2007 Lexus IS350
The 2007 Lexus IS350 is a popular luxury sport sedan known for its blend of performance, reliability, and comfort. It was offered with two engine options: a 2.5L V6 (IS250) and a 3.5L V6 (IS350), with the 3.5L engine producing 306 horsepower and 277 lb-ft of torque. Both engines were paired with a 6-speed automatic transmission, though the IS250 was also available with a 6-speed manual. Owners often praise the IS350 for its smooth and powerful engine, comfortable ride, and upscale interior. However, some common complaints include issues with the dashboard cracking, carbon buildup, and potential for oil leaks.
Engine
3.5L 2GR-FSE V6
- Carbon Buildup on Valves
- Description/Symptoms: Direct injection engines are prone to carbon buildup on the intake valves because there is no fuel washing over the valves to clean them. Symptoms include rough idle, misfires, decreased fuel economy, and reduced performance.
- Solution: A professional walnut blasting service to clean the intake valves is the most common solution. Installing an oil catch can can reduce future buildup.
- Estimated Cost to Fix: $500 - $1000+
- Recalls: None Found
- Oil Leaks (Valve Cover Gaskets/Timing Cover)
- Description/Symptoms: Oil leaks can develop from the valve cover gaskets or timing cover, leading to oil spots under the car and a burning oil smell.
- Solution: Replacement of the valve cover gaskets and/or resealing the timing cover.
- Estimated Cost to Fix: $200 - $800+
- Recalls: None Found
Transmission
A760E 6-Speed Automatic (Both Engine Options)
- Torque Converter Issues
- Description/Symptoms: Shuddering or hesitation during acceleration, especially at lower speeds. This can be due to a failing torque converter.
- Solution: Replacing the torque converter.
- Estimated Cost to Fix: $800 - $1500+
- Recalls: None Found
Suspension
- Lower Control Arm Bushings
- Description/Symptoms: Worn lower control arm bushings can cause clunking noises from the front suspension, especially when going over bumps. It can also lead to poor handling and tire wear.
- Solution: Replacement of the lower control arm bushings, or the entire lower control arm.
- Estimated Cost to Fix: $200 - $600+ per side
- Recalls: None Found
Electrical
- Navigation Screen Failure
- Description/Symptoms: The navigation screen can fail, leading to a loss of navigation, audio, and climate control functionality.
- Solution: Replacing the navigation screen unit or sending it in for repair.
- Estimated Cost to Fix: $300 - $1500+
- Recalls: None Found
- Headlight Bulb Failure
- Description/Symptoms: Premature headlight bulb failure, especially with HID (High-Intensity Discharge) headlights.
- Solution: Replacing the headlight bulbs.
- Estimated Cost to Fix: $50 - $300+ per bulb depending on type.
- Recalls: None Found
Exterior
- Roof Rack Leaks (if equipped)
- Description/Symptoms: Water leaks into the cabin through the roof, usually near the headliner, due to failing seals on the roof rack mounting points.
- Solution: Resealing the roof rack mounting points.
- Estimated Cost to Fix: $100 - $400+
- Recalls: None Found
Interior
- Dashboard Cracking
- Description/Symptoms: Cracking of the dashboard, particularly on the top surface.
- Solution: Replacement of the dashboard or installation of a dashboard cover. Note: This may be covered by an extended warranty or recall depending on the age and mileage of the vehicle.
- Estimated Cost to Fix: $800 - $2000+
- Recalls: None Found
Summary
The 2007 Lexus IS350 is generally a reliable vehicle, but it does have some common issues. The dashboard cracking is a prevalent and costly problem. Carbon buildup is a common issue with direct injection engines and will need to be addressed preventatively. Oil leaks, suspension wear, and electrical issues can occur. While not all IS350s will experience these problems, it’s important to be aware of them when considering purchasing or maintaining this vehicle. The severity of these issues ranges from minor inconveniences to potentially expensive repairs.