Sometimes you can hear the antifreeze/coolant flowing back through the hoses from the heater coil when you shut off the car. This usually lasts only a couple of seconds. My truck does it when I run the heat in the winter. When you are running the heat in the winter you are sending antifreeze/coolant through a "heater coil" that disperses the heat from the fluid through coils which a fan blows into your car. Since the system is pressurized when the engine is running, it returns to normal when you shut off the engine sending fluid back to it's normal level.
Bull Connor
They didn't have hoses. The technology to make the hoses and pump water through them hadn't been invented.
the heater core in the heater unit may not have air going through it, or the hoses for the water to pass through the heater core may be broken. Or the flaps controlling the airflow may not be working correctly
In line on the heater hoses on the passenger side of the engine. Has a small vacuum line to it and both heater hoses go through it. The heater hoses are smaller than the radiator hoses and go through the firwall.
Radiator cap
cracked hoses
No, Drano should not be used in rubber hoses as it can cause damage to the hose material. It is designed to break down clogs in drains, not suitable for use in rubber hoses.
check radiator cap for wear. defective cap can cause radiotor hoses to collapse.
Hey Cari==Make sure there is good air flow around and through the alternator. Restrictions from heater hoses around alternators can cause them to overheat and fail. GoodluckJoe
Either pull the hoses off of the heater core and flush the core out or pull the hoses off the block and flush the heater core through the hoses..............
the hoses leading to and from your radiator might be clogged. If you had a rusty radiator, the rust may have clogged the hoses that carry the coolant. you should check all your hoses and even flush them out.
Remove the two hoses that go through the firewall to the heater. Connect these two hoses together.