What Causes the Noise from the Power Steering Pump?

1 Answers
DavidMarie
07/29/25 8:04pm
The causes of noise from the power steering pump are: 1. Internal wear due to poor lubrication when the engine is cold; 2. Insufficient power steering fluid, leading to poor pump performance; 3. Leakage in the power steering return line. Symptoms of a failing power steering pump include: 1. Increased noise during steering; 2. Jerky or sticky steering wheel when turning; 3. Noticeably heavier steering wheel; 4. Inaccurate steering response. Here is some relevant information about automotive power steering pumps: 1. Classification: Automotive power steering pumps are mainly divided into steering assist pumps and brake assist pumps. 2. Steering assist pump: As the power source for vehicle steering, it is the "heart" of the steering system. The brake assist pump is a large-diameter vacuum chamber with a diaphragm (or piston) containing a push rod in the middle, dividing the chamber into two parts: one connected to the atmosphere and the other linked to the engine intake manifold via a pipe.
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