What Causes the Plastic Friction Sound in the Steering Wheel?
2 Answers
Here are the reasons for the plastic friction sound in the steering wheel: 1. Friction between plastic parts. Most components of the steering wheel are made of plastic, which hardens in cold weather, leading to squeaky friction sounds when they come into contact. 2. Issue with the steering wheel airbag clock spring. This sound usually comes from inside the steering wheel. Solution: Apply some grease to the airbag clock spring. If the sound persists after greasing, the clock spring needs to be replaced. 3. Aging of the tie rod end ball joint. Besides causing noise, it can also lead to vibrations. Solution: Replace the tie rod end ball joint. Note that a wheel alignment is required after replacement. 4. Loose or damaged stabilizer bar. If this component is faulty, the noise will not only occur when turning the steering wheel but also on rough roads. Solution: Add shims or replace the stabilizer bar. 5. Problem with the shock absorber top mount bearing. Lack of lubrication in the shock absorber top mount bearing can also cause noise. Inspection method: Open the hood and listen if the noise comes from the shock absorber top mount. Solution: Apply grease to the shock absorber top mount bearing. If ineffective, replace the component. 6. Improper tension or aging of the power steering belt. Solution: Adjust the belt tension or replace the belt.
I've been driving for over twenty years and often encounter plastic friction sounds from the steering wheel. The main reason is the aging and hardening of plastic components, such as covers or internal kits, which expand and contract due to exposure to sunlight or temperature changes, causing friction with other parts. Additionally, fastening screws tend to loosen, and the noise becomes more noticeable during long-distance driving due to increased vibration. Ignoring it may lead to increased wear, resulting in less flexible or even stuck steering, which is highly dangerous. I make it a habit to check the tightness of the screws monthly and apply silicone-based lubricant to contact surfaces when necessary, but avoid using oil-based products to prevent damage to electronic components. For prevention, avoiding prolonged exposure to sunlight can slow down the plastic aging process.
