Title: Test the air suspension pressure regulator and height control valves, lines, hoses, dump valves, and fittings.
Course: Diesel Equipment Technology II (20107-II) > Section: Suspension and Steering: Servicing the Suspension Systems

Testing should include a thorough inspection of all parts related to the suspension, including the valve in the cab. After the parts inspection, refer to the manufacturer specification for height adjustment.

ASE 6: IV. Suspension and Steering: E. Suspension Systems  (P-1)

Process/Skill Questions:

- Why is suspension height important?
- What damage could occur if no air were present in the system?
- Why should close attention be given to the U-bolts when dealing with air bag suspension?