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What Causes the Power Steering Pump to Make Abnormal Noises?

1 Answers

NadiaLynn

07/30/25 6:52am

Power steering pump abnormal noise causes: 1. The sound of the pressure relief valve operating, which is a normal phenomenon. The power steering system has a pressure relief valve. When the system pressure reaches a certain value during driving, the pressure relief valve opens to maintain the system pressure within a certain range. At this time, the flow of power steering fluid will produce abnormal noises; 2. Problems with the power steering pump, such as air entering the power steering pump, high-pressure oil pipe leakage, or issues with the oil reservoir, can all cause abnormal noises; 3. Lack of power steering fluid, which can be resolved by adding power steering fluid. The automobile power steering pump refers to a component that helps improve and stabilize car performance, mainly assisting the driver in adjusting the car's direction. Currently, most cars are equipped with power steering pumps, mainly including steering power pumps and brake vacuum power pumps.

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What causes the buzzing noise when the car reaches 100 mph?

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