2012 Lexus RX350

Here’s a breakdown of common issues and complaints for the 2012 Lexus RX350, categorized by major component, engine/transmission option, and specific problem, along with solutions and estimated costs.

The 2012 Lexus RX350 is a popular luxury SUV known for its comfortable ride, reliability, and spacious interior. It comes with a 3.5L V6 engine producing 270 horsepower and 248 lb-ft of torque, paired with a 6-speed automatic transmission. What people like about the vehicle is its comfortable ride, luxurious interior, and reliability. Common complaints include mediocre handling, a somewhat dated infotainment system, and potentially expensive repairs (as it is a luxury vehicle). There were also front wheel drive and all wheel drive models available.

Engine

3.5L 2GR-FE V6

• Oil Leak from Timing Chain Cover
  • Description/Symptoms: Oil leak is visible around the front of the engine, often dripping onto the belt or ground. Low oil level might be observed.
  • Solution: Replacement of the timing chain cover gasket and resealing the cover.
  • Estimated Cost to Fix: $1200 - $1800+
  • Recalls: None Found
• Water Pump Failure
  • Description/Symptoms: Overheating engine, coolant leak near the front of the engine, whining noise from the engine.
  • Solution: Replacement of the water pump and coolant.
  • Estimated Cost to Fix: $600 - $1000+
  • Recalls: None Found
• VVTi Actuator Failure
  • Description/Symptoms: Rattling noise on startup, especially when cold. Reduced engine performance.
  • Solution: Replacement of the variable valve timing (VVTi) actuator.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found

Transmission

Aisin U660E 6-Speed Automatic Transmission

• Harsh Shifting/Slipping
  • Description/Symptoms: Rough or delayed shifts between gears, particularly when cold. Slipping or revving high between gears.
  • Solution: Often starts with a transmission fluid flush and replacement. If that doesn’t resolve the issue, a valve body replacement or full transmission rebuild might be necessary.
  • Estimated Cost to Fix: Fluid Flush: $200 - $400. Valve body: $1,000 - $2,000. Rebuild: $3,000 - $5,000+
  • Recalls: None Found

Suspension

• Strut/Shock Absorber Failure
  • Description/Symptoms: Bouncy or unstable ride, excessive body roll during turns, noises from the suspension (clunking, squeaking), uneven tire wear.
  • Solution: Replacement of the affected struts/shocks.
  • Estimated Cost to Fix: $400 - $800+ per corner (strut and labor).
  • Recalls: None Found
• Control Arm Bushing Wear
  • Description/Symptoms: Clunking noises from the front suspension when going over bumps, imprecise steering, uneven tire wear.
  • Solution: Replacement of the worn control arm bushings or the entire control arm assembly.
  • Estimated Cost to Fix: Bushings: $300-$600+ per side. Complete Control Arm: $500 - $1000+ per side.
  • Recalls: None Found

Electrical

• Navigation/Infotainment Screen Failure
  • Description/Symptoms: Screen flickering, freezing, or completely blank. Unresponsive touch controls.
  • Solution: Repair or replacement of the navigation/infotainment unit.
  • Estimated Cost to Fix: $500 - $2000+ (depending on the severity and whether it’s a repair or replacement).
  • Recalls: None Found
• Power Door Lock Actuator Failure
  • Description/Symptoms: Door locks not responding to the key fob or door switch. Intermittent locking/unlocking issues.
  • Solution: Replacement of the faulty door lock actuator.
  • Estimated Cost to Fix: $200 - $500+ per door.
  • Recalls: None Found

Exterior

• Headlight Condensation
  • Description/Symptoms: Moisture buildup inside the headlight housing.
  • Solution: Cleaning and resealing the headlight housing, or replacement of the headlight assembly.
  • Estimated Cost to Fix: Resealing: $200 - $400, Replacement: $500 - $1000+ per headlight.
  • Recalls: None Found

Interior

• Dashboard Cracking (Sun Exposure)
  • Description/Symptoms: Cracks appearing on the dashboard surface, particularly in areas exposed to direct sunlight.
  • Solution: Dashboard replacement or the installation of a dashboard cover.
  • Estimated Cost to Fix: Cover: $50 - $200, Replacement: $1500 - $3000+
  • Recalls: None Found

Summary

The 2012 Lexus RX350 is generally a reliable vehicle, but as it ages, certain issues become more prevalent. Engine oil leaks, water pump failures, and transmission problems are among the more expensive potential repairs. Suspension and electrical issues can also occur, contributing to overall ownership costs. While the RX350 boasts a reputation for reliability, being aware of these potential issues can help buyers make informed decisions and budget accordingly for potential maintenance and repairs. The severity of these issues varies, but they all have the potential to cause significant problems if left unaddressed. The costs can range from a few hundred dollars for minor fixes to several thousand for major repairs.