02-01-2019, 10:35 PM
The heater acts as a mini radiator, so its pulling heat out of the engine like a radiator would even if the thermostat is closed.
My jeep had a broken radiator fan that I was too lazy to fix. It would overheat in traffic in the summer, and I'd turn the heat on and the temps would drop right down.
My jeep had a broken radiator fan that I was too lazy to fix. It would overheat in traffic in the summer, and I'd turn the heat on and the temps would drop right down.