GM Service Manual Online
For 1990-2009 cars only

    Caution: Refer to Power Steering Required Fluid Caution in the Preface section.

  1. The power steering fluid level is indicated either by marks on a see-through fluid reservoir or by marks on a fluid level indicator on the fluid reservoir cap.
  2. If the fluid is warmed up to 66°C (150°F), the fluid level should be between the MAX and MIN marks. Add fluid as needed.
  3. If the fluid is cool, 21°C (70°F), the fluid level should be at the MIN mark. Add fluid as needed.