Question

1. an owner of a vehicle equipped with abs brakes complained that whenever he tried to stop on slippery roads, the brake pedal would pulse up and down rapidly. technician a says that this is normal for many abs units. technician b says that the abs unit is malfunctioning. which technician is correct? a) technician a only b) technician b only c) both technicians a and b d) neither technician a nor b

Explanation:

When driving on slippery roads with ABS - equipped vehicles, the pulsing of the brake pedal is a normal operation of the ABS system. It rapidly pumps the brakes to prevent wheel lock - up. So Technician A is correct. The pulsing is not a sign of malfunction, so Technician B is incorrect.

Answer:

A. Technician A only