2008 Lexus RX400h

2008 Lexus RX400h

The 2008 Lexus RX400h is a hybrid luxury SUV that combines a 3.3-liter V6 engine with an electric motor to produce 268 horsepower and 247 lb-ft of torque. It is mated to a continuously variable transmission (CVT). The RX400h offers a comfortable ride, a well-equipped interior, and good fuel economy for its size. However, it has been reported to have some issues, including:

Engine

• 3.3L V6

  • Valve Cover Gasket Leak: Oil leaks from the valve cover gasket, causing oil loss and engine smoke.
  • Crankshaft Position Sensor Failure: The crankshaft position sensor fails, causing the engine to stall or not start.
  • Oxygen Sensor Failure: The oxygen sensor fails, affecting fuel efficiency and causing emissions problems.

• Electric Motor

  • Inverter Failure: The inverter fails, preventing the electric motor from functioning properly.
  • Hybrid Battery Degradation: The hybrid battery pack degrades over time, reducing fuel economy and performance.

Transmission

• CVT

  • Transmission Slipping: The transmission slips gears, causing loss of power and rough shifting.
  • Transmission Control Module Failure: The transmission control module fails, resulting in erratic shifting and transmission failure.

Suspension

• Strut Mount Bearing Failure: The strut mount bearing fails, causing a clunking noise when driving over bumps.
• Rear Suspension Bushing Wear: The rear suspension bushings wear out, leading to poor handling and stability.

Electrical

• Climate Control Module Failure: The climate control module fails, affecting the heating and cooling system.
• Rearview Camera Failure: The rearview camera fails, impairing visibility when reversing.

Exterior

• Headlight Assembly Condensation: The headlight assemblies develop condensation, affecting visibility at night.
• Rear Hatch Release Failure: The rear hatch release fails, preventing the hatch from opening.

Interior

• Navigation System Display Failure: The navigation system display malfunctions, affecting navigation functionality.
• Power Seat Motor Failure: The power seat motor fails, preventing the seat from adjusting properly.

Summary

The 2008 Lexus RX400h is generally a reliable vehicle, but it has experienced some issues over the years. The severity and cost of these issues vary, but most of them are relatively minor and can be fixed for a reasonable price. Some of the more serious issues, such as transmission failure and hybrid battery degradation, can be costly to repair.