Steering Gear Assy 44200-20890 44200-13021 For Toyota Corolla Zze130 Nze120 Allion Premio Azt240,Nzt

Working principle:

1,The electromechanical power steering system (EPS) does not have the hydraulic pump, hydraulic pipeline, steering column valve body and other structures of the hydraulic power system. The structure is very simple. The power generated by the motor is transmitted to the steering system in a purely mechanical manner through the reducer. .
2,The electronic hydraulic power steering system overcomes the shortcomings of the traditional hydraulic power steering system. The hydraulic pump it uses is no longer directly driven by the engine belt, but an electric pump. All its working conditions are the ideal state calculated by the electronic control unit according to the vehicle's driving speed, steering angle and other signals. Simply put, when turning at low speeds and large steering, the electronic control unit drives the electronic hydraulic pump to run at high speed to output greater power, so that the driver can steer the direction and save effort; when the car is driving at high speed, the hydraulic control unit drives the electronic hydraulic pump at a lower speed Operation, without affecting the need for high-speed steering, while saving part of the engine power.

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