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Rack and pinion gear wear is usually caused by long-term use and lack of proper lubrication. Especially in hydraulic power steering systems, rack and pinion gear wear will directly affect the pressure transmission of hydraulic oil, causing the steering wheel to turn heavy.

Typically, a repaired rack can last 3 to 5 years, or even longer, depending on the type of vehicle, the environment in which it is used, and the maintenance it has been given. If there are obvious problems such as steering stiffness, abnormal noise, or oil leakage after the repair, they should be inspected and replaced as necessary.

The production cost of a car is one of the key factors in determining whether to use a power steering rack. For some economical models with limited budgets, using a traditional mechanical steering system can greatly reduce manufacturing costs.

The power steering gear and rack and pinion are the two core components of the steering system. They are not directly "connected" to each other in terms of physical structure, but work together through control force and power assistance.

1970s: Power steering becomes standard in cars In the 1970s, power steering racks gradually changed from an optional configuration to a standard configuration for most cars on the US market. In particular, as the size and weight of cars increased further, manual steering systems became increasingly impractical.

The power steering gear is connected to the vehicle's steering link, which is directly connected to the wheel knuckle. When replacing the power steering gear, the steering link must be removed from the steering knuckle.