1999 Lincoln Navigator Problems & Reliability

Hey there, fellow car enthusiasts! If you’re cruising down memory lane or just curious about the iconic SUVs of the late ’90s, you’ve probably come across the 1999 Lincoln Navigator. This beast of a vehicle was one of the pioneers in the luxury SUV market, offering a blend of rugged capability and upscale comfort that was hard to beat at the time. But like any vehicle that’s been around for a couple of decades, the 1999 Navigator has its fair share of quirks and issues. Whether you’re considering buying a used one or just want to know more about its history, it’s worth diving into the common problems and overall reliability of this classic ride. In this post, we’ll explore some of the typical problems that owners have encountered with the 1999 Lincoln Navigator, from engine troubles to electrical gremlins. We’ll also take a look at how these issues impact the vehicle’s reliability and what you might expect if you’re thinking about adding one to your garage. So buckle up and join us as we navigate the ups and downs of owning a 1999 Lincoln Navigator, and see if this vintage SUV still holds its ground in today’s world.
Body Components

Parts Assessed:

Windows, power locks, manual locks, doors, trunk, tailgate, mirrors, power and manual seat controls, seat belts, sunroof, convertible top, glass defects.

Reported Problems:

N/A

Analysis:

No major problem has been reported

Parts Assessed

Brake pads, brake rotors, brake calipers, anti-lock braking system (ABS), brake lines, brake master cylinder, brake booster, parking brake, brake sensors, regenerative braking system (if applicable).

Reported Problems:

  • Turn Off Suspension Switch Before Jacking/Lifting Vehicle With Air Suspension

Analysis:

The 1999 Lincoln Navigator’s air suspension system can be a bit finicky, especially when it comes to maintenance tasks like jacking or lifting the vehicle. It’s crucial to remember to turn off the suspension switch before doing so, as failing to do this can lead to issues with the suspension system. Overall, while the Navigator offers a smooth ride, keeping an eye on the air suspension is key to maintaining its reliability.

Parts Assessed

Air conditioning compressor, AC condenser, AC evaporator, heater core, blower motor, automatic climate control system, refrigerant leaks, HVAC electrical components, temperature sensors, ventilation system.

Reported Problems:

  • Corrosion on Battery Cable Ends

Analysis:

The 1999 Lincoln Navigator seems to have a common issue with corrosion on the battery cable ends, which can lead to starting problems and electrical issues. While this is a relatively minor problem that can be fixed with regular maintenance, its something to keep an eye on if youre considering this vehicle. Overall, addressing this issue promptly can help maintain the Navigators reliability.

Parts Assessed

CV joints, driveshaft, axles, differential, limited-slip differential (if applicable), traction control system, electronic stability control (ESC), four-wheel-drive (4WD) components, all-wheel-drive (AWD) components, transfer case, driveline vibration.

Reported Problems:

  • Problems With EGR System are Common in High Dust Areas

Analysis:

The 1999 Lincoln Navigator tends to have some reliability issues, especially when it comes to the EGR system in high dust areas. This can lead to performance problems and might require more frequent maintenance if you’re driving in such environments. Overall, while the Navigator is a solid vehicle, it’s worth keeping an eye on the EGR system if you’re in a dusty region.

Parts Assessed

Infotainment system, GPS navigation, Bluetooth connectivity, touchscreen display, phone pairing, backup camera, rear entertainment system, head-up display, instrument cluster, digital gauges.

Reported Problems:

  • Smelling Coolant and Overheating With No Visible Leaks

Analysis:

The 1999 Lincoln Navigator seems to have some issues with smelling coolant and overheating, even when there are no visible leaks. This could point to potential problems with the cooling system, like a faulty radiator cap or a hidden leak in the system. While these issues might not be deal-breakers, they do suggest that the Navigator might require a bit more attention and maintenance in this area to ensure it runs smoothly.

Parts Assessed

Radiator, radiator hoses, cooling fan, water pump, thermostat, antifreeze leaks, engine coolant reservoir, overheating prevention system, intercooler (if applicable).

Reported Problems:

  • Overheating Due to a Damaged Impeller

Analysis:

The 1999 Lincoln Navigator has had some issues with overheating, often due to a damaged impeller. This problem can lead to engine performance issues and potential long-term damage if not addressed promptly. While it’s not the most common issue, it’s something to keep an eye on if you’re considering this vehicle.

Parts Assessed

Alternator, battery, ignition switch, ignition coil, spark plugs, ignition wires, engine control module (ECM), electronic ignition system, auto stop/start function, battery cables, engine wiring harness, fuse box, relays, starter motor.

Reported Problems:

  • Head gaskets may leak oil

Analysis:

The 1999 Lincoln Navigator is known to have some issues with its head gaskets, particularly when it comes to oil leaks. While this can be a bit of a headache, it’s a common problem in older vehicles and can usually be managed with regular maintenance. Overall, if you’re considering a Navigator from this year, just keep an eye on those gaskets and you should be good to go.

Parts Assessed

Engine rebuilds, cylinder head, head gasket, timing chain, timing belt, camshaft, crankshaft, connecting rods, turbocharger or supercharger (if applicable), valve train, piston rings, oil control system, engine knocking, engine misfires.

