2003 Lincoln Aviator

Introduction to the 2003 Lincoln Aviator

The 2003 Lincoln Aviator is a full-size luxury SUV that debuted as the replacement for the Lincoln Navigator. It was offered with two engine options: a 4.6L V8 and a 5.4L V8. Both engines were paired with a 5-speed automatic transmission. The Aviator was known for its spacious interior, refined ride and handling, and powerful engines. However, it also faced criticism for its high fuel consumption and reliability issues.

Engine

• 4.6L V8
  • Spark Plug Failure
    • Description/Symptoms: Engine misfires, rough idle, loss of power
    • Solution: Replace spark plugs
    • Estimated Cost to Fix: $200 - $400
    • Recalls: None Found
  • Intake Manifold Gasket Failure
    • Description/Symptoms: Coolant leak, overheating, engine performance issues
    • Solution: Replace intake manifold gasket
    • Estimated Cost to Fix: $500 - $1,000
    • Recalls: None Found
• 5.4L V8
  • Cam Phaser Failure
    • Description/Symptoms: Engine noise, reduced engine power
    • Solution: Replace cam phasers
    • Estimated Cost to Fix: $1,500 - $2,500
    • Recalls: 03V414000
  • Intake Valve Seat Recession
    • Description/Symptoms: Loss of compression, engine misfires
    • Solution: Replace intake valve seats
    • Estimated Cost to Fix: $4,000 - $6,000
    • Recalls: None Found

Transmission

• 5-Speed Automatic
  • Torque Converter Failure
    • Description/Symptoms: Shuddering, slipping, overheating
    • Solution: Replace torque converter
    • Estimated Cost to Fix: $1,000 - $2,000
    • Recalls: 03V428000
  • Transmission Fluid Leak
    • Description/Symptoms: Transmission fluid leaking, slipping, overheating
    • Solution: Replace leaking seals or gaskets
    • Estimated Cost to Fix: $200 - $500
    • Recalls: None Found

Suspension

• Air Suspension Compressor Failure
  • Description/Symptoms: Suspension becomes stiff or inoperable
  • Solution: Replace air suspension compressor
  • Estimated Cost to Fix: $1,200 - $1,800
  • Recalls: None Found
• Rear Air Spring Rupture
  • Description/Symptoms: Suspension sags in the rear, rough ride quality
  • Solution: Replace rear air springs
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Battery dies prematurely
  • Solution: Replace battery or diagnose and repair electrical system
  • Estimated Cost to Fix: $100 - $500
  • Recalls: None Found
• Alternator Failure
  • Description/Symptoms: Electrical system malfunction, warning lights, battery not charging
  • Solution: Replace alternator
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Exterior

• Door Handle Breakage
  • Description/Symptoms: Door handle breaks, cannot open door
  • Solution: Replace door handle
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found

Interior

• Heater Core Failure
  • Description/Symptoms: No heat in the cabin, coolant leak
  • Solution: Replace heater core
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found
• HVAC Control Module Failure
  • Description/Symptoms: No climate control, buttons or dials not working
  • Solution: Replace HVAC control module
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Summary

The 2003 Lincoln Aviator is a spacious and luxurious SUV with powerful engine options. However, it has been plagued by numerous reliability issues, particularly with its engine, transmission, and suspension components. These issues can be expensive to repair, significantly impacting the overall cost of ownership. Additionally, the Aviator’s high fuel consumption and dated interior may be drawbacks for some buyers.