Technician A says that when using a flare-nut wrench, two wrenches must often be used. Technician B says to use an open-end wrench on fuel fittings. Who is right?

Question

Quizplus · Accepted Answer

Technician A is correct in saying that when using a flare-nut wrench, two wrenches must often be used to prevent the fitting from twisting or damaging the fuel line. Technician B is incorrect as fuel fittings require a specialized tool, such as a flare-nut wrench, to prevent damage or leaks. It is not recommended to use an open-end wrench on fuel fittings.

Technician a Says That When Using a Flare-Nut Wrench, Two