Exam 25: Steering and Alignment

What is the directional tracking of one axle in relation to other axles on a multi-axle vehicle known as?

Technician A says that power steering systems on heavy-duty highway trucks can be described as hydrostatic systems.Technician B says that all current highway truck power steering systems default to manual operation in the event of a loss of hydraulic power.Who is correct?

What size steering wheel is most commonly used on heavy-duty trucks?

What connects a pair of Ackerman arms on a truck steering system?

What device does a steering knuckle pivot on?

When the wheels are turned to full lock on a truck with 3 degrees of positive caster,which of the following should be observed?

Technician A says that all steering defects should be considered OOS and the vehicle deadlined until the conditioned is repaired.Technician B says that excessive toe-in may cause some accelerated tire wear but should not require a vehicle to be OOS deadlined.Who is correct?

What two steering components does an Ackerman arm connect?

When a vehicle is driven in the straight-ahead position and the thrustline of the axles do not all track perpendicular to the vehicle,which of the following conditions can result?

Technician A says that a cross tube assembly connects a pair of Ackerman arms.Technician B says that tie rod ends have ball sockets built into them.Who is correct?

What measuring tool should be used to check kingpin upper and lower bushing freeplay?

Technician A says that the best way to warm power steering fluid to operating temperature is to start the engine and then cycle the steering from full lock to full lock until the temperature exceeds 140 degrees.Technician A says that the maximum reading on a power steering flow meter will be observed when the gate valve is almost fully closed.Who is correct?

Which of the following accurately describes caster as it applies to heavy-duty trucks?

What is the reason for the hourglass shape that is used on the worm gear on some manual steering gear?

Technician A says that air power steering assist systems are usually retrofit to truck manual steering systems.Technician B says that air power steering assist systems are very rare on modern trucks.Who is correct?