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Why is the steering wheel of the new Vios heavy?

2 Answers

StVincent

07/23/25 8:46pm

The steering wheel of the new Vios is heavy because the power steering pump is broken. Reasons for a heavy steering wheel: Oil leakage in the power steering pump hose or lack of oil in the oil cup causes a heavy steering wheel. A broken power steering pump belt or a malfunctioning power steering pump results in a heavy steering wheel. Solutions for a heavy car steering wheel: Check if there is a fault in the oil pressure or oil circuit of the power steering pump, and then have it inspected at a 4S store. Principle of the steering wheel: It is connected to the steering shaft via splines, and its function is to convert the force applied by the driver to the edge of the steering wheel into torque, which is then transmitted to the steering shaft. Using a larger diameter steering wheel reduces the hand force required by the driver when turning. The steering transmission shaft, as a connecting component between the steering gear and the steering shaft, facilitates the standardization of the steering gear, compensates for errors during manufacturing and installation, and makes the installation of the steering gear and steering wheel more reasonable in the vehicle.

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Landon

08/10/25 6:39pm

I recently encountered the issue of a heavy steering wheel with the new Vios as well, which usually has several common causes. One is a problem with the power steering system, such as aging electronic components or poor wiring connections in the electric power steering module, resulting in reduced steering assistance and making the steering wheel heavier. Another is insufficient tire pressure; too low pressure increases friction between the tires and the road, making steering more strenuous. There could also be wear in the front wheel suspension or steering shaft, especially if you frequently drive on rough roads, as these components are prone to loosening. Additionally, in cold weather, the steering system lubricant thickens, which may also make the steering feel heavier. It's advisable to regularly check tire pressure and the power steering system and not overlook these small details, as they relate to driving safety. If you notice any abnormality with the steering wheel, it's best to get a diagnosis at a 4S shop and avoid taking risks on the road.

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