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Is the RAV4 CVT transmission equipped with a steel belt or a chain?

2 Answers

VonAdrian

07/23/25 11:16pm

RAV4 CVT transmission uses a steel belt. Below are the relevant details: Power transmission methods: CVT has two power transmission methods, one is a steel belt, and the other is a chain. Generally speaking, steel belts are typically used for low-torque engines, while chains are used for high-torque engines. From a practical usage perspective, chains are undoubtedly more durable, robust, and have a longer service life. Steel belt: The CVT steel belt is based on two embedded steel belts as the foundational support, with hundreds of steel plates attached to the metal belt. This type of push-plate structure can only transmit power by pushing, utilizing the hardness of the material between the push plates to form thrust. The push plates exhibit minimal deformation under external forces. During power transmission, the driving pulley tightly presses the entire side of the steel belt to create static friction, and the driving pulley pushes the driven pulley to rotate via the steel belt.

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DelBeau

08/10/25 7:13pm

I've been driving the RAV4 with CVT for a while and know that its transmission uses a chain instead of a steel belt. The chain design is more robust and durable, less prone to slipping or breaking under high torque loads, especially when an SUV is driving on mountain roads or accelerating. Toyota's Direct Shift technology combines a launch gear with the chain, making the drive smooth and fuel-efficient, unlike some steel belt CVTs that can produce whining noises. Chain maintenance is also simple—just regular transmission fluid changes—and it's less likely to overheat or cause issues. Although steel belts are cheaper, they have a shorter lifespan, while chains are better suited for the power demands of a vehicle like the RAV4.

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