2008 Pontiac Grand Prix Owner's Manual - Page 306

7. Replace the engine cover. 7.1. Remove the oil fill tube, with cap attached, from the valve cover. 7.2. Insert the catch tab on the engine cover under the bracket on the engine. 7.3. Place the hole in the engine cover 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. 3.8L V6 Engine 5. Fill the radiator with the proper DEX-COOL® coolant mixture, up to the base of the filler neck. See Engine Coolant on page 5-24 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. 5-36