Technician A says damaged threads in a cylinder head can be repaired with a helically coiled insert. Technician B says stripped threads are commonly caused by overtorquing. Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Both technicians are correct. Technician A is correct in stating that damaged threads in a cylinder head can be repaired with a helically coiled insert, which is a common and effective method for repairing stripped or damaged threads. Technician B is correct in stating that stripped threads are commonly caused by overtorquing, as applying too much torque can exceed the strength of the threads, leading to damage.

Technician a Says Damaged Threads in a Cylinder Head Can