NHTSA FEDERAL EVIDENCE AUDITAudited: 2026-08-24

2018 Lincoln Navigator Common Problems & Defect Telemetry

Authoritative defect intelligence synthesized from 51 verified NHTSA owner complaints, 12 federal safety recalls, and interquartile failure mileage telemetry.

Data Grade: MEDIUM4 Odometer Verified EntriesMethodology
Executive AI Defect Summary

The 2018 Lincoln Navigator receives a 6/10 MazicBay Reliability Index based on 51 verified NHTSA federal complaints and 12 safety recalls. The primary reported failure mode is Transmission Hesitation, Hard Shifting & Slipping Reports with a median failure point at 70,000 miles (IQR: 45,00074,500 mi). Out-of-warranty repairs benchmark at $1,400 – $3,800 .

Lincoln Navigator PlatformLincoln Navigator Series
DLC Port: Under driver side dashboard kick panel

*Representative vehicle platform imagery. Body styling varies across generations.

MazicBay Reliability Index
6 / 10

11.3 complaints / 10k sold

NHTSA Owner Complaints
51

Verified US federal records

Safety Severity Grade
Critical Risk

Crash, fire & stall audit

Federal Safety Recalls
12

12 Active / Free Remedies

Switch Navigator Model Year (2014–2025)
Defect Clustering

Top Reported Problem Clusters (7)

Ranked by NHTSA Complaint Frequency
#1 TRANSMISSION & DRIVETRAINCritical Severity87% Match Confidence

Transmission Hesitation, Hard Shifting & Slipping Reports

21
Federal Complaints
Failure Mileage (Median):70,000 milesIQR: 45,00074,500 mi
Estimated Repair Cost:$1,400 – $3,800 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Hard gear shifts / delayed engagement into Drive/Reverse
  • Transmission shudder / jerking under acceleration
  • Transmission slipping between gears
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11758071 • Filed: 08/19/2026

I have experienced harsh shifting from gear 1 to 2 and as well from 2nd to 3rd gear. This results in delayed acceleration at expressway onramps and when turning into forward traffic. This is a known risk with unresolved recall 26S48 related to transmission parking system damma...

ODI #11747391 • Filed: 06/30/2026

The contact owns a 2018 Lincoln Navigator. The contact stated that while driving at 70 MPH, the transmission seized, and the vehicle failed to accelerate. The contact stated that several unknown warning lights were illuminated during the failure. Additionally, the brake warnin...

ODI #11729987 • Filed: 04/08/2026

1. transmission shifts hard and/or seems to shift to neutral and losing forward propulsion 2. or loud clunk followed by shuddering and no control 3. no control means unsafe driving conditions particularly if closer to other vehicles 4. dealer quoted some mumbo/jumbo about jump...

#2 ENGINE & COOLINGCritical Severity83% Match Confidence

Engine Stalling, Oil Consumption & Cooling Defect Reports

15
Federal Complaints
Failure Mileage (Median):29,489 milesIQR: 29,48929,489 mi
Estimated Repair Cost:$950 – $3,200 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Engine sudden stall / hesitation while driving
  • Abnormal oil burning / consumption
  • Check Engine Light (MIL) flashing
  • Engine overheating / coolant loss
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11751102 • Filed: 07/17/2026Odometer: 29,489 mi

We purchased a 2018 Lincoln Navigator L in 2022 with 29,489 miles, and it has been great. We are at 64,351 miles, and it is making the cold-start rattling noise. We have called Lincoln for assistance, and they are refusing to help. They stated that there is no help. I took it ...

ODI #11722940 • Filed: 03/09/2026

The vehicle has experienced repeated mechanical failures involving the engine, cooling system, drivetrain, and electronic systems. Documented failures include the navigation/APIM module, transmission jerking and drivability issues, transmission valve body concerns, cam phaser ...

ODI #11650309 • Filed: 03/24/2025

The same problem that is currently being reported by the NHTSA for the Ford F-150 has been happening to my Lincoln Navigator for the past few years. During higher-speeds (50 mpg and over) the auto will lurch forward as if trying to shift gears and has, on more than one occasio...

#3 ELECTRICAL SYSTEM & BATTERYCritical Severity82% Match Confidence

Electrical Parasitic Drain, Infotainment & Harness Reports

10
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$280 – $850 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Unexplained battery drain after sitting overnight
  • Infotainment display / instrument cluster blackouts
  • Accessory malfunction / alternator fault warnings
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11749952 • Filed: 07/13/2026

The other weekend, we were unloading the back of the Lincoln when all of a sudden the liftgate came down on us. Fortunately, we were able to back away in time... Later that weekend, my son was unloading the back and it came down and hit him in the head to the point it made him...

