Workbook, Heavy Duty Truck Systems, 6E
Chapter Twenty-Six – Answer Key
1. The main leaf in a multileaf spring pack has fractured. Technician A says that the spring
can be safely rebuilt by replacing the main leaf and reusing the old spring leaves.
Technician B says that anytime a spring leaf fails, the whole spring pack should be
replaced. Who is correct?
2. The bushed component through which the spring pin is inserted is known as the:
3. What is the advantage of a spring design consisting of a single tapered leaf?
4. The rubber bag on an air spring is mounted on a(n):
5. The solid rubber block mounted on the pedestal inside an air spring assembly is called a:
6. During disassembly, if all the jounce blocks inside the air springs show evidence of being
hammered out, which of the following would be a likely cause?
7. What is the advantage of a lift axle assembly located ahead of the tandem drive axles on a
dump truck?
8. Which of the following best describes the function of a shock absorber?
9. What gives a multileaf spring assembly its self-dampening characteristics?
10. Which of the following suspensions would require the use of shock absorbers?