2008 Lincoln Navigator

Introduction:

The 2008 Lincoln Navigator is a full-size SUV known for its luxurious amenities, powerful performance, and spacious interior. It was offered with two engine options: a 5.4L V8 and a 6.8L V10. Paired with the engines were either a 6-speed automatic transmission or a 4-speed automatic transmission. The Navigator was generally well-received for its impressive towing capabilities, comfortable ride, and abundant features. However, like any vehicle, it has its share of known issues.

Engine:

• 5.4L V8
  • Intake Manifold Runner Control (IMRC) Failure:
    • Description/Symptoms: Poor acceleration, rough idling, and engine stalling.
    • Solution: Replace the IMRC unit.
    • Estimated Cost to Fix: $500 - $1,000+
  • Exhaust Manifold Stud Breakage:
    • Description/Symptoms: Leaking exhaust, engine misfires, and reduced power.
    • Solution: Replace the broken stud and manifold gasket.
    • Estimated Cost to Fix: $300 - $600+
  • Cam Phasers Failure:
    • Description/Symptoms: Noisy engine operation, reduced power, and increased fuel consumption.
    • Solution: Replace the cam phasers.
    • Estimated Cost to Fix: $1,500 - $2,500+
• 6.8L V10
  • Spark Plug Thread Blowout:
    • Description/Symptoms: Misfiring, rough idling, and engine shaking.
    • Solution: Heli-coil the cylinder head and replace the spark plugs.
    • Estimated Cost to Fix: $1,200 - $2,000+
  • Coolant Reservoir Crack:
    • Description/Symptoms: Coolant leak, overheating, and steam from the engine bay.
    • Solution: Replace the coolant reservoir.
    • Estimated Cost to Fix: $150 - $300+

Transmission:

• 6-Speed Automatic
  • Torque Converter Shudder:
    • Description/Symptoms: Vibration felt during acceleration or deceleration.
    • Solution: Replace the torque converter.
    • Estimated Cost to Fix: $1,500 - $2,500+
• 4-Speed Automatic
  • Solenoid Failure:
    • Description/Symptoms: Transmission slipping, delayed shifting, or refusing to shift gears.
    • Solution: Replace the faulty solenoid.
    • Estimated Cost to Fix: $200 - $500+

Suspension:

• Front Air Suspension Failure:
  • Description/Symptoms: Uneven ride height, leaning, and suspension noises.
  • Solution: Replace air springs or air compressor.
  • Estimated Cost to Fix: $1,000 - $2,000+
• Rear Shock Absorber Leakage:
  • Description/Symptoms: Reduced ride quality, bouncing, and uneven handling.
  • Solution: Replace the shock absorbers.
  • Estimated Cost to Fix: $400 - $800+

Electrical:

• Alternator Failure:
  • Description/Symptoms: Dimming lights, battery light indicator, and reduced electrical power.
  • Solution: Replace the alternator.
  • Estimated Cost to Fix: $500 - $1,000+
• Starter Failure:
  • Description/Symptoms: Engine fails to crank, grinding noises.
  • Solution: Replace the starter.
  • Estimated Cost to Fix: $300 - $600+

Exterior:

• Tailgate Hinge Corrosion:
  • Description/Symptoms: Rusty hinges, difficulty opening or closing the tailgate.
  • Solution: Replace the tailgate hinges.
  • Estimated Cost to Fix: $200 - $400+
• Running Board Corrosion:
  • Description/Symptoms: Rusted running boards, weakened structure.
  • Solution: Replace the running boards.
  • Estimated Cost to Fix: $600 - $1,200+

Interior:

• Navigation System Malfunction:
  • Description/Symptoms: Screen failure, freezing, or incorrect directions.
  • Solution: Update or replace the navigation unit.
  • Estimated Cost to Fix: $500 - $1,200+
• Climate Control Panel Failure:
  • Description/Symptoms: Inoperable switches, inaccurate temperature control.
  • Solution: Replace the climate control panel.
  • Estimated Cost to Fix: $200 - $400+

Summary:

Overall, the 2008 Lincoln Navigator is a capable SUV with a luxurious interior and impressive performance. However, it is not without its issues. The most severe and costly problems are related to the engine, transmission, and suspension. These repairs can be expensive, and owners should be prepared for potential maintenance costs. However, many of the issues can be prevented or mitigated with proper maintenance and timely repairs.