GM Service Manual Online
For 1990-2009 cars only

Whine Noise in Steering Pump for Chevrolet Lumina 2000

Problem

Action

Low fluid level

  1. Inspect the fluid level.
  2. Refer to Power Steering Gear and Pump Leaks .

  3. Add fluid as necessary.
  4. Refer to Checking and Adding Power Steering Fluid .

Scored pressure plates and vanes

Replace the components as necessary.

Refer to Power Steering Pump Replacement .

Scored pump brush

Replace the pump brush as necessary.

Refer to Power Steering Pump Replacement .