ODI #11722940 • Filed: 03/09/2026

The vehicle has experienced repeated mechanical failures involving the engine, cooling system, drivetrain, and electronic systems. Documented failures include the navigation/APIM module, transmission jerking and drivability issues, transmission valve body concerns, cam phaser ...

ODI #11691109 • Filed: 10/02/2025

The moonroof drain hoses are not secured and is known problem with other Navigator and Expedition owners. I became aware while troubleshooting why the liftgate would not open. The procedure to access the Rear Gate Trunk Module (RGTM) requires the removal of the 3rd row seats, ...

#4 STEERING & SUSPENSIONMedium Severity75% Match Confidence

Electric Power Steering Assist & Suspension Noise Reports

8
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$450 – $1,400 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of electric power steering assist
  • Steering wheel pull or highway wander
  • Clunking / knocking noise over bumps
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11706095 • Filed: 12/19/2025

Vehicle: 2018 Lincoln Navigator VIN: ... Component: Steering Mileage: 103899 Complaint Narrative: I recently purchased a 2018 Lincoln Navigator and took delivery on December 10, 2025. Within days of delivery, I observed a metallic contact noise originating from beneath the ste...

ODI #11699035 • Filed: 11/12/2025

The contact owns a 2018 Lincoln Navigator. The contact received notifications of NHTSA Campaign Numbers: 23V598000 (BACK OVER PREVENTION) and 25E070000 (POWER TRAIN); however, the part to do the recall repair on the Power Train was not yet available. The contact stated while d...

ODI #11690091 • Filed: 09/27/2025

The back up camera will randomly black out. The steering wheel motor is broke and the steering wheel does not adjust. Needed a new air conditioner motor, timing chain, had a transmission leak, wheel axel leak. This is a safety hazard and caused a huge financial strain.

#5 BRAKING SYSTEM & ABSLow Severity65% Match Confidence

Service Brakes, ABS Actuator & Master Cylinder Reports

3
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$350 – $1,100 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Spongy or hard brake pedal travel
  • ABS / Brake warning light illuminated
  • Extended stopping distance / pedal vibration
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11747391 • Filed: 06/30/2026

The contact owns a 2018 Lincoln Navigator. The contact stated that while driving at 70 MPH, the transmission seized, and the vehicle failed to accelerate. The contact stated that several unknown warning lights were illuminated during the failure. Additionally, the brake warnin...

ODI #11548381 • Filed: 10/05/2023

The contact owns a 2018 Lincoln Navigator. The contact stated that while driving at an undisclosed speed, a relative following behind in another vehicle became aware that the brake lights were inoperable. The vehicle was taken to the dealer. The vehicle was diagnosed with brak...

ODI #11453405 • Filed: 02/22/2022

The contact owns a 2018 Lincoln Navigator. The contact stated while the vehicle was in park and the key was not in the ignition while opening the front driver side door the vehicle started moving forward independently and down a hill. The contact jumped into the seat and depre...

#6 AIRBAGS & SAFETY RESTRAINTSLow Severity65% Match Confidence

Airbag Occupant Detection & Inflator Defect Reports

2
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$400 – $1,200 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • SRS Airbag warning lamp illuminated
  • Passenger occupant classification sensor failure
  • Seat belt retractor lockup
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (2)
ODI #11662003 • Filed: 05/19/2025

MAY 19 2025 MY WIFE WENT TO A LOCAL BAKERY TO GET SOME BREAD, WHEN SHE PUT THE VEHICLE IN PARKING A LOUD BANG IN HER LEFT SIDE WAS HEARD SHE DESCRIBE IT AS A GUNSHOT NOISE, ALSO BURNING SMELL AS FIREWORKS, THE SEATBEALT RETRACTED HURTING HER CHEST AND PART OF THE NECK, SHE DID...

