When attempting to diagnose a vibration that is present only when the car is cruising at highway speeds, Technician A says that the problem may be caused by out-of-balance tires. Technician B says that the problem may be caused by a worn wheel bearing.

A vehicle with a direct TPMS system keeps showing “Low-Left Front Tire,” but when checked, the tire is within specification. Which of the following would be the most likely cause? A broken reluctor wheel Multiple TPMS sensors have failed The tires were rotated without doing a re-learn procedure A faulty wheel speed sensor

Explain in detail about Vehicle Aerodynamics

which of the following statements about drum brakes equipped with star wheel automatic adjuster is correct? a) the adjustment mechanism is located on the primary shoe b)they are set to adjust when the vehicle is moving forward c)the adjustment mechanism is located at secondary shoe d)they automatically adjust when the brakes are not applied