2004 Nissan Maxima

The 2004 Nissan Maxima is a mid-size sedan known for its sporty handling and relatively luxurious interior for its time. The standard engine was a 3.5L V6 (VQ35DE) producing 265 horsepower and 255 lb-ft of torque. Transmission options included a 5-speed manual and a 4-speed automatic. People generally liked the Maxima’s powerful engine, comfortable ride, and stylish design. Common dislikes often centered around reliability issues that cropped up as the car aged, especially with the automatic transmission and some electrical components.

Engine

3.5L V6 (VQ35DE)

• Catalytic Converter Failure
  • Description/Symptoms: The catalytic converters, particularly the front pre-cats, are prone to failure, leading to a check engine light with codes P0420 and P0430. Symptoms include reduced engine performance, poor fuel economy, and a sulfur smell from the exhaust.
  • Solution: Replacement of the failed catalytic converter(s).
  • Estimated Cost to Fix: $400 - $1200+ per converter (depending on aftermarket or OEM).
  • Recalls: None Found
• Oxygen Sensor Failure
  • Description/Symptoms: Oxygen sensors fail frequently, triggering the check engine light. This can cause poor fuel economy and rough idling.
  • Solution: Replacing the faulty oxygen sensor(s).
  • Estimated Cost to Fix: $150 - $300+ per sensor (depending on location and OEM vs. aftermarket).
  • Recalls: None Found
• Valve Cover Gasket Leaks
  • Description/Symptoms: Oil leaks from the valve cover gaskets are common, leading to oil consumption and potential engine bay fires if oil drips onto hot exhaust components.
  • Solution: Replacing the valve cover gaskets.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Transmission

4-Speed Automatic

• Transmission Failure/Slipping
  • Description/Symptoms: The 4-speed automatic transmission is a known weak point. Symptoms include slipping between gears, harsh shifting, delayed engagement, and eventual complete failure.
  • Solution: Replacing or rebuilding the transmission.
  • Estimated Cost to Fix: $2000 - $4000+ (depending on rebuild vs. replacement).
  • Recalls: None Found

5-Speed Manual

No Issues Found

Suspension

• Strut Mount Failure
  • Description/Symptoms: Front strut mounts are prone to wear and tear, causing clunking noises over bumps and compromised handling.
  • Solution: Replacing the strut mounts.
  • Estimated Cost to Fix: $200 - $400+ per pair.
  • Recalls: None Found

Electrical

• Power Window Regulator Failure
  • Description/Symptoms: Power windows may stop working due to a faulty regulator.
  • Solution: Replacing the power window regulator.
  • Estimated Cost to Fix: $150 - $350+ per window.
  • Recalls: None Found
• Radio/Navigation System Failure
  • Description/Symptoms: The factory radio and navigation systems can experience failures, including display issues, sound problems, and non-responsiveness.
  • Solution: Replacement or repair of the unit.
  • Estimated Cost to Fix: $100 - $500+ (depending on the extent of the damage and repair options).
  • Recalls: None Found

Exterior

• Rust
  • Description/Symptoms: Rust can develop on the undercarriage, especially in areas where road salt is used.
  • Solution: Rust repair and prevention.
  • Estimated Cost to Fix: Highly variable, depending on the severity and location of the rust.

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof may leak or get stuck.
  • Solution: Cleaning and lubricating sunroof tracks and seals, or replacing the sunroof motor/assembly.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Summary

The 2004 Nissan Maxima, while offering a spirited driving experience and a touch of luxury, is prone to certain reliability issues. The most concerning is the potential for automatic transmission failure, which can be a costly repair. Engine-related issues, like catalytic converter failures and oil leaks, are also common. Electrical problems and suspension wear are typical for a car of this age. Overall, the severity of the issues ranges from minor inconveniences to major repairs, and the cost can vary considerably. Prospective buyers should be aware of these potential problems and carefully inspect the vehicle before purchasing.