2007 Toyota Sienna

The 2007 Toyota Sienna is a popular minivan known for its reliability, spacious interior, and comfortable ride. It was available with two engine options: a 2.7L 4-cylinder (187 hp, 186 lb-ft of torque) and a 3.5L V6 (266 hp, 245 lb-ft of torque). Both engines were paired with a 5-speed automatic transmission. Owners often praise the Sienna for its smooth ride, ample cargo space, and Toyota’s reputation for dependability. Common dislikes include its somewhat bland styling and potential for certain age-related maintenance issues.

Engine

3.5L V6 (2GR-FE)

• Oil Leak from the Valve Cover Gasket
  • Description/Symptoms: Oil leaking down the side of the engine, burning oil smell, low oil level.
  • Solution: Replace the valve cover gasket.
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found
• VVT-i Oil Line Failure
  • Description/Symptoms: Oil leak that can develop quickly, possibly leading to engine damage.
  • Solution: Replace the VVT-i oil line with an updated part.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found
• Water Pump Failure
  • Description/Symptoms: Overheating, coolant leaks.
  • Solution: Replace the water pump, thermostat, and coolant.
  • Estimated Cost to Fix: $400 - $800
  • Recalls: None Found

2.7L 4-Cylinder (1AR-FE)

No Issues Found

Transmission

5-Speed Automatic (U151E/U250E)

• Harsh Shifting/Slipping
  • Description/Symptoms: Rough or delayed shifts between gears, transmission slipping or failing to engage.
  • Solution: Transmission fluid flush may help in some cases, but often requires transmission rebuild or replacement.
  • Estimated Cost to Fix: $200 (flush) / $3,000 - $5,000+ (rebuild/replace)
  • Recalls: None Found

Suspension

• Rear Suspension Sag
  • Description/Symptoms: Rear of the vehicle sagging, especially when loaded, leading to poor ride quality and handling.
  • Solution: Replace rear shocks/struts or install aftermarket air suspension or spring helpers.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found
• Worn Strut Mounts
  • Description/Symptoms: Clunking noise when going over bumps, poor handling, and uneven tire wear.
  • Solution: Replace the strut mounts.
  • Estimated Cost to Fix: $200-$400
  • Recalls: None Found

Electrical

• Power Door Issues
  • Description/Symptoms: Power sliding doors not opening or closing properly, malfunctioning, or making unusual noises.
  • Solution: Check and replace the motor, cables, or sensors associated with the power doors.
  • Estimated Cost to Fix: $200 - $800+ depending on the issue.
  • Recalls: None Found
• Alternator Failure
  • Description/Symptoms: Dimming headlights, trouble starting, battery light on, eventually complete electrical failure.
  • Solution: Replace the alternator.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Exterior

• Rust on Rocker Panels and Wheel Arches
  • Description/Symptoms: Visible rust developing, particularly in areas prone to moisture and road salt exposure.
  • Solution: Rust repair, panel replacement, or rust prevention treatments.
  • Estimated Cost to Fix: $300 - $1000+ depending on severity.
  • Recalls: None Found

Interior

• Dashboard Cracking
  • Description/Symptoms: Cracks appearing on the dashboard, particularly in sun-exposed areas.
  • Solution: Dash cover, dashboard replacement (expensive).
  • Estimated Cost to Fix: $30 - $1,000+
  • Recalls: None Found
• Air Conditioning Malfunction
  • Description/Symptoms: Air conditioning blowing warm air, inconsistent cooling.
  • Solution: Recharge refrigerant, replace compressor, condenser, or other A/C components.
  • Estimated Cost to Fix: $100 - $1,000+ depending on the component.
  • Recalls: None Found

Summary The 2007 Toyota Sienna generally exhibits issues related to age, mileage, and environmental factors. Common problems include engine oil leaks, transmission issues, suspension wear, and electrical problems with the power doors. Interior issues like dashboard cracking and A/C malfunctions can also occur. Repair costs can range from a few hundred dollars for minor fixes to several thousand for major engine or transmission work. While the Sienna is known for its reliability, it’s essential to inspect these potential problem areas when considering purchasing a used model.