Question

What is the desired air gap between the ABS wheel speed sensor and the exciter ring?

a) 1/4" (6.25mm)
b) 3/8" (9.5mm)
c) Air gap is not critical
d) As close as possible

Answer 1

The desired air gap between the ABS wheel speed sensor and the exciter ring is as close as possible without contact, typically around 0.25 mm to 1.0 mm.

Step-by-step explanation:

The desired air gap between the ABS wheel speed sensor and the exciter ring is typically as close as possible without contact. However, the exact specification can vary depending on the vehicle manufacturer and the sensor design. The options provided are extremes, and in actuality, the air gap would be much smaller than those suggestions. For example, a common specification for the air gap might be around 0.25 mm to 1.0 mm. It is very important that the gap is neither too wide nor too narrow to ensure accurate readings and prevent damage to the sensor or the exciter ring.