If your vehicle is showing steering feels unusually heavy, sluggish, or unresponsive, here are the most likely causes and the parts you'll need to fix each one.
The most common reason for heavy steering is low power steering fluid, usually caused by a leak in the hoses or pump. Without enough fluid, the hydraulic system cannot provide assist.
The belt that drives the power steering pump may be loose, worn, or contaminated with oil, causing it to slip and fail to turn the pump effectively.
The pump itself can wear out internally, losing the ability to generate the hydraulic pressure needed to assist your steering.
In modern vehicles without hydraulic fluid, the electric motor that provides steering assist can overheat, blow a fuse, or fail entirely.
Worn out or improperly installed ball joints and tie rods (e.g., over-tightened or lacking grease) can physically bind, making the steering wheel hard to turn.
The internal seals of the steering rack can blow out, or the gears can bind, resulting in a complete loss of power assist or a physically jammed steering feel.