Technician A says that one heater hose should be hot and the other hose cool if the heater is functioning okay. Technician B says that both hoses should be hot to the touch. Which technician is correct?

Question

Quizplus · Accepted Answer

Technician B is correct because when the heater is functioning properly, the coolant circulates through the heater core, and both hoses should be hot to the touch, indicating that hot coolant is entering and exiting the heater core effectively.

Technician a Says That One Heater Hose Should Be Hot