1999 Nissan Sentra Owner's Manual - Page 154
1999 Nissan Sentra Manual
Page 154 highlights
3. Open the radiator cap to drain the coolant. 4. Flush the cooling system by running fresh water through the radiator. ADI0615 5. Close the drain plugs on the radiator and the engine block securely. 6. See the ''Technical and consumer information'' section for cooling system capacity. Fill the radiator slowly with the proper mixture of coolant and water. Fill the reservoir tank up to the MAX level. ADI0632 1. Move the heater or air conditioner temperature control dial to the maximum hot position. 2. Open the radiator drain plug. Open the drain plug on the engine block. 7. Open and close the air release plug(s) to release air. Then fill the radiator again and install the radiator cap. 8. Start the engine, and warm it up until it reaches normal operating temperature. Then race the engine two or three times under no load. Watch the engine coolant temperature gauge for signs of overheating. Do-it-yourself 8-7