Lexus LS400 hard steering issue due to unbled steering fluid and leaking power steering pump on Lexus LS400

Some Lexus LS400 owners report experiencing hard steering, which may be attributed to several potential issues. Low power steering fluid is a common cause, as insufficient fluid can hinder the lubrication and cooling of the power steering pump, leading to difficulty in turning the steering wheel. Additionally, problems within the power steering system, such as a malfunctioning pump, can also contribute to steering difficulties. Furthermore, if the steering fluid has not been properly bled, it can result in air bubbles that exacerbate the hard steering issue. To resolve these concerns, owners are advised to check the power steering fluid level, have a certified technician inspect the power steering system, and ensure the steering fluid is properly bled for optimal performance.