They are not the same concept. Rack and pinion is a specific mechanical structure responsible for converting the rotation of the steering wheel into the steering of the wheels; while power steering is an auxiliary system designed to reduce the amount of effort required by the driver during steering.

Exhibition information: ● Exhibition name: Automechanika Dubai 2025 ● Exhibition date: December 9 to 11, 2025 ● Exhibition location: Dubai World Trade Centre, UAE

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The steering systems of midsize sedans and SUVs are more complex, and the weight of the rack and pinion steering system may increase slightly. Generally speaking, the steering system weight of such vehicles is about 5 to 7 kilograms.

The structure of the recirculating ball steering system is relatively complex, involving screws, nuts, recirculating steel balls and multiple connecting rod components. This complexity makes the system more time-consuming and costly to manufacture and repair. In contrast, the rack and pinion steering system has a simple structure, consisting only of a rack and a pinion, which makes it cheaper to manufacture and relatively easy to maintain.

A rack and pinion steering system is a mechanical steering system that uses the interaction of a rack and pinion to convert the rotational motion of the steering wheel into lateral movement of the wheels. This relatively simple design is very efficient and has been widely used in many vehicles, including cars, SUVs and light trucks.

Although the basic design of the two is similar, the steering ratio of the power system is usually designed to be lower due to the addition of the power system, while the manual system tends to have a higher steering ratio.

The following are some common names for hydraulic steering gears: 1. Power Steering System 2. Assisted Steering 3. Hydraulic Power Steering System 4. Rack and Pinion Steering 5. Hydraulic Assist System

A damaged steering rack may cause inaccurate steering of the vehicle. This phenomenon is usually manifested as the actual steering angle of the vehicle does not match the expected one after the driver turns the steering wheel, or the steering response is slow.

Selected innovative model: Citroën 2CV The Citroën 2CV was the first car in the world to use a rack and pinion steering system extensively. The car debuted at the Paris Motor Show in 1948 and became a major highlight of the automobile market at the time.