2015 Lincoln Navigator

The 2015 Lincoln Navigator is a full-size luxury SUV known for its spacious interior, comfortable ride, and powerful engine. It offers a smooth driving experience and plenty of features, making it a popular choice for families. However, some owners have reported issues with reliability and certain components. The Navigator came standard with a 3.5L EcoBoost V6 engine producing 380 horsepower and 460 lb-ft of torque, paired with a 6-speed automatic transmission. Common complaints include the infotainment system being dated and some issues with the air suspension. People like the Navigator for its spaciousness, towing capability, and luxurious feel. Dislikes often center around fuel economy and reported reliability concerns.

Engine

3.5L EcoBoost V6

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the engine, reduced power, check engine light illuminated. Can be caused by oil starvation or bearing failure.
  • Solution: Replacement of the turbocharger(s).
  • Estimated Cost to Fix: $2,000 - $3,000+
  • Recalls: None Found
• Wastegate Actuator Failure
  • Description/Symptoms: Lack of boost, reduced power, hesitation upon acceleration. Check engine light may illuminate.
  • Solution: Replacement of the wastegate actuator or the entire turbocharger assembly.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found
• Coolant Leak
  • Description/Symptoms: Coolant leaking from the water pump or thermostat housing. Visible leak or white smoke coming from the exhaust, low coolant light.
  • Solution: Replacement of the leaking component (water pump, thermostat housing, hoses).
  • Estimated Cost to Fix: $400 - $1,000+
  • Recalls: None Found

Transmission

6-Speed Automatic Transmission

• Rough Shifting
  • Description/Symptoms: Harsh or jerky shifts between gears, especially noticeable during acceleration or deceleration.
  • Solution: Transmission fluid flush and filter replacement, or valve body replacement, or a transmission rebuild.
  • Estimated Cost to Fix: $200 - $4,000+
  • Recalls: None Found
• Transmission Slipping
  • Description/Symptoms: Engine revs high without corresponding acceleration, loss of power.
  • Solution: Transmission rebuild or replacement.
  • Estimated Cost to Fix: $3,000 - $6,000+
  • Recalls: None Found

Suspension

• Air Suspension Failure
  • Description/Symptoms: Vehicle sagging on one or more corners, air compressor running constantly, “Service Suspension” warning light.
  • Solution: Replacement of the air springs (struts), air compressor, or ride height sensors.
  • Estimated Cost to Fix: $800 - $2,000+ per strut
  • Recalls: None Found
• Air Compressor Failure
  • Description/Symptoms: Vehicle suspension not leveling, compressor not running or running excessively, suspension error messages.
  • Solution: Replacement of the air suspension compressor.
  • Estimated Cost to Fix: $500 - $1,200+
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: Touchscreen unresponsive, system freezing, system restarting, navigation issues.
  • Solution: Software update, replacement of the APIM (Accessory Protocol Interface Module).
  • Estimated Cost to Fix: $100 - $1,200+
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Vehicle battery draining overnight or within a short period of time.
  • Solution: Diagnostic testing to identify the source of the drain (e.g., faulty module, parasitic draw). Repair or replacement of the faulty component.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Exterior

• Power Running Boards Malfunction
  • Description/Symptoms: Running boards not deploying or retracting properly, making noise, or getting stuck.
  • Solution: Lubrication of hinges, repair or replacement of the motor or sensors, or replacement of the running board assembly.
  • Estimated Cost to Fix: $300 - $1,500+
  • Recalls: None Found

Interior

• Sunroof Leaks
  • Description/Symptoms: Water leaking into the cabin from the sunroof, especially during rain.
  • Solution: Cleaning or unclogging the sunroof drain tubes, resealing the sunroof assembly.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found
• Heated/Cooled Seat Malfunction
  • Description/Symptoms: Seats not heating or cooling properly, inconsistent heating or cooling.
  • Solution: Repair or replacement of the heating/cooling element, control module, or wiring.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Summary

The 2015 Lincoln Navigator, while offering a luxurious and spacious experience, has several reported issues. Engine problems, particularly turbocharger issues on the 3.5L EcoBoost, and air suspension problems are among the most concerning and potentially costly repairs. Electrical glitches with the infotainment system and battery drain issues can also be frustrating. While some issues can be addressed with relatively minor repairs, others, like transmission rebuilds or turbocharger replacements, can be quite expensive. The severity of these issues varies, but potential buyers should be aware of these common complaints and inspect the vehicle thoroughly before purchasing.