ODI #11631398 • Filed: 12/18/2024

The passenger side seatbelt will not retract or move (Locked in position that will not allow the passenger to buckle the belt)

#7 FUEL SYSTEM & INJECTIONLow Severity83% Match Confidence

Fuel Pump Pressure Loss & Fuel Delivery Defect Reports

1
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 mi
Estimated Repair Cost:$650 – $1,250 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of propulsion power at highway speeds
  • Extended engine cranking / failure to restart
  • Fuel odor near fuel tank / engine bay
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (1)
ODI #11509678 • Filed: 03/01/2023

The contact owns a 2018 Lincoln Navigator. The contact stated while driving at an undisclosed speed, the vehicle lost motive power with the check engine warning light illuminated. The failure nearly caused a collision. The contact was able to restart the vehicle. The vehicle w...

Safety Enforcement

Official NHTSA Safety Recalls (12)

100% Free Dealer Repair
NHTSA Campaign #18V392000Reported: 12/06/2018

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Summary: Ford Motor Company (Ford) is recalling certain 2018 Ford Expedition, F-150, and Lincoln Navigator vehicles equipped with 3.5L GTDI V6 engines. These vehicles have high pressure fuel pump assemblies with welds that can fracture, which may cause an oil or fuel leak.

Safety Consequence: A fuel leak in the presence of an ignition source may increase the risk of a fire.
Manufacturer Remedy: Ford will notify owners, and dealers will replace the high pressure fuel pump and associated components, free of charge. The recall began July 17, 2018. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 18S17.
NHTSA Campaign #18V805000Reported: 14/11/2018

SEATS:MID/REAR ASSEMBLY

Summary: Ford Motor Company (Ford) is recalling certain 2018 Lincoln Navigator, and Ford Expedition vehicles. The second row center seat track assemblies may be missing one or both of the J-Channel reinforcement brackets, possibly allowing the seat to move in the event of a crash.

Safety Consequence: In the event of a crash, a seat that moves may not properly restrain the seat occupant, increasing their risk of injury.
Manufacturer Remedy: Ford will notify owners, and dealers will inspect the second row center seat for any missing J-channel reinforcement brackets, replacing the center seat frame assembly as necessary, free of charge. An interim owner notification was sent on December 21, 2018. A second letter will be mailed once the remedy is available. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 18S37
NHTSA Campaign #18V213000Reported: 04/04/2018

POWER TRAIN:AUTOMATIC TRANSMISSION

Summary: Ford Motor Company (Ford) is recalling certain 2017-2018 Ford F-150 and 2018 Ford Expedition and Mustang and Lincoln Navigator vehicles equipped with 10-speed automatic transmissions. A roll pin may not have been installed in the transmission, potentially causing a loss of the "Park" function.

Safety Consequence: Despite the transmission shift lever being placed in 'Park' and the instrument panel display indicating 'Park,' the vehicle may roll away after it has been exited if the parking brake has not been applied, increasing the risk of injury or a crash.
Manufacturer Remedy: Ford will notify owners, and dealers will inspect the transmission to make sure it has the roll pin, installing one if it is missing, free of charge. The recall began on April 13, 2018. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 18S09.
NHTSA Campaign #18V058000Reported: 16/01/2018

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

Summary: Ford Motor Company (Ford) is recalling certain 2018 Ford Expedition and Lincoln Navigator vehicles. The second row window control modules may intermittently stop the movement of the power window. If something, such as a finger, is pinched by the window glass, the stopped window control module may prevent the window from automatically reversing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 118, "Power-Operated Window Systems."

Safety Consequence: If the window does not automatically reverse when an obstruction is found, it can increase the risk of injury.
Manufacturer Remedy: Ford will notify owners, and dealers will inspect the second row window electronic control modules, and replace them as necessary based on their build date codes, free of charge. The recall began on February 16, 2018. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 18C01.
NHTSA Campaign #23V420000Reported: 09/06/2023

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."

Safety Consequence: Without instructions, the head restraints may be improperly adjusted, increasing the risk of injury in the event of a crash.
Manufacturer Remedy: Ford will mail the Owner's Manual addendums that describe how to adjust and remove the head restraints for the center seating positions, free of charge. Owner notification letters were mailed July 21, 2023. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 23C20.
NHTSA Campaign #23V598000Reported: 25/08/2023

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.

Safety Consequence: Loss of the rearview camera image can reduce the driver's rear visibility, increasing the risk of a crash.
Manufacturer Remedy: Dealers will replace the rearview camera, and update the software and wiring as necessary, free of charge. Owner notification letters were mailed November 20, 2023 to Lincoln owners. Ford vehicle owners notification letters were mailed March 4, 2024. Ford remedy parts are anticipated 2nd Quarter 2024. Ford's number for this recall is 23S48.
NHTSA Campaign #24V099000Reported: 09/02/2024

SEAT BELTS:PRETENSIONER

Summary: Ford Motor Company (Ford) is recalling certain 2018-2020 Expedition and Lincoln Navigator vehicles. The seat belt pretensioner in the driver and/or front passenger seat may inadvertently deploy and lock the seat belt, which will not allow the belt to retract or extend.

