2005 Chevrolet Impala Owner's Manual - Page 282

3. Fill the radiator with the proper DEX-COOL® coolant mixture, up to the base of the filler neck. See Engine Coolant on page 5-26 for more information about the proper coolant mixture. 4. Rinse or wipe any spilled coolant from the engine and the compartment. 6. Put the cap back on the coolant recovery tank, but leave the pressure cap off. 7. Start the engine and let it run until you can feel the upper radiator hose getting hot. Watch out for the engine cooling fans. 8. By this time, the coolant level inside the radiator filler neck may be lower. If the level is lower, add more of the proper DEX-COOL® coolant mixture through the filler neck until the level reaches the base of the filler neck. 9. Then replace the pressure cap. At any time during this procedure if coolant begins to flow out of the filler neck, reinstall the pressure cap. Be sure the cap is hand-tight and fully seated. 10. Check the coolant in the recovery tank. The level in the coolant recovery tank should be at the cold fill line when the engine is cold. 3.9L V6 Engine shown, 3.5L V6 Engine similar 5. Then fill the coolant recovery tank to the cold fill line. 5-36