2004 Lincoln Navigator

Introduction:

The 2004 Lincoln Navigator is a full-size luxury SUV known for its spacious interior, powerful engines, and comfortable ride. It offers three engine options: a 5.4L V8, a 4.6L V8, and a 6.8L V10. Transmission options include a 4-speed automatic and a 5-speed automatic.

Despite its many positive qualities, the Navigator has been plagued by a variety of issues over the years.

Engine

5.4L V8

• Intake Manifold Runner Control (IMRC) Valve Failure:
  • Description/Symptoms: Worn or stuck IMRC valves can cause rough idle, loss of power, and reduced fuel economy.
  • Solution: Replace the IMRC valves.
  • Estimated Cost to Fix: $400 - $600+
  • Recalls: None Found
• Cam Phaser Failure:
  • Description/Symptoms: Worn or damaged cam phasers can cause a variety of issues, including rough idling, poor acceleration, and decreased fuel economy.
  • Solution: Replace the cam phasers.
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found

4.6L V8

• Timing Chain Tensioner Failure:
  • Description/Symptoms: A faulty timing chain tensioner can lead to a stretched timing chain, which can cause engine damage.
  • Solution: Replace the timing chain tensioner and timing chain.
  • Estimated Cost to Fix: $1,200 - $1,800+
  • Recalls: None Found

6.8L V10

• Spark Plug Failure:
  • Description/Symptoms: Worn or damaged spark plugs can cause misfires, rough idling, and reduced engine performance.
  • Solution: Replace the spark plugs.
  • Estimated Cost to Fix: $150 - $300+
  • Recalls: None Found

Transmission

4-Speed Automatic

• Torque Converter Failure:
  • Description/Symptoms: A faulty torque converter can cause slipping, shuddering, and difficulty shifting gears.
  • Solution: Replace the torque converter.
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found

5-Speed Automatic

• Solenoid Failure:
  • Description/Symptoms: Worn or damaged solenoids can lead to shifting problems, such as delayed or harsh shifts.
  • Solution: Replace the affected solenoids.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Suspension

• Strut Failure:
  • Description/Symptoms: Worn or damaged struts can cause a rough ride, handling problems, and uneven tire wear.
  • Solution: Replace the struts.
  • Estimated Cost to Fix: $600 - $1,200+ per axle
  • Recalls: None Found

Electrical

• Battery Drain:
  • Description/Symptoms: A faulty electrical component or parasitic drain can cause the battery to drain prematurely.
  • Solution: Identify and repair the source of the drain.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found
• Headlight Switch Failure:
  • Description/Symptoms: A malfunctioning headlight switch can cause intermittent or complete failure of the headlights.
  • Solution: Replace the headlight switch.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Exterior

• Chrome Trim Peeling:
  • Description/Symptoms: The chrome trim on various exterior components, such as the grille and door handles, can peel and deteriorate over time.
  • Solution: Replace the affected trim pieces.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Interior

• Heater Core Failure:
  • Description/Symptoms: A leaking heater core can cause a sweet smell in the cabin and fogging on the windshield.
  • Solution: Replace the heater core.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found
• Power Window Motor Failure:
  • Description/Symptoms: Worn or damaged window motors can cause windows to operate slowly, intermittently, or not at all.
  • Solution: Replace the affected window motors.
  • Estimated Cost to Fix: $200 - $400+ per window
  • Recalls: None Found

Summary:

The 2004 Lincoln Navigator is a popular SUV that offers a comfortable and powerful ride. However, it has been plagued by a variety of issues that can be expensive to repair. Potential buyers should be aware of these issues before making a purchase decision.