1. Park your car on level ground and turn off the engine.
2. Open the hood.
3. Remove the coolant recovery tank cap
4. Locate the heater hose. It is the upper hose that runs from the engine to the heater core.
5. Squeeze the heater hose to force any air out of the hose until coolant fills it. Continue to squeeze the hose until no more air bubbles are visible.
6. Start the engine and let it run for a few minutes.
7. Recheck the heater hose and squeeze again to ensure there's no air bubble in the hose.
8. Repeat steps 5 and 6 until there are no more air bubbles visible in the hose.
9. Once all the air is removed from the cooling system, replace the coolant recovery tank cap.
