My friend needs to replace his heater core for his 71 chevy caprice and he doesnt know where it is located at. also, does he have to drain the heating system first for it to work?
Yes he has to drain the system. It is located at the bottom of the dashboard. If looking into the engine compartment, you will see whre the hoses connecting to the heater core go into the cab at the back firewall.The heater core is just inside the cab.
I don't have a diagram, but if he is going to replace the heater core, then the location is under the dashboard. it looks like a small radiator. it is kind of hard to remove becauseof the lack of space. If the problem is that the heater does not work, it could be the thermostat too.that has to be replaced..
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so is this going to be the cooling system that is drained then, or is it the HVAC system? also, any pictures or diagrams, or their locations, would be extremely helpful. thanks for everything so far :)
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