2007 Pontiac Grand Prix Owner's Manual - Page 373

3800 V6 Supercharged Engine shown, 3800 V6 Engine similar 5. Fill the radiator with the proper DEX-COOL® coolant mixture, up to the base of the filler neck. See Engine Coolant on page 360 for more information about the proper coolant mixture. If you see a stream of coolant coming from the air bleed valve, close the valve. Otherwise, close the valve after the radiator is filled. 6. Rinse or wipe any spilled coolant from the engine and the compartment. 7. Replace the 3800 Series III V6 engine cover shield. 7.1. Remove the oil fill tube, with cap attached, from the valve cover. 7.2. Insert the catch tab on the cover shield under the bracket on the engine. 7.3. Place the hole in the cover shield over the hole in the valve cover. Install oil fill tube and cap by twisting clockwise. 8. Then fill the coolant recovery tank to the cold fill line. 9. Put the cap back on the coolant recovery tank, but leave the pressure cap off. 373