Where is heater control valve located?
The heater control valve allows the flow of coolant through the heater core to be controlled and switched on and off without affecting the operation of the rest of the cooling system. It may be located on the inlet or the outlet port of the heater core and activated by a cable, electronic control, or a vacuum signal.
What happens when a heater control valve is bad?
A faulty heater control valve may not be able to properly control coolant flow to the heater, which may result in problems with operating the heater. The heater may produce hot air, but only at certain times, such as at idle, and the hot air may come and go.
How much does it cost to replace a corolla heater control valve?
The average cost for a Toyota Corolla heater control valve replacement is between $218 and $244. Labor costs are estimated between $97 and $122 while parts are priced at $122. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.
What are common reasons my Toyota Corolla has heater problems?
What are common reasons my Toyota Corolla has heater problems? While there are a variety of reasons your Toyota Corolla heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. See what others are asking about their Toyota Corolla.
How does a heater control valve work in a car?
The heater control valve moderates the amount of heat the cabin gets when the heater is in use. It does this by regulating the amount of hot engine coolant that can enter the heater core. When little or no coolant flows into the heater core, the air from the vents will remain cool. When the valve opens, the air will turn very warm.
What should I do if my heater control valve is leaking?
If the heater control valve is leaking, you shouldn’t drive the vehicle — overheating can result from any coolant leak. In this situation, it’s best to have the vehicle towed to a repair shop. If the heater control valve is simply unresponsive, it won’t affect drivability in any way.