The first step in removing the heater core is to disconnect the heater hose from the quick connector. Ideally, you should be able to do this yourself without assistance. It is important to use the correct tool for this process. Otherwise, you could end up damaging the heater hose. A hand saw fitted with a hacksaw blade is suitable for cutting the connector.
How to Remove a Heater Core From a Quick Connector
The plastic quick-connect fittings are located at the ends of the heater hoses. The tool for removing these fittings is called a quick disconnect John Guest Quick Connect Fittings. These tools can be purchased from any auto parts store. Then, you need to file down the tool so that it fits in the back of the fitting. Once this is done, you can carefully remove the rubber hoses. Afterward, you can replace the heater hoses with new ones.
You can also remove the HVAC module assembly. This will allow you to get to the heater core. The HVAC module assembly should contain the wiring harnesses and the ground connection. You can then disconnect the wires from the heater hose. Once the wiring harnesses have been disconnected, you can remove the heater hose from the quick connector.
If you cannot remove the heater hose from the quick connector, you can use a worm type hose clamp. If this doesn’t work, you can also use a special disconnect tool. However, it is important to use extreme care in cutting the heater hose connector. If you do not, you may break the heater core.