Heater cores are one of the most common components that go out on heating and cooling systems. When they go out, it can be a major headache to fix. Luckily, there are a few simple steps you can take to make the repair process a little bit easier. In this blog post, we will walk you through the 5 steps to changing a heater core. We will also include some tips on how to prevent these repairs from happening in the first place.
Identification of the Heater Core
If your engine is not starting, you may need to replace the heater core. A heater core is a system that helps keep your car warm. The most common reason for a heater core to fail is because of a clogged filter. To change the heater core, remove the hood and tailgate. Disconnect the negative battery cable and unscrew the two screws that hold the cover on the top of the Radiator. Lift off the cover and locate the four wires coming out of the back of the engine block (see image). Twist each wire clockwise until it snaps into place (see image). Reconnect everything and screw in the screws (see image). Replace the cover and tighten screws (see image). If you have an automatic transmission, there is also a belt-driven fan inside the radiator. It needs to be replaced along withtheheatercore.
Removal of the Heater Core
If your car has a heater core, you will need to replace it. Heater cores are usually located in the hood of the car. To remove the core, start by removing the screws that hold it in place. Then unplug the wires from the core and pull it out. Once it is out, replace it with a new one.
Cleaning and Inspection of the Heater Core
If your heater core is not heating up, it may be dirty and requires cleaning. Cleaning the heater core can help to prevent future problems. Before you start, check to see if you can hear any clicks or pops coming from the heater core when you press down on it. If so, the heater core may need to be replaced.
To clean the heater core, remove the cover by loosening the screws located at both ends of the cover. Once the cover is off, use a vacuum cleaner with a hose attachment to vacuum all of the dust and debris from inside the core. Be sure to vacuum around all of the fins and cables as well. Replace the cover once cleaned and tighten screws in place.
Reinstallation of the Heater Core
If your car has a defective heater core, you’ll need to take it in for repair. Here’s how to do it:
1. Locate the heater core cover on the rear of your car. Pry it off with a flathead screwdriver.
2. Disconnect the electrical connectors from the Core Cover and Heater Box.
3. Remove the four screws that hold the Core Cover in place (two on each side). It should now come off easily.
4. Unplug the wires from the Heater Box (black and red/black) and set them aside for later use.
5. Replace the Core Cover by aligning it correctly with the screws, then tightening them up using a philips head screwdriver. Plug in the wires and reattach the electrical connectors。