1. Open the hood of your car.
2. Locate the air intake duct on the passenger side of the engine compartment.
3. Remove the air intake duct by pulling it up and out of its housing.
4. Locate the heater core housing behind the air intake duct.
5. The heater core is located inside the heater core housing.
6. To remove the heater core, you will need to remove the heater core housing.
7. To do this, remove the bolts that hold the heater core housing in place.
8. Once the bolts are removed, you can remove the heater core housing by pulling it straight up and out of the engine compartment.
9. The heater core will be located inside the heater core housing.
10. To remove the heater core, simply pull it out of the heater core housing.
11. Be careful not to damage the heater core when removing it.
12. Once the heater core is removed, you can replace it with a new one.
13. To install the new heater core, simply insert it into the heater core housing and reconnect the hoses.
14. Then, reinstall the heater core housing and the air intake duct.
15. Close the hood of your car and you're done!
