The heater hoses on a 305 engine run from the intake manifold to the heater core and the heater core to the radiator. This creates a constant source of heat to supply the heater.
Car will make when running even if heater core is not burned out.
Low coolant and a clogged heater core are possibilities.
The heater core is leaking coolant.
The blower motor can be easily removed under the hood on the firewall. This may or may not give you access to the heater core. If not you will have to remove it from under the dash.
windshield leaking heater core or heater core hoses.
It can do far worse, such as destroy your engine block. I wouldn't worry about your heater core, I would worry about your Engine.
A leaking heater core will cause the engine to overheat because the coolant is leaking out.
Your heater is powered by your heater core. Your engine coolant runs through your engine gets hot, runs through the core heats the air, then back out to radiator. You probably need to replace your heater core.
low coolant? Bad thermostat? Climate control not sensing proper temperature? Heater core plugged or restricted? Heater core airbound?
heater core could be rusty and old or line to heater core could be plogged most likely old heater core
you would have to bypass the heater core first.
At the heater core itself.
no.....the heater would have to be leaking
low water, bad thermostat, vacuum door not working, clogged up heater core, heater valve broken........
No it wont. The heater core is just a small radiator inside the cabin that when the fan is turned on heats the air. A bad heater core will cause you to have no heat inside or will leak coolant on the carpet.
Leak in heater core. Replace core.