What Causes the Steering Wheel to Be Extremely Heavy and Difficult to Turn?
2 Answers
Repeatedly turning the steering wheel while stationary or at low speeds places an excessive load on the power steering system, which can cause the steering gear to overheat and enter a protective mode, resulting in heavy steering. Below is an introduction to the steering wheel: 1. Overview of the Steering Wheel: A wheel-shaped device used to control the direction of cars, ships, airplanes, etc. 2. Function of the Steering Wheel: The steering wheel is typically connected to the steering shaft via splines. Its function is to convert the force applied by the driver on the edge of the steering wheel into torque and transmit it to the steering shaft. Using a larger-diameter steering wheel reduces the hand force required from the driver when turning. The steering intermediate shaft, which connects the steering gear and the steering shaft, facilitates the standardization of the steering gear, compensates for errors during manufacturing and installation, and ensures a more rational installation of the steering gear and steering wheel in the vehicle.
I previously encountered a steering wheel so heavy it felt like twisting an iron plate, and I pondered over it for a long time. The most common cause is an issue with the power steering system, such as a faulty hydraulic power steering pump or unusual noises; a loose, broken, or aged power steering belt; insufficient lubrication due to fluid leakage, making steering difficult; or low tire pressure causing the front wheels to drag, especially noticeable during low-speed turns. Last time, my car had a cracked belt, and after replacing it, the steering became smooth immediately. In winter, thickened fluid also increases resistance. I remind everyone to regularly check fluid levels and belt conditions—don’t wait until you’re stranded on the road. A heavy steering wheel isn’t just tiring; it’s dangerous and affects control, making it easy to lose control at high speeds. Get it inspected and repaired at a shop as soon as possible—don’t delay to avoid damaging the steering system. The mechanic said early fixes save money and ensure safety.