Exam 111: Tire and Wheel Service

Technician A says that the recommended method of tire rotation is side to side. Technician B says that the recommended method of tire rotation is the modified X method. Which technician is correct?

Technician A says to check tire radial runout to determine the cause of high speed vibration. Technician B says to check tire axial runout to determine the cause of high speed vibration. Which technician is correct?

When using a torque limiting adapter with an air impact wrench, what is the suggested maximum air pressure for the air tool?

Technician A says that inflation pressures vary with outside temperature. Technician B says that under-inflated tires cause reduced fuel economy. Which technician is correct?

It is best to mount a tire with the round sticker aligned with the valve core.

The recommended type of wheel weight to use on aluminum (alloy) wheels is ________.

Most vehicle and tire manufacturers recommend that no more than ________ ounce balance weight be added to a wheel/tire assembly.

Two technicians are discussing a diagnostic procedure where a tire and wheel is spun freely with the vehicle on a hoist. Technician A says that if the treads appear to move inward and outward the tire should be balanced. Technician B says that if the treads move inward and outward the tire is defective and should be replaced. Which technician is correct?

Technician A says that a vibration above 45 MPH indicates a possible out-of-balance tire. Technician B says that a vibration above 45 MPH can only be diagnosed if engine load is considered. Which technician is correct?

In the tool setup shown here, the technician is preparing to measure ________.

Technician A uses silicone lubricant to seat the bead of a tire. Technician B uses motor oil to seat the bead of a tire. Which technician is correct?

To save time, technician A uses an impact socket on an impact wrench to tighten lug nuts. Technician B tightens lug nuts in a criss-cross pattern with a torque wrench. Which technician is correct?

Technician A says that most manufacturers recommend using anti-seize compound on lug studs when installing wheels. Technician B says that air impact wrenches are the best tool to tighten lug nuts. Which technician is correct?

Technician A says that it is recommended that the vehicle be driven less than 50 mph for the first 50 miles to allow the tire to adhere to the wheel. Technician B says that sudden hard acceleration with newly mounted tires can cause the tire to change position on the wheel. Which technician is correct?

What is the proper tightening sequence for lug nuts?

Proper tire inflation pressure specification is found ________.

If a vibration is felt in the steering wheel above 45 MPH, the problem is usually out-of-balance rear tires.

What is the proper instrument for measuring runout?

Which is the preferred method for tire rotation?

Which statement below is FALSE?