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What to Do About Abnormal Noise from Electric Power Steering on Rough Roads?

5 Answers
Lopez
07/29/2025, 10:08 AM

Solutions for abnormal noise from electric power steering on rough roads include: 1. Faulty electric power servo motor, which needs replacement; 2. Aging or damaged seals in the universal joint or internal bearings of the steering gear, requiring replacement; 3. Sticking power assist motor, where pressing the steering wheel manually can eliminate the noise. Electric power steering mainly consists of a torque sensor, speed sensor, motor, reduction mechanism, and electronic control unit. The power steering systems equipped in vehicles are generally categorized into mechanical hydraulic power steering systems, electro-hydraulic power steering systems, and electric power steering systems. Features of electric power steering: 1. High adaptability; 2. Compact structure, easy installation; 3. High reliability, maintenance-free; 4. Equipped with self-diagnosis and safety control functions.

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LaMargaret
08/13/2025, 02:04 AM

The electric power steering system is making strange noises on rough roads, and I reckon there could be multiple reasons. For instance, components in the steering system might have loosened, or the motor bracket or bolts might not be properly secured, causing friction sounds when driving on bumpy roads. It could also be due to dust or dirt clogging around the steering column, generating noise through friction. More serious issues might involve faults in the control module or sensors, where unstable signals during bumps lead to abnormal sounds.

I suggest first parking in a quiet place, opening the hood, and carefully listening to locate the source of the noise to roughly identify the problem area. Then, inspect visible components like the steering shield for any signs of looseness, and manually shake them to check for stability. If there's noticeable wobbling, try tightening them with tools—but avoid forcing it to prevent damaging electronic components. For safety, avoid driving too fast on rough roads to prevent further damage.

It’s best to take the car to a professional repair shop as soon as possible for a comprehensive diagnostic check. They can test for electrical issues or determine if parts need replacement, ensuring safe and reliable driving. To prevent such problems, always avoid hard impacts on steering system components and slow down when driving on rough terrain.

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VonAutumn
10/10/2025, 03:18 AM

My car's electric power steering system also made strange noises recently, creaking nonstop when driving on bumpy roads, which was really annoying. I tried checking the chassis and steering linkage myself and found a loose screw, possibly caused by the rough ride. After simply tightening it with a wrench, the noise reduced. But this is only temporary—the issue might be more complex, like internal motor wear or poor wiring contact. If the noise persists, it could be due to aging ball joints or rubber bushings, which over time can lead to bigger failures. I suggest the owner first check the easier parts, like cleaning dust or tightening visible components. If that doesn’t work, avoid forcing repairs on electronic parts to prevent short circuits. When encountering noise while driving, slow down immediately and maintain low speed to reduce vibration damage. During regular maintenance, have a technician inspect the steering system’s tightness to prevent early wear. Addressing issues early saves money and hassle.

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SanCorbin
11/23/2025, 03:29 AM

When encountering steering gear noise, I immediately think of safety hazards. The noise on bumpy roads might be a precursor to steering failure. Common causes include loose components or sensor malfunctions affecting power assist effectiveness. For handling, first stop in a safe place to test steering force. If steering works normally after the noise, it might be a minor issue like loose fasteners; otherwise, serious problems like module failure require professional inspection. Don't ignore such sounds to prevent accidents.

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DelEden
01/13/2026, 10:13 PM

Over the years of driving, I've developed the habit of preventing steering issues. Electronic power steering noises on rough roads are often caused by dust accumulation or loose connection points. Regular maintenance can prevent this. I always have the technician inspect the steering motor bracket and bolts during each service, and clean the undercarriage to reduce debris. Slowing down on bumpy roads also reduces vibration impact. Good prevention saves money and brings peace of mind.

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