Introduction
The rear differential plays a key role in enhancing the performance and driving experience of the Rear Differential for 2020 A90 Supra. For Supra enthusiasts and owners alike, understanding how this essential component works can help maintain the car’s high standards on the road. In this article, we will dive into the importance of the rear differential, the different types, and how you can care for or upgrade it to meet your driving needs.
The Importance of a Rear Differential in Sports Cars
The rear differential in any sports car, including the A90 Supra, is responsible for controlling the distribution of power to the wheels. Without a well-functioning differential, a car would struggle to navigate corners, handle different driving surfaces, and maintain traction during acceleration.
Overview of the 2020 A90 Supra
The 2020 A90 Supra is a modern reincarnation of Toyota’s iconic sports car. Equipped with a turbocharged 3.0-liter inline-six engine, this vehicle delivers thrilling power and sharp handling. The rear differential plays a vital role in harnessing this power and translating it into performance.
The Evolution of the A90 Supra
The Supra has a long history, dating back to the 1970s. Over the years, it has evolved into a high-performance sports car with advanced technology, including the rear differential, to keep up with the demands of today’s driving enthusiasts.
What is a Rear Differential?
Understanding the Basics
A rear differential is a mechanical component that sits between the rear wheels. It is responsible for distributing engine power to the wheels while allowing them to rotate at different speeds, especially when turning.
Purpose of a Rear Differential in a Vehicle
The rear differential’s purpose is to improve traction and handling, allowing the car to maintain stability on different terrains. It ensures that the wheels don’t slip during sharp turns, providing a smooth driving experience.
Different Types of Rear Differentials
There are various types of rear differentials, including open differentials, limited-slip differentials (LSD), and Torsen differentials. Each type has its unique characteristics that cater to different driving styles and conditions.
Types of Rear Differentials in the A90 Supra
Open Differential
An open differential is the most basic type and is commonly found in regular vehicles. It allows the wheels to spin at different speeds, but it doesn’t provide much traction in high-performance situations.
Limited Slip Differential (LSD)
The A90 Supra is equipped with a limited-slip differential, which enhances traction by distributing power more evenly between the wheels. This type of differential is designed for performance driving, ensuring better control in tight turns and during acceleration.
How LSD Enhances the Supra’s Performance
The LSD in the A90 Supra provides superior traction by limiting the slip between the wheels. This means that during high-speed maneuvers or cornering, the car remains stable and easier to control, enhancing overall driving dynamics.
Torsen Differential
A Torsen differential, another performance-oriented option, is known for its ability to automatically adjust torque between the wheels, providing even better stability in high-performance situations.
Benefits of a High-Performance Rear Differential in the 2020 A90 Supra
Improved Traction and Handling
A high-performance rear differential ensures that power is distributed effectively to the wheels, leading to better grip and handling on the road.
Enhanced Driving Dynamics
The rear differential contributes to smoother driving, especially during high-speed turns and cornering. For sports car enthusiasts, this translates into a more thrilling and responsive driving experience.
Better Cornering and Stability
Thanks to the rear differential, the 2020 A90 Supra maintains stability even in tight corners, making it an ideal car for spirited driving on both roads and tracks.
How the 2020 A90 Supra’s Rear Differential Works
Distribution of Power to Wheels
The rear differential distributes power from the engine to the rear wheels. When turning, it allows each wheel to rotate at different speeds, ensuring better control and handling.
Torque Control in Different Driving Conditions
The rear differential also controls the amount of torque sent to each wheel, depending on driving conditions. This ensures that the wheels maintain optimal traction, whether you’re on a dry road or a slippery surface.
Effect on Acceleration and Braking
A well-functioning rear differential can improve both acceleration and braking by ensuring that power is delivered smoothly to the wheels. It minimizes wheel spin during acceleration and helps maintain control during braking.
Common Issues with Rear Differentials
Signs of Rear Differential Failure
Some common signs of rear differential failure include unusual noises like grinding or whining, vibrations while driving, and difficulty in turning smoothly.
Unusual Noises and Vibrations
If you hear strange noises coming from the rear of the car, it may be a sign that your differential is worn out or damaged. Vibrations during acceleration could also point to an issue with the differential.
Difficulty in Turning or Driving Smoothly
A failing rear differential can make it difficult to navigate corners smoothly. You might also notice a loss of traction or instability while driving.
Maintenance and Care for the Rear Differential of a 2020 A90 Supra
Importance of Regular Servicing
Regular maintenance of the rear differential is essential to keep it in top condition. This includes checking the differential fluid levels and inspecting the components for wear and tear.
Checking Differential Fluid Levels
One of the easiest ways to maintain the rear differential is by checking the fluid levels regularly. The differential fluid keeps the component lubricated, reducing friction and preventing damage.
How to Avoid Differential Failure
To avoid issues with the rear differential, it’s crucial to service your vehicle according to the manufacturer’s schedule and address any signs of wear early on.
Upgrading the Rear Differential of a 2020 A90 Supra
Why You Might Want to Upgrade
Upgrading your rear differential can significantly improve your car’s performance, especially if you’re looking to take your Supra to the track or want better off-road capabilities.
Performance Gains with Upgraded Differentials
An upgraded differential can provide better traction, faster acceleration, and improved handling, making your driving experience even more exhilarating.
Popular Aftermarket Options
There are several aftermarket rear differentials available for the 2020 A90 Supra, including performance-oriented LSDs and Torsen options that cater to different driving styles.
Rear Differential Replacement Cost for the 2020 A90 Supra
Factors that Affect the Replacement Cost
The cost of replacing a rear differential can vary depending on the type of differential, labor costs, and whether you’re opting for a factory replacement or an aftermarket upgrade.
DIY vs Professional Replacement
While some enthusiasts may attempt to replace the rear differential themselves, it’s generally recommended to have a professional handle the job due to the complexity involved.
Pros and Cons of DIY Replacement
DIY replacement can save you money on labor costs, but it requires a high level of technical skill. If done incorrectly, it can lead to further damage and higher repair costs.
Rear Differential Upgrades for Performance Enthusiasts
Best Rear Differential Options for Track Use
For those who frequently take their Supra to the track, upgrading to a high-performance LSD or Torsen differential can provide better traction and handling at high speeds.
Off-Roading Differentials for Supra Owners
If you’re an off-road enthusiast, there are specific rear differentials designed to handle rough terrains, providing better stability and control.
How to Choose the Right Differential for Your Driving Style
Choosing the right rear differential depends on your driving style and needs. Track enthusiasts may prefer performance differentials, while casual drivers may opt for more basic upgrades.
Conclusion
The rear differential is a critical component in the 2020 A90 Supra, ensuring optimal performance, stability, and control. Whether you’re upgrading or maintaining your differential, keeping it in top shape will ensure that your Supra continues to deliver a thrilling driving experience.
FAQs
What type of rear differential does the 2020 A90 Supra have?
The 2020 A90 Supra comes equipped with a limited-slip differential (LSD), which provides enhanced traction and control during performance driving.
How often should I check my rear differential fluid?
It’s recommended to check the rear differential fluid during regular service intervals or at least once every 30,000 to 50,000 miles.
Can I upgrade my 2020 Supra’s rear differential for better performance?
Yes, many aftermarket options are available to upgrade your rear differential for improved performance, especially for track or off-road driving.
What are the signs of a failing rear differential?
Signs of a failing rear differential include unusual noises, vibrations, difficulty turning, and a loss of traction.
Is it expensive to replace a rear differential on a Supra?
The cost of replacing a rear differential can vary, but it typically ranges from $1,500 to $3,000, depending on the type of differential and labor costs.
