AST 1 – Line I – Suspension Systems 1

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AST 1 – Line I – Suspension Systems 1. Which component is used on Front Wheel Drive (FWD) vehicles to support the engine and transmission? A. A cradle. B. A ladder bar. C. A lower tie bar. D. A perimeter cage.

2. Which vehicle style can incorporate the use of a sub frame? A. Unibody vehicles. B. Space frame vehicles. C. Perimeter frame vehicles. D. Body over frame vehicles.

3. What are the support components that keep the two frame rails parallel referred to as? A. Parallel beams. B. Bridge supports. C. Cross members. D. Drivetrain mounts.

4. Refer to Figure I2 - 1. What style of suspension is shown?

Figure I2 - 1 A. Twin I beam. B. Short long arm. C. Macpherson strut. D. Modified Macpherson strut.

5. Which component is added to a frame system to limit the amount of roll that occurs around corners? A. Shift bar. B. Torsion bar. C. Balance bar. D. Stabilizer bar.

6. Which type of front suspension system uses two solid axles but still provides independent suspension? A. Twin I beam. B. Short long arm. C. Macpherson strut. D. Modified Macpherson strut.

7. Which type of spring design allows for ride height adjustment? A. Coil. B. Multi leaf. C. Mono leaf. D. Torsion bar.

2 8. Refer to Figure I3 - 2. Which type of ball joint is shown?

Figure I3 - 2

A. Loaded. B. Tension. C. Follower. D. Compression.

9. What is the reason for filling some shocks with nitrogen? A. Reduces fluid aeration. B. Ride height adjustability. C. Reduces the sprung weight. D. Causes more rebound control.

10. How are true-active suspension systems controlled? A. Driver input. B. Air pressure. C. Gas pressure. D. Hydraulic actuator.

11. What is a good overall check for worn or loose conventional steering linkages? A. Road test. B. Jounce test. C. Dry park test. D. Rebound test.

3 12. Refer to Figure I4 - 3. Which procedure is being performed?

Figure I4 - 3 A. Adjusting the ride height B. Caging the spring for removal. C. Removing the stabilizer bar link. D. Unloading the upper ball joint for inspection.

13. Which type of electronic suspension system can alter the ride height while the vehicle is in motion? A. Routing. B. Passive. C. Adaptive. D. Closed loop.

14. Which function does an automatic ride control system perform? A. Maintains vehicle ride height. B. Adjusts shock absorber dampening rate. C. Lowers vehicle ride height at high speeds. D. Controls vehicle handling dependent on driver input

4 15. Refer to Figure I5 - 4. This shock absorber is designed to perform what function?

Figure I5 - 4

A. Maintains the vehicle ride height. B. Adjusts the shock absorber dampening rate. C. Lowers the vehicle ride height at high speeds. D. Controls vehicle handling dependent on driver input.