Question

As shown, a tester pump is being used to pressure test the engine cooling system. How much pressure should be applied to the cooling system when operating a tester pump?

-15 psi
-17.5 psi
-20 psi
-22.5 psi

Answer 1

The amount of pressure that should be applied to the cooling system when operating a tester pump is typically between 15 psi and 22.5 psi.

Step-by-step explanation:

The amount of pressure that should be applied to the cooling system when operating a tester pump depends on the specific requirements of the engine cooling system. However, the typical range for pressure testing an engine cooling system is between 15 psi and 22.5 psi.

Considering the options given, the most appropriate answer would be 22.5 psi.