Should my power steering pump pulley move in and out?
Should my power steering pump pulley move in and out? End play in the power steering pump is normal. Check all of the other pulleys for roughness when the belt is off. If the tensioner is moving it will make noise also. How does a power steering pump pulley work? A hydraulic power steering pump is driven by a serpentine or drive belt that is attached to the power steering pump pulley. As the pulley is driven by this belt and begins to spin, it turns an input shaft inside the pump which creates pressure inside of the pump's housing....