Why has the A4L steering wheel become heavier?

1 Answers
DelGenesis
07/29/25 1:29pm
Possible reasons include insufficient oil in the steering gear, inadequate lubrication of the steering ball joints, issues with the steering gear itself; insufficient tire pressure; or changes in front wheel alignment. If accompanied by increased fuel consumption and severe tire wear, it is likely caused by the latter two reasons. It is recommended to visit a 4S store for timely inspection and adjustment. Related explanations are as follows: 1. EPS: If this problem occurs during high-speed driving, it is due to a vehicle feature called Electric Power Steering (EPS) system. EPS stands for Electric-Power-Steering, which generally consists of a mechanical steering system plus components such as a torque sensor, speed sensor, electronic control unit, reducer, and motor. 2. Principle: Based on the traditional mechanical steering system, the EPS uses an electronic control device to generate corresponding magnitude and direction of auxiliary power from the motor, according to the torque signal from the steering wheel and the vehicle's speed signal, assisting the driver in steering operations. This is how the stability of the steering wheel is improved, and it is not a vehicle issue.
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