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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Power Steering System) >> Repair Instructions >> Checking and Adding Power Steering Fluid

Checking and Adding Power Steering Fluid

WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
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 70°F (21°C).
    • The top of the hatched area is the Cold level at 70°F (21°C).
  3. Inspect the power steering pump fluid level at regular intervals, with the fluid at approximately 70°F (21°C).
    • If the power steering fluid is too hot allow the fluid to cool to approximately 70°F (21°C).
    • If the power steering fluid is too cold, run the engine until the fluid reaches approximately 70°F (21°C).
  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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