A customer complains that the heater works sometimes, but ...

[sheilaspns]

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. Which technician is correct?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B

[hollysheppard095]

Technician B only

[sheilaspns]

Thanks for the timely response, appreciate it

[brbarasa]

Excellent