2006 INFINITI M45

Introduction

The 2006 INFINITI M45 is a luxury sedan powered by a 4.5-liter V8 engine that produces 325 horsepower and 335 lb-ft of torque. It comes standard with a 5-speed automatic transmission. The M45 is known for its comfortable ride, luxurious interior, and powerful engine. However, some owners have reported issues with the vehicle’s engine, transmission, suspension, electrical system, exterior, and interior.

Engine

4.5-liter V8

• Valve Cover Gasket Leak
  • Description/Symptoms: Leaking oil from the valve cover gaskets.
  • Solution: Replace the valve cover gaskets.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found
• Timing Chain Guide Failure
  • Description/Symptoms: Rattling noise from the engine, loss of power, and illuminated check engine light.
  • Solution: Replace the timing chain guides.
  • Estimated Cost to Fix: $2,000 - $3,000
  • Recalls: None Found

Transmission

5-speed Automatic

• Hesitation and Jerking
  • Description/Symptoms: The transmission hesitates or jerks when shifting gears.
  • Solution: Update the transmission software or replace the transmission fluid.
  • Estimated Cost to Fix: $100 - $500
  • Recalls: None Found

Suspension

• Front Control Arm Bushing Failure
  • Description/Symptoms: Clunking or rattling noise from the front suspension.
  • Solution: Replace the front control arm bushings.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found
• Rear Shock Absorber Failure
  • Description/Symptoms: Poor ride quality, excessive bouncing, or uneven tire wear.
  • Solution: Replace the rear shock absorbers.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Electrical

• Alternator Failure
  • Description/Symptoms: Dimming headlights, difficulty starting the engine, or illuminated battery warning light.
  • Solution: Replace the alternator.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found
• Ignition Coil Failure
  • Description/Symptoms: Misfiring engine, loss of power, or illuminated check engine light.
  • Solution: Replace the ignition coils.
  • Estimated Cost to Fix: $300 - $500
  • Recalls: None Found

Exterior

• Fog Light Condensation
  • Description/Symptoms: Condensation inside the fog lights.
  • Solution: Replace the fog light assemblies.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Interior

• Navigation System Failure
  • Description/Symptoms: The navigation system freezes or becomes unresponsive.
  • Solution: Update the navigation software or replace the navigation system unit.
  • Estimated Cost to Fix: $500 - $1,500
  • Recalls: None Found

Summary

The 2006 INFINITI M45 is a reliable luxury sedan, but it is not without its issues. The most common problems reported by owners are engine valve cover gasket leaks, transmission hesitation, suspension bushing failures, alternator failures, fog light condensation, and navigation system failures. The severity of these issues varies, with some being minor inconveniences and others being more costly repairs. However, the overall cost of ownership for the M45 is reasonable, and many owners are satisfied with their vehicles.