A customer complains that the heater works sometimes, but sometimes only cold air comes out while Driving. Technician A says that the water pump is defective. Technician B says that the cooling system could be low on coolant. Who is right?

Question

Quizplus · Accepted Answer

A low coolant level can cause intermittent heating issues because there may not be enough coolant to circulate through the heater core consistently, leading to periods where only cold air is blown.

A Customer Complains That the Heater Works Sometimes, but Sometimes