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Chapter 16
End of Chapter Review Questions Answer Key
1. Which of the following OEM-approved lubricants would produce the longest service
life in a standard transmission?
2. After breaking in a new transmission filled with E-500 synthetic lube on a truck used
in a linehaul application, when should the first oil change take place?
3. Which of the following would indicate that transmission oil in a truck standard
transmission is at the correct level?
4. Oil is discovered to be leaking from the rear seal area of a standard transmission.
Technician A says that the problem could be a damaged speedometer sleeve O-ring or
gasket. Technician B says that the problem could be caused by a cracked bearing
cover. Who is correct?
5. Technician A says that a damaged transmission output yoke can be repaired by
installing a yoke sleeve kit. Technician B says that a damaged transmission output
yoke should always be replaced. Who is correct?
6. Which of the following statements is true?
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7. A driver complains of driveline vibration. Which of the following would be the least
likely cause?
8. A driver complains that the vehicle jumps out of gear when driven over a bumpy road
surface. Technician A says that the problem could be worn detent notches in the shift
rail. Technician B says that the problem could be worn gear clutch teeth. Who is
correct?
9. Which of the following would most likely result in hard shifting?
10. Technician A says that lack of lubrication damage can be caused in a standard
transmission when coasting with the clutch depressed. Technician B says that when
towing a truck from the front, the axle shafts should be pulled. Who is correct?
11. Which of the following is said by transmission OEMs to cause most transmission
bearing failures?
12. When removing a transmission from a truck, Technician A states that it is usually
necessary to uncouple the clutch from the flywheel before separating the transmission
from the flywheel housing. Technician B says that when a trans– mission is being
removed, it should be held in alignment with the engine to prevent the flywheel pilot
bearing from being damaged. Who is correct?
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13. Technician A says that an advantage of using synthetic transmission lubes is that they
are compatible with all other gear lubes. Technician B says that high gear lube level in
a standard transmission can cause aeration and result in lubrication failures. Who is
correct?
14. Which of the following transmission components are splined to the mainshaft in a
standard, twin countershaft transmission?
15. Technician A says that when disassembling a standard, twin countershaft
transmission, the mainshaft must be removed before removal of the countershaft
bearings. Technician B says that before timing the auxiliary countershafts, the
countershaft bearings must be fully seated. Who is correct?