2. Close the radiator drain bolt.
3. Refill the radiator with coolant until it is full.
4. Start the engine and run it until it is fully warmed up.
5. Turn off the engine and let it cool down slightly.
6. Open the air bleed screw on the top of the radiator and let any air escape until coolant begins to flow out.
7. Close the air bleed screw.
8. Re-check the coolant level and add more if necessary.
