2010 Toyota Sienna

Introduction

The 2010 Toyota Sienna is a minivan that is available with three engine options: a 2.7-liter four-cylinder, a 3.5-liter V6, and a 3.5-liter V6 with dual variable valve timing with intelligence (VVT-i). The four-cylinder engine is paired with a six-speed automatic transmission, while the 3.5-liter V6 engines are paired with a five-speed automatic transmission. The Sienna is offered in seven trim levels: Base, LE, XLE, SE, Limited, XLE Limited, and Limited Premium.

People like the Sienna for its spacious interior, comfortable ride, and good fuel economy. However, some people have reported problems with the vehicle’s engine, transmission, and suspension.

Engine

• 2.7-liter Four-Cylinder
  • Cylinder head warping
    • Description/Symptoms: This issue can cause the engine to overheat and lose power.
    • Solution: The cylinder head must be replaced.
    • Estimated Cost to Fix: $1,500 - $2,500+
    • Recalls: None Found
• 3.5-liter V6
  • Timing chain failure
    • Description/Symptoms: This issue can cause the engine to seize up and fail.
    • Solution: The timing chain and gears must be replaced.
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found
• 3.5-liter V6 with Dual VVT-i
  • Intake manifold runner control valve failure
    • Description/Symptoms: This issue can cause the engine to stall or run rough at idle.
    • Solution: The intake manifold runner control valve must be replaced.
    • Estimated Cost to Fix: $300 - $500+
    • Recalls: None Found

Transmission

• Six-Speed Automatic
  • Shift flare
    • Description/Symptoms: This issue can cause the transmission to slip or jerk when shifting gears.
    • Solution: The transmission fluid and filter must be replaced.
    • Estimated Cost to Fix: $150 - $250+
    • Recalls: None Found
• Five-Speed Automatic
  • Torque converter failure
    • Description/Symptoms: This issue can cause the transmission to slip or shudder when shifting gears.
    • Solution: The torque converter must be replaced.
    • Estimated Cost to Fix: $1,200 - $2,000+
    • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Battery discharge
  • Description/Symptoms: This issue can cause the battery to drain quickly, even when the vehicle is not in use.
  • Solution: The battery must be replaced.
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found
• Alternator failure
  • Description/Symptoms: This issue can cause the vehicle to lose power while driving.
  • Solution: The alternator must be replaced.
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Dashboard rattle
  • Description/Symptoms: This issue can cause the dashboard to rattle or vibrate when the vehicle is in motion.
  • Solution: The dashboard must be removed and re-installed.
  • Estimated Cost to Fix: $150 - $250+
  • Recalls: None Found
• Climate control malfunction
  • Description/Symptoms: This issue can cause the climate control system to not work properly.
  • Solution: The climate control module must be replaced.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Summary

The 2010 Toyota Sienna has a number of potential issues, including engine problems, transmission problems, suspension problems, electrical problems, and interior problems. The severity of these issues can vary, and the cost to fix them can range from a few hundred dollars to several thousand dollars. Overall, the Sienna is a reliable vehicle, but it is important to be aware of the potential problems that it can have.