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2021 Lincoln Navigator

Introduction:

The 2021 Lincoln Navigator is a full-size luxury SUV that offers two engine options: a twin-turbocharged 3.5-liter V6 and a twin-turbocharged 3.5-liter V6 with an electric motor (Hybrid). The V6 engine produces 450 horsepower and 510 lb-ft of torque, while the Hybrid engine produces 440 horsepower and 500 lb-ft of torque. Both engines are paired with a 10-speed automatic transmission.

Owners appreciate the Navigator’s spacious interior, powerful engines, and luxurious features. However, it has received some complaints regarding certain aspects of its performance and reliability.

Engine

Twin-Turbocharged 3.5-Liter V6

  • Intake Valve Deposit Buildup:
    • Deposits accumulate on intake valves, reducing engine power and fuel economy.
    • Regular walnut blasting to clean valves is recommended.
    • Estimated Cost to Fix: $500-$1,000+

Twin-Turbocharged 3.5-Liter V6 with Electric Motor (Hybrid)

  • Battery Cell Degradation:
    • Battery cells may degrade over time, reducing the range and efficiency of the hybrid system.
    • Battery replacement may be necessary.
    • Estimated Cost to Fix: $5,000-$15,000+

Transmission

10-Speed Automatic

  • Hesitation and Jerking:
    • Transmission hesitates or jerks when shifting gears.
    • Software updates or transmission repairs may be needed.
    • Estimated Cost to Fix: $100-$1,000+

Suspension

  • Adaptive Suspension Malfunction:
    • Adaptive suspension system fails, affecting ride quality and handling.
    • Suspension components may need to be replaced.
    • Estimated Cost to Fix: $500-$2,000+

Electrical

  • Power Liftgate Failure:
    • Liftgate malfunctions and fails to open or close properly.
    • Electrical wires or switches may be faulty.
    • Estimated Cost to Fix: $300-$800+
  • Sync 4 Infotainment System Issues:
    • System freezes, lags, or malfunctions.
    • Software updates may resolve issues.
    • Estimated Cost to Fix: $0-$500+
  • Battery Drain:
    • Battery drains prematurely due to electrical devices left on.
    • Computer or fuse box issues may also contribute.
    • Estimated Cost to Fix: $100-$500+

Exterior

  • Chrome Trim Peeling:
    • Chrome trim pieces on the grille, window frames, or body panels begin to peel or flake.
    • Replacement of trim pieces is necessary.
    • Estimated Cost to Fix: $300-$1,000+
  • Door Handle Malfunction:
    • Door handles fail to open the doors properly.
    • Mechanical parts or electrical switches may be defective.
    • Estimated Cost to Fix: $200-$500+
  • Sunroof Seal Leak:
    • Water leaks through sunroof seal during rain or car wash.
    • Seal replacement may be required.
    • Estimated Cost to Fix: $500-$1,000+

Interior

  • Panoramic Moonroof Explosions:
    • Panoramic moonroof shatters spontaneously, posing risk to passengers.
    • Replacement of moonroof glass is necessary.
    • Estimated Cost to Fix: $2,000-$4,000+
  • Wind Noise:
    • Excessive wind noise enters the cabin from around the windows or sunroof.
    • Weatherstripping or seal adjustments may be needed.
    • Estimated Cost to Fix: $100-$500+
  • Climate Control Issues:
    • Climate control system malfunctions, causing inconsistent temperature or airflow.
    • Heater core, blower motor, or AC compressor may need to be replaced.
    • Estimated Cost to Fix: $300-$1,500+

Summary:

Overall, the 2021 Lincoln Navigator is a desirable luxury SUV, but it has experienced some issues that owners should be aware of. The most severe and expensive issue is the panoramic moonroof explosions, which can be a safety hazard. Other common problems include engine intake valve deposit buildup, transmission hesitation, and electrical malfunctions. While these issues can be frustrating, most are relatively minor and can be resolved at a reasonable cost.

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