SOS Mechanic Certification Practice Exam

Increased steering effort can be caused by a variety of issues related to the steering and suspension components of a vehicle. Worn tie rods, low power steering fluid, and misaligned wheels are all directly linked to enhancing the resistance experienced when steering.

Worn tie rods can lead to play in the steering system, which causes the driver to exert more force to maintain control, particularly at higher speeds. Low power steering fluid can lead to insufficient hydraulic pressure, making it harder to turn the steering wheel. Misaligned wheels can also force the driver to apply more effort to keep the vehicle going straight, as the tires are not properly oriented with each other relative to the road.

Worn ball joints, while they can affect the handling and stability of a vehicle, typically do not directly contribute to an increase in steering effort in the same way that the other options do. Instead, they may manifest as a loose feel in the steering or cause uneven tire wear, which can lead to other issues but not necessarily to increased steering effort in the immediate sense. Thus, this is why worn ball joints are identified as not being a primary cause of increased steering effort.