1. Remove the air intake box: The air intake box is located on the passenger side of the engine bay. It is held in place by several screws and bolts. Remove these screws and bolts and then carefully remove the air intake box.
2. Remove the heater core hoses: There are two heater core hoses located on the firewall. One hose is connected to the top of the heater core, and the other hose is connected to the bottom of the heater core. Use a wrench to loosen the hose clamps and then carefully remove the hoses.
3. Remove the heater core cover: The heater core cover is located behind the heater core. It is held in place by several screws or bolts. Remove these screws or bolts and then carefully remove the heater core cover.
4. Remove the heater core: The heater core is now exposed. It is held in place by two bolts. Use a wrench to loosen these bolts and then carefully remove the heater core.
5. Install the new heater core: Place the new heater core into the position and then carefully insert the two bolts. Tighten the bolts until they are snug.
6. Install the heater core cover: Replace the heater core cover and secure it with the screws or bolts that you removed earlier.
7. Install the heater core hoses: Connect the heater core hoses to the top and bottom of the heater core. Tighten the hose clamps until they are snug.
8. Install the air intake box: Replace the air intake box and secure it with the screws and bolts that you removed earlier.
9. Fill the coolant reservoir: Open the coolant reservoir and fill it with the required amount of coolant.
10. Test the heater: Start the engine and let it run for a few minutes. Turn on the heater and check to make sure that it is blowing hot air.
It is important to note that this is just a general overview of the steps involved in changing the heater core. The specific steps may vary depending on the exact model and year of your vehicle. If you are not comfortable performing this task yourself, it is recommended that you take your vehicle to a qualified mechanic.
