I'm seeing coolant circulating - a strong flow into overflow bottle - when the heating is on high in the car.
When I turn off the heat I'm seeing no coolant circulating at all.
What are the typical causes of this?
I'm seeing coolant circulating - a strong flow into overflow bottle - when the heating is on high in the car.
When I turn off the heat I'm seeing no coolant circulating at all.
What are the typical causes of this?