Textbook Problem

While diagnosing the cause of air bubbles in the coolant recovery tank: Technician A checks for a bad head gasket. Technician B checks the radiator cap. Who is correct?

1. Technician A

Technician B

Both A and B

Neither A nor B

To determine

While diagnosing the cause of air bubbles in the coolant recovery tank. The technician who is correct.

Explanation of Solution

Given information:

Technician A checks for a bad head gasket.

Technician B checks the radiator cap.

The presence of air bubbles in the cooling recovery tank may be caused due to a bad head gasket or a faulty radiator cap. This can be tested by conducting a compression test or a combustion leak test. The radiator caps which are regulated by pressure relief valves vent the excess pressure inside the system...