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In 2006, the Chevy Impala can experience problems with the rack and pinion system, resulting in loose steering and clunking noises. It's recommended to replace the power steering fluid every 75,000 miles to maintain proper function. In addition to fluid changes, you may notice noise coming from the steering components. If a bearing is faulty, it can emit an unpleasant sound, while a loose bearing can create a bothersome noise. Good steering is essential for maneuvering on the road, but issues may arise over time. The steering wheel could get stuck or turn unexpectedly, and there may be leaks in the steering fluid. A loosened steering pump can lead to serious issues for your vehicle, as well as potential problems with strut bearings and rack mount.
There are concerns with this vehicle including leakage of power steering fluid, unusual noise like whining or clunking while turning the steering wheel, and difficulty steering at lower speeds.
It will sway noticeably both at high speeds and low speeds. You might also notice a clunking sound when making turns. This issue is caused by a faulty bearing in the lower part of the steering shaft, which can lead to excessive wear on the steering's intermediate shaft, as well as on the wishbone and front engine mounts.