2011 Lexus GS350

Introduction: The 2011 Lexus GS350 is a midsize luxury sedan powered by a 3.5-liter V6 engine paired with a 6-speed automatic transmission. It produces 306 horsepower and 277 lb-ft of torque. The GS350 offers a smooth and refined driving experience, with a comfortable interior and a host of features. However, it has a few common issues that owners should be aware of.

Engine

• 3.5L V6 Engine
  • Carbon Buildup on Intake Valves:
    • Description/Symptoms: Over time, carbon buildup can accumulate on the intake valves, which can reduce engine performance and cause rough idling.
    • Solution: Cleaning the intake valves using a chemical or mechanical method is usually necessary.
    • Estimated Cost to Fix: $500 - $1,000
    • Recalls: None Found
  • Timing Chain Rattle:
    • Description/Symptoms: A rattling noise may occur from the timing chain when the engine is running, especially at higher RPMs.
    • Solution: Replacing the timing chain and associated components is usually required.
    • Estimated Cost to Fix: $2,000 - $3,000
    • Recalls: None Found

Transmission

• 6-Speed Automatic Transmission:
  • Transmission Shudder:
    • Description/Symptoms: A noticeable shudder or vibration can occur when shifting gears, particularly during acceleration or deceleration.
    • Solution: Flushing the transmission fluid and updating the transmission software may resolve the issue.
    • Estimated Cost to Fix: $500 - $1,000
    • Recalls: None Found

Suspension

• Front Lower Control Arm Bushings:
  • Description/Symptoms: Worn bushings can cause a clunking noise when driving over bumps or rough roads.
  • Solution: Replacing the bushings is usually necessary.
  • Estimated Cost to Fix: $400 - $600
    • Recalls: None Found

Electrical

• Battery Drain:
  • Description/Symptoms: The battery may drain prematurely, even when the car is not in use.
  • Solution: Identifying and addressing the source of the drain (usually an electronic component) is necessary.
  • Estimated Cost to Fix: $200 - $500
    • Recalls: None Found
• Headlight Bulb Failure:
  • Description/Symptoms: Headlight bulbs may burn out frequently, particularly the HID bulbs.
  • Solution: Replacing the bulbs is usually required.
  • Estimated Cost to Fix: $100 - $200
    • Recalls: 16V450000 (HID Headlamps)

Exterior

• No Issues Found

Interior

• Door Lock Actuator Failure:
  • Description/Symptoms: The door locks may fail to engage or disengage properly.
  • Solution: Replacing the faulty actuator is usually necessary.
  • Estimated Cost to Fix: $200 - $400
    • Recalls: None Found
• Navigation System Malfunction:
  • Description/Symptoms: The navigation system may freeze or display incorrect information.
  • Solution: Updating the software or replacing the navigation system may be necessary.
  • Estimated Cost to Fix: $500 - $1,000
    • Recalls: None Found

Summary: The 2011 Lexus GS350 is a generally reliable luxury sedan, but it has a few common issues that can be costly to repair. Carbon buildup on intake valves, timing chain rattle, and transmission shudder are some of the most significant engine and transmission concerns. Suspension issues, electrical drains, door lock actuator failures, and navigation system malfunctions are also reported. While these issues may affect some vehicles, it’s important to note that not all GS350s will experience these problems. Regular maintenance and addressing any issues promptly can help to extend the vehicle’s lifespan and improve its reliability.