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Does a Sienna have shocks or struts?

The Toyota Sienna minivan uses struts, not shocks, in its front suspension system. Struts are a combination of a shock absorber and a coil spring, providing both damping and spring functions in a single unit. This design is commonly used in the front suspension of many vehicles, including the Sienna.


Understanding the Sienna's Suspension System


The Toyota Sienna is equipped with a MacPherson strut suspension system in the front and a torsion beam suspension in the rear. MacPherson struts are a type of independent front suspension that combines a shock absorber and a coil spring into a single unit.



  • The strut assembly includes the shock absorber, coil spring, and other components that allow the wheel to move up and down in response to road conditions.

  • Struts provide both the damping function of a shock absorber and the spring function of a coil spring, helping to absorb bumps and maintain a smooth ride.

  • In contrast, a shock absorber is a separate component that only provides the damping function, without the spring component.


The use of struts in the Sienna's front suspension helps to provide a comfortable and controlled ride, as well as improved handling and stability compared to a traditional shock absorber setup.


Maintenance and Replacement of Sienna Struts


Like any suspension component, the struts on a Toyota Sienna can wear out over time and may need to be replaced. Signs that the Sienna's struts may need attention include:



  • Excessive bouncing or poor ride quality

  • Uneven tire wear

  • Difficulty steering or handling the vehicle

  • Leaking or damaged strut components


It's recommended to have the Sienna's struts inspected and replaced as needed to maintain optimal performance and safety. Replacing the struts on a Sienna is a more involved repair than simply replacing shock absorbers, so it's best left to a qualified mechanic.

How do I know if my car has shocks or struts?


Look Underneath Your Vehicle.
In many cases, shocks will look like a hand pump. Struts, on the other hand, typically look like a coil spring with a shock in the center, but occasionally, the shock is mounted next to the spring.



When should Toyota struts be replaced?


Toyota struts typically last between 50000 to 100000 miles, depending on driving conditions, maintenance, and the specific model of the vehicle. Factors such as road conditions, driving style, and regular maintenance can significantly impact their lifespan.



How do you tell if your struts are bad?


Symptoms of Worn Shocks & Struts

  1. Nose dive when braking.
  2. Bouncy ride.
  3. Vehicle rolls or sways when cornering.
  4. Uneven tire wear.
  5. Rear squat during acceleration.
  6. Vibration in steering wheel.
  7. Unusual noises.
  8. Leaking fluid on exterior of shocks/struts.



What suspension do vans use?


Leaf spring suspension is cheaper, but leaf springs have less flex than coil springs, meaning they don't perform as well. Leaf springs are rarely used in modern cars and are more commonly chosen for suspension systems of vans or trucks.



How much does it cost to replace struts?


How Much Would It Cost to Replace Your Shocks and Struts? A typical shock and strut replacement can set you back anywhere between $450 and $1,100. However, keep in mind that this can vary depending on the type of vehicle suspension you have and your location.



What are the symptoms of a bad strut?


Read on to learn the signs of worn shocks & struts:

  • Nose dive when braking.
  • Bouncy ride.
  • Vehicle rolls or sways when cornering.
  • Uneven tire wear.
  • Rear squat during acceleration.
  • Vibration in steering wheel.
  • Unusual noises.
  • Leaking fluid on exterior of shocks/struts.



Should I replace the struts or just the shock?


Condition of the Struts: If your struts are showing signs of wear, such as leaking fluid, excessive bouncing, or uneven tire wear, it's likely best to replace the struts along with the mounts. Worn struts can compromise ride quality and handling.



How long do sienna struts last?


Struts and shocks may need to be replaced anywhere between 50k and 100k miles. If at any time the struts or shocks are leaking, broken, or damaged, they should be replaced immediately.



Do vans have shocks or struts?


The three major components of the Sprinter suspension system are springs, shocks and struts, and anti-sway bars. The springs hold the vehicle's weight and allow for “travel,” which is the up and down movement of the spring. Shocks and struts dampen spring movement and oscillation.



How long do struts last on a Toyota Sienna?


Struts and shocks may need to be replaced anywhere between 50k and 100k miles. If at any time the struts or shocks are leaking, broken, or damaged, they should be replaced immediately.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.