Safety Consequence: Seat belts that do not retract or extend may fail to restrain an occupant as intended, increasing the risk of injury in a crash.
Manufacturer Remedy: Dealers will replace the seat belt retractors, as necessary. Additionally, dealers will install an HVAC drain tube elbow if it is missing. Repairs will be performed free of charge. Owner notification letters were mailed on July 8, 2024. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 24S06.
NHTSA Campaign #24V852000Reported: 08/11/2024

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."

Safety Consequence: Without a label that shows the proper restraint usage guidelines, the occupants may have an increased risk of injury in the event of a crash.
Manufacturer Remedy: Ford will mail owners the warning labels, free of charge. Owner notification letters were mailed December 19, 2024. Owners may call Ford customer service at 1-866-436-7332. Ford's number for this recall is 24C39.
NHTSA Campaign #25V197000Reported: 23/05/2025

SEAT BELTS:PRETENSIONER

Summary: Ford Motor Company (Ford) is recalling certain 2018-2020 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.

Safety Consequence: Seat belts that do not retract or extend can fail to restrain an occupant as intended, increasing the risk of injury in a crash.
Manufacturer Remedy: Dealers will replace the seat belt retractors as necessary, free of charge. Owner notification letters were mailed October 22, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S31. Some vehicles in this recall that were previously inspected under recall 24V-099 and did not have parts replaced will need to have this new recall remedy completed.
NHTSA Campaign #25V236000Reported: 11/04/2025

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Summary: Ford Motor Company (Ford) is recalling certain 2017-2018 F-150, Expedition, and Lincoln Navigator vehicles. The brake master cylinder may allow brake fluid to leak from the front wheel circuit into the brake booster.

Safety Consequence: A brake fluid leak can cause reduced brake function and extend the distance required to stop, increasing the risk of a crash.
Manufacturer Remedy: Dealers will replace the brake master cylinder. If the master cylinder is leaking, the brake booster will also be replaced. Repairs will be performed free of charge. Owner notification letters were mailed September 25, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S37. This recall is an expansion of NHTSA recall number 22V-150.
NHTSA Campaign #26V344000Reported: 27/05/2026

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.

Safety Consequence: Seat belts that do not retract or extend can fail to restrain an occupant as intended, increasing the risk of injury in a crash.
Manufacturer Remedy: Dealers will inspect and replace the seat belt retractors as necessary, free of charge. Interim letters, notifying owners of the safety risk, were mailed June 8, 2026. Additional letters will be sent once the remedy is available, anticipated in August 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S34. This recall replaces and expands previous NHTSA recalls 24V099 and 25V197. Vehicles previously inspected or repaired under the prior recalls will need the new repair completed.
NHTSA Campaign #26V402000Reported: 24/06/2026

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.

Safety Consequence: Park system damage may result in a vehicle rollaway, increasing the risk of a crash.
Manufacturer Remedy: Dealers will update the powertrain control module software, and inspect and replace any damaged transmission components as necessary, free of charge. Interim letters, notifying owners of the safety risk, were mailed July 10, 2026. Additional letters will be sent once the remedy is available, anticipated in April 2027. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S48. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on June 26, 2026.

Pre-Purchase Inspection Checklist for 2018 Lincoln Navigator

Before purchasing a used 2018 Lincoln Navigator, perform the following targeted inspections based on reported federal defect patterns:

1. Cold Start & Idle Diagnostics

Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).

2. Transmission Shift Quality Audit

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.

3. Federal Recall Completion Check

Verify that all 12 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.

4. Electrical & Infotainment Drain Check

Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.

Frequently Answered Questions

Defect & Reliability Q&A: 2018 Lincoln Navigator

Is the 2018 Lincoln Navigator a reliable used car?

The 2018 Lincoln Navigator earns a 6/10 MazicBay Reliability Index based on 51 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 2018 Lincoln Navigator?

The leading complaint category is Transmission Hesitation, Hard Shifting & Slipping Reports, with a median failure point around 70,000 miles (IQR: 45,00074,500 mi).

Are there free recall repairs available for the 2018 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.