2019 Toyota Sienna

The 2019 Toyota Sienna is a popular minivan known for its reliability, spacious interior, and available all-wheel drive. It comes standard with a 3.5-liter V6 engine producing 296 horsepower and 263 lb-ft of torque, paired with an 8-speed automatic transmission. Many owners appreciate the Sienna’s comfortable ride, ample cargo space, and reputation for longevity. Some common dislikes include its somewhat dated styling and less engaging driving experience compared to some competitors.

Engine

3.5L V6

• Oil Leaks from Timing Chain Cover
  • Description/Symptoms: Oil leaks originating from the front timing chain cover. May notice oil spots under the vehicle and/or a burning oil smell.
  • Solution: Reseal the timing chain cover.
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found
• Water Pump Failure
  • Description/Symptoms: Coolant leaks from the water pump area, overheating, and potential engine damage.
  • Solution: Replace the water pump and coolant.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Transmission

8-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Abrupt or jerky shifts between gears, particularly at lower speeds.
  • Solution: Software update to the transmission control module (TCM). If problem persists, valve body replacement might be necessary.
  • Estimated Cost to Fix: $150 (software update) - $1,500+ (valve body)
  • Recalls: None Found
• Torque Converter Shudder
  • Description/Symptoms: A shaking or vibrating sensation at highway speeds, especially during light acceleration, indicating torque converter issues.
  • Solution: Replacement of torque converter or flush of the transmission.
  • Estimated Cost to Fix: $800 - $2,000+
  • Recalls: None Found

Suspension

• Rear Suspension Sag/Softness
  • Description/Symptoms: Rear of the vehicle sits noticeably lower than the front, especially when loaded with passengers or cargo. Bouncy or unstable ride quality.
  • Solution: Replace the rear shocks and/or springs.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Electrical

• Sliding Door Malfunctions
  • Description/Symptoms: Power sliding doors failing to open or close properly, getting stuck, or making unusual noises. Can be intermittent.
  • Solution: Inspect and repair/replace the sliding door motor, cables, or latch mechanism.
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found
• Backup Camera Issues
  • Description/Symptoms: Backup camera displaying a blank screen, distorted image, or not activating at all.
  • Solution: Check the camera wiring and connections. Replace the camera unit if faulty.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Exterior

• Automatic Door Lock Issues
  • Description/Symptoms: Doors not automatically locking or unlocking when using the key fob or touching the door handle.
  • Solution: Check the key fob battery, check the door handle sensors, and replace the affected components.
  • Estimated Cost to Fix: $50 - $400+
  • Recalls: None Found

Interior

• Rattling/Squeaking Noises
  • Description/Symptoms: Various rattling or squeaking noises emanating from the dashboard, door panels, or rear cargo area.
  • Solution: Locating and securing the loose components.
  • Estimated Cost to Fix: Varies greatly depending on the source and labor involved, $50-$500+
  • Recalls: None Found

Summary

The 2019 Toyota Sienna, while generally reliable, does have some common issues. The most concerning are potential oil leaks and water pump failures on the engine, and harsh shifting with the transmission. Electrical issues with the sliding doors and backup camera can also be frustrating. The cost of these repairs can range from a few hundred to several thousand dollars, depending on the specific problem and the extent of the damage. Potential buyers should be aware of these potential problems and have the vehicle thoroughly inspected before purchase.