What are the reasons for the hard braking and inability to stop in Wuling Zhiguang?

1 Answers
SanEmery
07/30/25 3:29am
The reasons for the hard braking and inability to stop in Wuling Zhiguang are as follows: 1. Vacuum booster pump failure: The force on the brake pedal needs to be amplified by the brake booster pump. If the vacuum booster pump leaks or malfunctions, braking becomes difficult, meaning that previously the vacuum force of the brake booster pump was relied upon, but now only foot force can be used, and the difference is easily noticeable. 2. Brake fluid aging and deterioration: Brake fluid aging and deterioration are the most direct causes of decreased oil pressure and harder braking. 3. Braking after engine shutdown: The brake booster pump continuously generates vacuum only when the engine is running. When the engine is not running, it relies on the residual vacuum assistance left earlier. Over time, the braking will become harder. However, this phenomenon will recover after starting and is not a fault.
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