What is the function of a vacuum booster pump?

2 Answers
McMia
07/28/25 7:55pm
The relevant introduction of the vacuum booster pump is as follows: 1. Meaning and function of the booster pump: The automotive booster pump refers to a component that helps improve and stabilize the performance of a car. It mainly assists the driver in adjusting the direction of the car. Currently, most cars are equipped with booster pumps, mainly including steering booster pumps and brake vacuum booster pumps. 2. Classification of booster pumps: In the current market, power steering systems can be roughly divided into three categories: mechanical hydraulic power steering systems, electro-hydraulic power steering systems, and electric power steering systems. In mechanical hydraulic power steering systems, the amount of assistance is only related to the increment (angular velocity) of the steering wheel angle.
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DiBrady
08/12/25 12:43am
Every time I drive, I truly appreciate how light and efficient the brakes are, all thanks to the amazing vacuum booster. It utilizes the natural vacuum created by the engine to amplify the braking force, allowing me to control the car's deceleration with just a gentle press of the pedal—no heavy effort needed. This design is incredibly thoughtful, especially in urban traffic jams or stop-and-go conditions. Without it, I’d have to stomp on the brakes with all my strength, which would quickly tire my ankles and strain my body. The vacuum booster is also connected to the engine via hoses, making smart use of resources without waste—eco-friendly indeed. However, over time, issues like hose cracks or seal degradation can cause vacuum leaks, leading to sudden stiff brakes—a dangerous situation requiring immediate repair. I make sure to maintain it regularly to ensure smooth operation and avoid accidents, especially on highways, because safety always comes first. Comfortable driving relies on this small but vital component, and it even helps save fuel costs.
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