Where does the coolant go when the heater is on?
This heats the coolant, and the cooling system has to circulate it through the radiator to bring the temperature back down. When you turn on your heater, the coolant flows through the heater core inside your dashboard.
Why is my central heating not working after a flush?
Then I whacked the heating and hot water on and turned the thermostat up full. Unfortunately though not much has happened, I still get one radiator downstairs gets warm – The feed side is hot but the return side isn’t. And then a couple of radiators upstairs get luke warm when the return pipes heat up but nothing else.
Why is my car heater not working properly?
Coolant travels through several parts of your engine. A leak from any of those places can prevent your heating system from working properly. You should look for a leak in your water pump and hoses. If your radiator starts leaking, your coolant levels will get too low. You should never ignore a radiator leak.
What happens if you don’t replace coolant in your heater?
When you don’t replace your coolant, it can carry debris that causes those passages to rust or clog. A clogged passage prevents any warm coolant from getting through. You might be able to clear out your heater core passages by flushing them.
This heats the coolant, and the cooling system has to circulate it through the radiator to bring the temperature back down. When you turn on your heater, the coolant flows through the heater core inside your dashboard.
Can a thermostat issue cause coolant to stop flowing?
So, thermostat issues, can cause coolant temperatures to change erratically. Consequently, thermostat issues, can prohibit engine coolant, from flowing normally. So, what thermostat issues, could cause your thermostat to stick open or closed ?
Why is my central air heater not working?
If a device draws enough current to blow a fuse, you’ve probably got a problem somewhere else in the system that will cause the fuse to blow again, sooner or later. Rarely do fuses fail for no apparent reason. This is another common culprit, and may be interfering with the flow of coolant through the heater core.
When you don’t replace your coolant, it can carry debris that causes those passages to rust or clog. A clogged passage prevents any warm coolant from getting through. You might be able to clear out your heater core passages by flushing them.