2003 Lincoln Navigator problems & reliability
127 owner complaints filed with NHTSA for the 2003 Lincoln Navigator. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
11 complaints report injuries (15 injured).
Federal crash records (FARS 2020–2023): 2003 Lincoln Navigator vehicles were involved in 13 fatal crashes with 3 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Suspension | 38 | 30% |
| Electrical System | 22 | 17% |
| Structure | 18 | 14% |
| Air Bags | 14 | 11% |
| Power Train | 13 | 10% |
| Visibility | 13 | 10% |
| Engine and Engine Cooling | 10 | 8% |
| Service Brakes, Hydraulic | 7 | 6% |
| Vehicle Speed Control | 7 | 6% |
| Engine | 4 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 76,000 miles (middle 50% between 35,750 and 107,750 miles), based on 86 complaints that included mileage.
Complaints by incident year
What owners report
“Odometer Fraud. The contact purchased a 2003 Lincoln Navigator. It was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 160,000. The contact reset the mileage, and the display showed 247,000. The contact had not contacted any other…”
Electrical System · filed Apr 22, 2026
“The contact owns a 2003 Lincoln Navigator. The contact stated while driving 35 MPH, there was an abnormal sound coming from the engine compartment, prompting the contact to pull over to the shoulder of the roadway. The vehicle was towed to the residence. No warning lights were illuminated. The vehicle was towed to the…”
Engine · filed Aug 26, 2024
“The contact owned a 2003 Lincoln Navigator. The contact stated that fifteen minutes after she parked and turned off the vehicle in the driveway, her brother alerted her that the driver's side front seat had caught fire. The air bags were deployed. The fire department arrived on the scene and extinguished the fire. The…”
Firerelated · filed Oct 18, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- SPARK PLUG EJECTION FROM CYLINDER HEAD
Defect Petition DP05005 · opened Sep 22, 2005 · closed Jan 4, 2006
Technical service bulletins
150 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2003 Lincoln Navigator. The 10 most recent:
This article supersedes TSB 22-2219 to update the Parts List and Service Procedure to clarify applicable steps by vehicle application. Some 2003-2020 Expedition/Navigator and 2006-2020 F-150 (non-Raptor) vehicles…
TSB 24-2188 · Service Bulletin/Repair Instructions · issued Jul 24, 2024
For 2000-2024 Ford and Lincoln vehicles, swapping a module from a vehicle for diagnosis purposes is likely to cause errors and is not recommended. It is also not recommended to order a replacement module using a vehicle…
SSM 51536 · Service Bulletin/Repair Instructions · issued Apr 4, 2023
Some 2003-2020 Expedition/Navigator and 2006-2020 F-150 (non-Raptor) vehicles equipped with 4WD may exhibit grinding/clicking/ratcheting noise from the front wheel area. This may be due to partial engagement of the…
TSB 22-2219 · Service Bulletin/Repair Instructions · issued Jun 21, 2022
Some 2003-2020 Expedition/Navigator and 2006-2020 F-150 vehicles equipped with TOD transfer cases may exhibit grinding/clicking/ratcheting noise from the front wheel area. This may be due to partial engagement of the…
TSB 20-2307 · Service Bulletin/Repair Instructions · issued Oct 16, 2020
This article supersedes TSB 19-2026 to update the vehicle model years affected. Some 2000 and newer Ford/Lincoln/Mercury vehicles equipped with aluminum body panels may exhibit corrosion concerns appearing as bubbled…
TSB 20-2233 · Service Bulletin/Repair Instructions · issued Jul 13, 2020
Some 2000 and newer Ford, Lincoln and Mercury vehicles equipped with aluminum body panels may exhibit corrosion concerns appearing as bubbled and/or peeling paint with or without accompanying white dust. Panel…
TSB 19-2026 · Service Bulletin/Repair Instructions · issued Feb 7, 2019
Some 2000 and newer Ford, Lincoln and Mercury vehicles equipped with aluminum body panels may exhibit corrosion concerns appearing as bubbled and/or peeling paint with or without accompanying white dust. Panel…
TSB 19-2026 · Service Bulletin/Repair Instructions · issued Feb 7, 2019
Ford: some vehicles may exhibit oil separation from the internal lube found in the unitized cartridge seal. Oil separation appears to be and is often misdiagnosed, as an axle lube leak. *pe
TSB-08-19-3 · Service Bulletin/Repair Instructions · issued May 1, 2009
High intensity discharge (hid) - service fix. *tt
0652 · Service Bulletin/Repair Instructions · issued Jan 1, 2006
Engine misfire with diagnostic trouble code (dtc) pewee, p0302, p0303, p0304, p0305, p0306, p0307, p0308, and p0316. *tt
06513 · Service Bulletin/Repair Instructions · issued Jan 1, 2006
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 2003 Lincoln Navigator in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2003 Lincoln Navigator?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 76,000 miles — budget accordingly if the car is approaching that mileage.