Why does my car heater not work when idling?
Two things come to mind, defective or wrong thermostat or low coolant level. The engine makes very little heat when idling, and if the thermostat does not close, the engine coolant temperature may drop low enough that you’ll get no heat from the heater core.
Why has the heating in my car stopped working?
A heater can stop working for a number of reasons, including: A low antifreeze/water level in the radiator due to a leak in the cooling system. A bad thermostat that isn’t allowing the engine to properly warm up. A blower fan that isn’t working properly.
How does the heater on a Toyota Camry work?
Camry No Heat: How the Heater Works At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. At this point, the blower motor blows air across the it and the newly heated air blows on to the driver and passengers.
Why does my car heater have no heat at idle?
Five common causes of no heat from the car heater at idle: Low Coolant level; Air in the system; Stuck open thermostat; Partially blocked heater core; Faulty heater valve; By the end of this post you’ll learn how a heater system works, why your car has no heat at idle, how to diagnose it and what you can do to fix it.
Why is the thermostat on my Toyota Camry not working?
The job of your Camry’s thermostat is to regulate the temperature of the engine. It does this by allowing water to enter the engine when it is getting hot, and by keeping coolant from entering while the vehicle warms up. Sometimes when a thermostat goes bad, it stays stuck open.
What does it mean when your car heater is blowing hot air?
The heater is not blowing hot air either. When a car overheats, it is an indication that there is a problem with the engine cooling system. The purpose of the engine cooling system is to keep the engine at a temperature that is consistent.