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What are the reasons for the buzzing noise of the power steering pump?

1 Answers

MacJohn

07/29/25 5:27pm

Direction assistance pump buzzing reasons are: 1. The sound of the pressure limiting valve during operation, which is normal; 2. The filter screen is blocked, causing the pump to make noise. The oil pot with a filter screen will become clogged over time and needs to be cleaned; 3. There is a problem with the power steering oil pump, such as air intake in the power steering oil pump, leakage in the high-pressure oil pipe, or issues with the oil pot; 4. Lack of power steering fluid, simply add power steering fluid. The car power steering pump is very important for the driver to control the correct driving direction. If there is a problem with the power steering system, it will affect the driving direction and thus the entire driving safety. Car power steering pumps mainly use hydraulic power assistance, electric power assistance, steering electric power assistance, mechanical hydraulic power assistance, and electronic hydraulic power assistance.

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