GM Service Manual Online
For 1990-2009 cars only

Notice: When adding fluid or making a complete fluid change, always use the proper power steering fluid. Failure to use the proper fluid will cause hose and seal damage and fluid leaks.

  1. Clean the area surrounding the reservoir cap.
  2. Remove the reservoir cap.
  3. Inspect the fluid level at regular intervals.
  4. 3.1. If the fluid Is cold, perform the following procedure:
             3.1.1. Remove the reservoir cap.
             3.1.2. Inspect the fluid level.
             3.1.3. Ensure that the fluid level is between the bottom of the COLD/FULL mark.
    3.2. If the fluid Is hot, perform the following procedure:
             3.2.1. Run the engine until the fluid reaches about 80°C (170°F).
             3.2.2. Turn the engine OFF.
             3.2.3. Remove the reservoir cap.
             3.2.4. Inspect the fluid level.
             3.2.5. Ensure that the fluid level is between the HOT/FULL and the COLD/FULL marks.

    Important: Check the label on the reservoir to insure the proper fluid is used.

  5. If the fluid level is low, add fluid to the proper level. Refer to Fluid and Lubricant Recommendations .
  6. Install the reservoir cap.
  7. When checking the fluid level after servicing the steering system, bleed the air from the system. Refer to Power Steering System Bleeding .