Technician A says the harmonic balancer may be attached to the crankshaft using a Woodruff key and center bolt. Technician B says the harmonic balancer may be attached to the crankshaft using a square key and center bolt. Who is correct?

Choose one answer.

a. Technician A

b. Technician B

c. Both Technician A and Technician B

d. Neither Technician A nor Technician B