2009 Hummer H3T Alpha Owner's Manual - Page 265

Service and Appearance Care 5-29 Power Steering Fluid How to Check Power Steering Fluid 1. Turn the key off and let the engine compartment cool down. 2. Wipe the cap and the top of the reservoir clean. 3. Unscrew the cap and wipe the dipstick with a clean rag. 4. Replace the cap and completely tighten it. What to Use To determine what kind of fluid to use, see Recommended Fluids and Lubricants on page 6-12. Always use the proper fluid. Notice: Use of the incorrect fluid may damage the vehicle and the damages may not be covered by the vehicle's warranty. Always use the correct fluid listed in Recommended Fluids and Lubricants on page 6-12. See Engine Compartment Overview on page 5-10 for reservoir location. 5. Then remove the cap again and look at the fluid level on the dipstick. The level should be between the ADD and FULL marks. If necessary, add only enough fluid to bring the level up to the proper range. When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless a leak in the system is suspected or an unusual noise is heard. A fluid loss in this system could indicate a problem. Have the system inspected and repaired.