Reported Problems:

  • Check Engine Light Due to PCV Grommet Vacuum Leaks

Analysis:

The 1999 Lincoln Navigator has a known issue with the check engine light coming on due to PCV grommet vacuum leaks. This problem can lead to engine performance issues if not addressed, but it’s generally fixable with a relatively simple repair. Overall, while this issue is a bit of a hassle, it doesn’t drastically affect the vehicle’s reliability if taken care of promptly.

Parts Assessed

Muffler, catalytic converter, exhaust manifold, heat shields, exhaust pipes, oxygen (O₂) sensors, resonator, exhaust leaks, emissions control system.

Reported Problems:

  • Exhaust Leak Prior to Catalytic Converter Must be Repaired Immediately

Analysis:

The 1999 Lincoln Navigator has a few issues, with one of the more pressing problems being an exhaust leak prior to the catalytic converter, which needs immediate attention. This kind of leak can affect the vehicle’s performance and emissions, so it’s crucial to address it quickly to maintain the SUV’s reliability. Overall, while the Navigator is a solid ride, keeping an eye on these kinds of issues is key to ensuring it runs smoothly.

Parts Assessed

Fuel pump, fuel injectors, fuel rail, fuel pressure regulator, throttle body, fuel gauge sensor, evaporative emissions system, EGR (exhaust gas recirculation) valve, charcoal canister, fuel filter, fuel tank, vapor leaks.

Reported Problems:

  • Check Engine Light due to Water/Coolant in Spark Plug Recesses

Analysis:

The 1999 Lincoln Navigator can sometimes have issues with the check engine light coming on due to water or coolant getting into the spark plug recesses. This problem can lead to misfires and engine performance issues, which might be a bit of a hassle to deal with. While it’s not the most common issue, it’s something to keep an eye on if you’re considering this vehicle.

Flagship-One-Engine-Computer-In-Stock
Onboard Electronics

Parts Assessed

Cruise control, keyless entry system, push-button start, wiper motor, warning lights, power mirrors, interior lighting, exterior lighting, dashboard indicators, electronic parking brake, tire pressure monitoring system (TPMS), alarm and security system, remote engine start, heated and ventilated seats, heated steering wheel, wireless charging pad.

Reported Problems:

  • Inspect transmission/fluid every 30,000 miles

Analysis:

The 1999 Lincoln Navigator is generally considered reliable, but one area to keep an eye on is the transmission. It’s recommended to inspect the transmission fluid every 30,000 miles to prevent any potential issues. Regular maintenance like this can help ensure the vehicle runs smoothly and avoid costly repairs down the line.

Parts Assessed

Dashboard rattles, squeaks, wind noise, door seals, weather stripping, water leaks, air leaks, excessive road noise, suspension noise, drivetrain noise, exhaust rattles, engine bay noises.

Reported Problems:

  • Adjusting AC Clutch Air Gap

Analysis:

The 1999 Lincoln Navigator’s AC clutch air gap can sometimes be a bit finicky, leading to issues with the air conditioning system not engaging properly. While adjusting the air gap can often resolve these problems, it might require a bit of patience and mechanical know-how. Overall, once properly adjusted, the AC system tends to be reliable, but it’s something to keep an eye on if you’re experiencing cooling issues.

Parts Assessed

Paint durability, clear coat protection, rust prevention, corrosion resistance, body panel alignment, door seals, window trim, plastic trim, metal finishes, fading, cracking, peeling.

Reported Problems:

  • Oil coated air filer causing mass air flow sensor failure

Analysis:

No major problem has been reported

Parts Assessed

Struts, shocks, control arms, sway bars, ball joints, tie rods, wheel bearings, power steering pump, power steering fluid leaks, electronic power steering (EPS), steering rack and pinion, steering linkage, alignment issues, torsion bars, springs, air suspension (if applicable).

Reported Problems:

  • Replace Spark Plug Boots When Replacing Spark Plugs

Analysis:

The 1999 Lincoln Navigator is generally a reliable vehicle, but one common issue that owners face is the need to replace spark plug boots when changing the spark plugs. This is important because worn-out boots can lead to misfires and poor engine performance. Keeping up with this maintenance can help ensure your Navigator runs smoothly and avoids unnecessary headaches.

Parts Assessed

Transmission rebuild, transmission replacement, torque converter, transmission solenoids, gear selector, gear shifting, transmission control module (TCM), transmission fluid leaks, clutch (manual transmission), automatic transmission valve body, CVT (continuously variable transmission) components, dual-clutch transmission (DCT) components.

Reported Problems:

  • Service power steering fluid regularly

Analysis:

The 1999 Lincoln Navigator is known for its luxurious ride, but like any older vehicle, it has its quirks. One key maintenance tip is to service the power steering fluid regularly to avoid steering issues, which can be a common problem if neglected. Keeping up with this simple task can help maintain the overall reliability of your Navigator and ensure a smoother driving experience.

Conclusion

Facebook
Twitter
LinkedIn
Picture of Flagship One

Flagship One

The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.

What Customers Think About Us