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What are the reasons for abnormal noise when turning the steering wheel of an Audi A4L?

2 Answers

RebeccaRose

08/29/25 7:52am

Audi A4L steering wheel abnormal noise can have multiple causes, which need to be diagnosed based on the actual situation and the type of sound. Below is a detailed explanation: 1. Friction between plastic components. Especially in new cars, the steering wheel is composed of various plastic parts. If the gaps between these parts are too small during rotation, friction can occur. This usually resolves after a break-in period. If the noise persists, consider reassembling the steering wheel. 2. Friction between the steering column and floor mats. Oversized aftermarket floor mats may directly contact the steering column, causing friction as the column rotates. Adjusting or replacing the floor mats can solve this issue. 3. Faulty clock spring (spiral cable) in the steering wheel. If the steering wheel has been disassembled, the clock spring might be broken or its connector might be unplugged. Replacement or reconnection is needed. 4. Worn or loose steering tie rod end. The tie rod end should be replaced, followed by a four-wheel alignment. 5. Leaking steering gear boot. Replacing the boot or re-greasing can resolve this problem. 6. Steering gear malfunction. If terrifying noises occur when turning the steering wheel, it might be due to excessive gear clearance in the steering gear, requiring replacement of the steering gear.

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OHadley

09/11/25 5:22am

As a technician with years of experience in repair shops, I've handled numerous cases of steering noise in Audi A4Ls. This is usually not a minor issue. The most common cause is wear in the steering column bearings, where insufficient lubrication after long-term use leads to a 'creaking' sound when turning the wheel, especially noticeable in older models. Another frequent issue lies in the power steering system—a faulty power steering pump or fluid leakage can produce a 'whining' noise, affecting steering feel. Aging or loosened components in the suspension system, such as ball joints or control arms, may result in a 'thudding' sound during turns, requiring checks for loose chassis bolts. Tire-related problems, like uneven tire pressure or wheel hub deformation, can also indirectly cause noise. Safety comes first, so I advise against DIY fixes and recommend promptly visiting a professional workshop for inspection, as the steering system is critical to the vehicle's overall handling stability—minor issues can escalate into major problems if neglected.

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