Technician A says the SAI line is tilted inward in relation to the true vertical tire centerline viewed from the front. Technician B says on a short-and-long arm front suspension, the SAI line is an imaginary line running through the centers of the upper and lower ball joints viewed from the front. 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's statement about the SAI (Steering Axis Inclination) line tilting inward in relation to the true vertical tire centerline is accurate, as this is how SAI is designed to improve vehicle stability and steering feel. Technician B's description of the SAI line running through the centers of the upper and lower ball joints in a short-and-long arm front suspension system is also correct, as this is how the SAI is physically represented in such a suspension setup.

Technician a Says the SAI Line Is Tilted Inward in Relation