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Home >> Hummer >> 2006 >> H3 Automatic >> Repair and Diagnosis >> Steering >> Power Steering System >> Repair Instructions >> Checking and Adding Power Steering Fluid
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Checking and Adding Power Steering Fluid

NOTE: 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. Fig 1: View Of Pump Reservoir Cap
    GM1368346Courtesy of GENERAL MOTORS CORP.
  2. Remove the reservoir cap.
    • The bottom of the hatched area is the Add level at (21°C) 70°F.
    • The top of the hatched area is the Cold level at (21°C) 70°F.
  3. Inspect the power steering pump fluid level at regular intervals, with the fluid at approximately (21°C) 70°F.
    • If the power steering fluid is too hot allow the fluid to cool to approximately (21°C) 70°F.
    • If the power steering fluid is too cold, run the engine until the fluid reaches approximately (21°C) 70°F.
  4. If the fluid level is low, add power steering fluid to the proper fluid level. Refer to Fluid and Lubricant Recommendations in Maintenance and Lubrication.
  5. Install the reservoir cap.
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