Technician A says the cooling system must be full for a pressure test to be effective.Technician B says the cooling system should never be pressurized beyond the pressure cap rating.Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct because a pressure test cannot be effective if the coolant level is low or air is trapped in the system. Technician B is also correct because exceeding the pressure cap rating can damage the cooling system components and cause leaks. Therefore, both technicians are correct.

Technician a Says the Cooling System Must Be Full