Yes it can cause it to overheat but first check your thermostat. That would be the 1st cheapist thing to do before you did anything else. I got an 85 regal(overheating) and the thermostat or the heater core is the problem im getting them both replaced tomorrow and will let know of how it runs.
No, a clogged heater core will not make it overheat. A leaking heater core will.
It could, but I'd start by checking the timing. If it's off the car will overheat, and that's easy to adjust. Heater cores are a grade-A pain to replace because you have to take apart the dash to get to them.
Car will make when running even if heater core is not burned out.
It may need a heater core.
You heater works from water flowing from your radiator to the heater core, you may have a leak in your heater core. You most likely also smell antifreeze inside the vehicle. It is most likely casued by a leaky heater core. Unfortunatly depending upon the make/model/year of your vehicle a heater core can be difficult and/or expensive to replace.
Replacing a heater core typically takes between 4 to 8 hours of labor, depending on the make and model of the vehicle. Some cars have easier access to the heater core, while others require disassembling parts of the dashboard or other components, which can increase labor time. Always consult a repair manual or a professional for specific estimates based on the vehicle in question.
There are hoses in the engine compartment that go to the heater core. You can remove the intake and out going hoses from the heater core. You have to either block off these hoses or connect them together, depending on the make of the vehicle.
To bypass the heater core on a 1994 Oldsmobile Achieva, you need to locate the heater core hoses in the engine compartment. Disconnect the two hoses that connect to the heater core at the firewall. Then, connect a hose between the two engine coolant pipes, effectively creating a loop that bypasses the heater core. Make sure to secure the connections properly to prevent leaks.
To change the heater core on a Pontiac Aztek, locate the heater core on the firewall, passenger side of the vehicle. Remove bolts on the firewall and the clamps on the hoses. Take out the old heater core and replace with new. Tighten bolts and hose clamps. Then check to make sure the radiator is full of antifreeze.
To remove the heater core from a 1998 WF Ford Festiva, first, disconnect the battery and drain the cooling system. Remove the dashboard and the center console to access the heater box. Then, detach the inlet and outlet hoses from the heater core, unscrew any retaining screws, and carefully pull the heater core out of the heater box. Make sure to replace any seals or gaskets upon installation of the new core.
Called a Heater Core in North America. This is a little radiator to make the air in the car warm
Open both front doors, remove everything, replace heater core, reinstall everything. Don't laugh, that is pretty much what you have to do. If you want to tackle the job yourself I would suggest purchasing a shop manual for that vehicle to help you through step by step.