What Causes the Steering Wheel to Become Immovable?
2 Answers
The steering wheel becoming immovable may be due to a malfunction in the locking mechanism, issues with the vehicle's anti-theft system, damage to the power steering pump belt, power steering pump, or steering gear, or severe deformation of the chassis. Common power steering systems include hydraulic and electric power steering. For vehicles with hydraulic power steering, it is necessary to check whether the power steering pump belt is functioning properly and whether the power steering fluid is at the correct level. If these are not the issues, the problem may lie with the power steering pump. For vehicles with electric power steering, check whether the electric power steering connector is properly connected and whether the power supply is functioning correctly. If these are not the issues, the problem may be with the electric steering gear.
There are several common reasons why the steering wheel may become difficult to turn. The most frequent cause is a failure in the power steering system. For electric power steering, this could be due to a malfunctioning motor or controller, while hydraulic power steering issues may stem from a damaged power steering pump or insufficient fluid. Tire-related problems are also common, such as a stuck tire or severely low tire pressure, which can make steering difficult. Another possibility is the steering wheel lock mechanism; turning the steering wheel after the engine is off can trigger the anti-theft lock, and if not unlocked when starting the car, the wheel won't turn. For troubleshooting, first try restarting the vehicle and gently turning the steering wheel to release the lock. If that doesn't work, check the power steering fluid level and tire condition. Mechanical issues like a stuck steering column or damaged universal joint require professional inspection. Timely repairs are crucial to avoid problems, especially at high speeds.