Independent suspensions require both wheels to move at the same time.

Coil springs are commonly used on the front of passenger cars and light trucks.

Automatic ride control can tailor ride quality and ride height for a vehicle.

Newer vehicles offer electronic tire pressure monitors to help drivers maintain the safety of their vehicle. 

The suspension supports most of the vehicle’s weight.

The power-steering switch in the pressure line of power-steering systems signals the PCM to lower the engine’s idle speed during low-speed conditions.

MacPherson struts are lighter and more compact than traditional suspension components.

A TPMS relearn procedure must be run prior to the installation of a new sensor.

Sway bars are designed to increase vehicle lean during turns.

The steering knuckle on a rack-and-pinion system is very similar to the parallelogram system.

Two technicians are discussing coil springs. Technician A says that coil springs are installed on semi-trucks. Technician B says that coil springs can be variable rate to handle additional loads. Who is correct?

In the radial ply tire, the cords are laid _____ to the tread.

What is the last link between the steering wheel and the steering knuckle?

Two technicians are discussing tire treads. Technician A says that straight treads are for large vehicles which require traction for starting and stopping the vehicle. Technician B says that all-weather treads provide good traction on dry or wet roads. Who is correct?

Which statement is true of tire balancing?

Two technicians are discussing wheel alignment. Technician A says that wheels that are out of alignment can affect tire wear. Technician B says that many vehicles require heating and bending of components to align them. Who is correct?

Which statement is true of torsion bars?

Two technicians are discussing alignment measurements. Technician A says that toe is the difference in distance between the front and rear edges of tires on the same axle. Technician B says that ride height is very important to alignments. Who is correct?

What type of springs are typically used on the front of passenger cars and light trucks?

Shock absorbers_____.

Which statement is true of control arms?

Two technicians are discussing leaf springs. Technician A says that leaf springs offer a more comfortable ride than standard coil springs. Technician B says that mono leaf springs are typically found on standard passenger cars. Who is correct?

Two technicians are discussing suspension system operation. Technician A says that sprung weight is usually everything mounted above the axles. Technician B says that engineers try to reduce sprung mass by reducing the weight of the wheels and suspension components. Who is correct?

Which value reflects the percentage of the height of the sidewall to the width of the tire?

Two technicians are discussing bias ply tires. Technician A says bias ply tires contribute to a smooth ride. Technician B says that bias ply tires are used on larger truck sand trailers today. Who is correct?