1998 Pontiac Sunfire Owner's Manual - Page 272

Thermostat I When to Check Power Ste ring Fluid It is not necessary to regularly che k power steering fluid unless you suspect there is a eak in the system or you hear an unusual noise. A fluid loss in this system could indicate a problem. Have th system inspected and repaired, Engine coolant tempera,ture is control1ed by a thermostat in the engine coolant system. The themostatstops tlie flow of coolant through the radiator until the coolant reaches a preset temperature. When you replace your thermostat, an ACDelco thermostat is recommended. I How To Check Power Stee ring Fluid When the engine compartment is and the top of the reservoir clean, and wipe the dipstick with a clear and completely tighten it. Then re and look at the fluid level on the 001, wipe the cap :hen unscrew the cap rag. Replace the cap nove the cap again ipstick. l Power Steering Fluid I I The level should be at the "C" rnk Ik. If necessary, add enough fluid to bring the level up o the mark. What to Use To determine what kind of fluid tc "Recommended Fluids and Lubric Always use the proper fluid. Failu fluid can cause leaks and damage use, see ants" in the Index. .e to use the proper loses and seals. t