Answer:
As the complaint was that the car heater works at times but at other times it blows cold air, then the main culprit would be the thermostat. However, Technician B may partly be right as the coolant level om the cooling system could determine the working level of the heater also.
Explanation:
Actually, the thermostat determine the temperature level of the engine with which the car system works with to produce necessary heat whenever the heater is turned on.
Answer:
Technician B is right.
Explanation:
In order to make sure that the the temperature in the car is kept at constant proportion automobiles are made to have a coolant system or a cooling system. Now, in the above question, the customer said during driving that the heater works sometimes and sometimes only cold air comes. The second technician that is technician B is right because the reason behind the customer's complaint maybe because of low coolant.
The car coolant system might be low because there is blockage in the thermostat or a leak in the radiator.
