1998 Chevrolet Lumina Owner's Manual - Page 265

How To Check Power Steering Fluid When the engine compartment is cool, wipethe cap and the topof the reservoir clean, then unscrew the cap and wipe the dipstick with a clean Replace the cap and rag. completely tightenit. Then removethe cap again and look at the fluid level on the dipstick. For the 3100 engine, when the engine compartmentis hot, the level should be at the H mark. When it'scold, the level should beat the C mark. If the fluid is at the ADD mark, you should addfluid. For the 3800 engine, the level should be at the HOT mark when the engine compartment is hot. the If fluid is at the ADD mark, you should addfluid. What to Use To determine what kind fluid to use, see of "Recommended Fluids and Lubricants" in the Index. Always use the proper fluid. Failure to use the proper fluid can cause leaks and damage hoses and seals. 6-27