Whine Noise in Steering Pump for Pontiac Grand Prix 2000

The power steering fluid level is low.

1. Inspect the power steering system for leaks. Refer to Power Steering Gear and Pump Leaks .
2. Fill the power steering system. Refer to Checking and Adding Power Steering Fluid .

The pressure plates and vanes are scored.

Replace the power steering pump. Refer to Power Steering Pump Replacement .

The power steering pump shaft bushing or bearing is scored.

Replace the power steering pump. Refer to Power Steering Pump Replacement .