result I backed into a mailbox. It was very dark and I couldn’t see out of my windows.”
“I am reporting a serious safety concern involving a 2021 Lincoln Navigator with factory equipment only. After snowfall, during factory remote start, the vehicle produced a hot/burning smell, and I observed visible melting and bubbling of multiple driver-side and passenger side...”
“I was driving about 40 miles per hour on an open road when I heard a very loud popping/explosion sound and falling glass. I immediately pulled over and found my panoramic sunroof had exploded and the glass was dropping into the cabin, most of it being caught by the interior su...”
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
- Sudden loss of propulsion power at highway speeds
- Extended engine cranking / failure to restart
- Fuel odor near fuel tank / engine bay
“The contact owns a 2021 Lincoln Navigator. The contact received notification of NTHSA Campaign Number: 25V455000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The local dealer was contacted. The dealer confirmed that the part was not...”
“The contact owns a 2021 Lincoln Navigator. The contact received notification of NHTSA Campaign Number: 25V455000 (FUEL SYSTEM, GASOLINE); however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not yet a...”
“The contact owns a 2021 Lincoln Navigator. The contact received notification of NHTSA Campaign Number: 25V455000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The dealer was not contacted. The contact stated that the recall was initi...”
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“Car purchased in Feb 2022. November 9, 2023 after a couple of previous complaints about the car riding rough, this time , after telling them the car jumps and throws into the next lane, it was diagnosed as having passenger rear leaking strut, front pinion seal leak, front driv...”
“A grinding noise was noticed during the driver memory function or when manually adjusting the power tilt or telescoping steering column. I took the car to Ford for service and was very surprised to hear that the entire steering column needs to be replaced at the cost of $1700....”
“The contact owns a 2021 Lincoln Navigator. The contact stated that while operating the vehicle, the power steering suddenly malfunctioned causing the steering wheel to become very difficult the turn in either direction. Additionally, the instrument panel display became distort...”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“I purchased this 2021 Lincoln Navigator L Black Label used on March 22, 2024 with approximately 42,726mi. Beginning around Sept. 2025 (approximately 70,000-75,000 miles), the vehicle developed intermittent transmission failures that have progressively worsened. This is our pri...”
“I am reporting a serious safety concern involving a 2021 Lincoln Navigator with factory equipment only. After snowfall, during factory remote start, the vehicle produced a hot/burning smell, and I observed visible melting and bubbling of multiple driver-side and passenger side...”
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“The contact owns a 2021 Lincoln Navigator. The contact stated that while operating the vehicle, the power steering suddenly malfunctioned causing the steering wheel to become very difficult the turn in either direction. Additionally, the instrument panel display became distort...”
Official NHTSA Safety Recalls (12)
AIR BAGS:SENSOR:SIDE IMPACT
Summary: Ford Motor Company (Ford) is recalling certain 2022 Super Duty F-250, F-350, 2021 F-150, Expedition, and Lincoln Navigator vehicles. The front-door side impact pressure sensor modules may have been damaged during supplier assembly, which can cause the side impact air bags to not deploy properly in a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 214, "Side Impact Protection."
VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES
Summary: Ford Motor Company (Ford) is recalling certain 2020-2021 F-150, Expedition, 2020-2022 Super Duty F-250, F-350, F-450, F-550, and 2020-2021 Lincoln Navigator vehicles. The windshield wiper arms may break, causing the windshield wipers to fail.
ENGINE
Summary: Ford Motor Company (Ford) is recalling certain 2021 Expedition and Lincoln Navigator vehicles. An engine compartment fire may occur while driving or parked, even with the ignition in the "Off" position.
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Summary: Ford Motor Company (Ford) is recalling certain 2018-2023 Expedition and Lincoln Navigator vehicles equipped with third-row seating; and 2019-2023 F-Super Duty F-250, F-350, F-450, and F-550 SuperCab vehicles. The owner's manual does not include instructions for adjusting or removing certain head restraints. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 202, "Head Restraints."
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Summary: Ford Motor Company (Ford) is recalling certain 2020-2023 Lincoln Aviator, 2018-2021 Lincoln Navigator, 2022-2023 Ford Transit, and 2021 Ford Bronco vehicles. The rearview camera, or 360-degree view camera if equipped, may not display a rearview image when the vehicle is placed in reverse.
EQUIPMENT:OTHER:LABELS
Summary: Ford Motor Company (Ford) is recalling certain 2020-2025 Explorer, Lincoln Aviator, 2020-2024 Escape, Lincoln Corsair, 2018-2024 F-150, Expedition and Lincoln Navigator vehicles. The air bag warning label may be missing from the dashboard. As such, these vehicles fail to comply with the requirement Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
BACK OVER PREVENTION:SOFTWARE
Summary: Ford Motor Company (Ford) is recalling certain 2018-2022 Transit Connect, 2019-2020 MKZ, MKX, Edge, Continental, F-150, Nautilus, Fusion, 2019-2023 Ranger, Mustang, 2020-2021 EcoSport, Expedition, Navigator, 2020-2022 Escape, F-250 SD, Corsair, 2020-2023 Aviator, Transit, 2020-2024 Explorer, 2021-2024 Bronco Sport, and 2022-2024 Maverick vehicles. A software error may cause the rearview camera to display a blank image, or the image may remain on the display after the backing event has ended.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Summary: Ford Motor Company (Ford) is recalling certain 2021-2023 Bronco, Explorer, Lincoln Aviator, F-250 SD, F-350 SD, F-450 SD, F-550 SD, 2021-2022 Lincoln Navigator, Mustang, F-150, and 2022 Expedition vehicles. The low-pressure fuel pump may fail, which can result in an engine stall while driving.
VISIBILITY:SUN/MOON ROOF ASSEMBLY
Summary: Ford Motor Company (Ford) is recalling certain 2021-2022 Expedition, Lincoln Navigator, 2021-2023 F-150, 2022 F-250 SD, F-350 SD, and F-450 SD vehicles. The moonroof wind deflector clips may be inadequately attached to the moonroof frame, which can result in the wind deflector detaching from the vehicle.
VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES
Summary: Ford Motor Company (Ford) is recalling certain 2021-2023 Lincoln Navigator, Expedition, and 2022-2023 F-250 SD, F-350 SD, F-450 SD, F-550 SD, and F-600 SD vehicles. The windshield wiper arms may break, causing the wipers to fail.
SEAT BELTS:PRETENSIONER
Summary: Ford Motor Company (Ford) is recalling certain 2018-2022 Expedition and Lincoln Navigator vehicles. The seat belt pretensioner in the driver and/or front passenger seat may inadvertently lock the seat belt, which will not allow the belt to retract or extend.
POWER TRAIN:AUTOMATIC TRANSMISSION
Summary: Ford Motor Company (Ford) is recalling certain 2018-2021 Navigator, Expedition, 2020-2021 Explorer, Lincoln Aviator, and 2021 F-150 vehicles. The transmission park pawl may engage while the vehicle is in motion, resulting in park system damage.
Pre-Purchase Inspection Checklist for 2021 Lincoln Navigator
Before purchasing a used 2021 Lincoln Navigator, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 12 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2021 Lincoln Navigator
Is the 2021 Lincoln Navigator a reliable used car?
The 2021 Lincoln Navigator earns a 6.3/10 MazicBay Reliability Index based on 31 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2021 Lincoln Navigator?
The leading complaint category is Engine Stalling, Oil Consumption & Cooling Defect Reports, with a median failure point around 42,726 miles (IQR: 42,726 – 42,726 mi).
Are there free recall repairs available for the 2021 Lincoln Navigator?
Yes, the NHTSA records 12 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.

