What are the consequences of water ingress in an electric power steering system?

1 Answers
LaAdrian
07/30/25 5:51am
Water ingress in an electric power steering system can cause the steering wheel to become heavy. Over time, severe cases may result in the steering wheel locking up. If this occurs while driving, the consequences can be serious, posing a high risk of danger. It is recommended to seek timely inspection and repair at a 4S shop. There are three common types of power steering systems: 1. Mechanical hydraulic power steering: The main components of this system include a hydraulic pump, oil pipes, pressure fluid control valve, V-belt, and oil reservoir. This method converts part of the engine's power output into hydraulic pump pressure to provide auxiliary force to the steering system, thereby enabling tire steering. 2. Electro-hydraulic power steering: In this system, the steering oil pump is no longer directly driven by the engine but by an electric motor. Additionally, an electronic control system is added, making the steering assist force not only related to the steering angle but also to the vehicle speed. 3. Electric power steering: This system directly provides steering assistance through an electric motor, eliminating the need for components such as the power steering oil pump, hoses, hydraulic fluid, drive belt, and pulley mounted on the engine. It saves energy and is environmentally friendly.
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