Technician A says that before checking rotor runout on a truck equipped with air disc brakes,the wheel bearings must be verified to be properly adjusted.Technician A says that rotor thickness is measured with a dial indicator.Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct because ensuring the wheel bearings are properly adjusted is crucial before checking rotor runout to get an accurate measurement. Technician B is incorrect because rotor thickness is typically measured with a micrometer, not a dial indicator, which is used for measuring runout.

Technician a Says That Before Checking Rotor Runout on a Truck