Heavy Duty Truck Systems – Chapter 16 – Lecture Summary & Practice Questions
Which of the following OEM-approved lubricants would produce the longest service life in a
standard transmission? - correct answer ✔✔synthetic E-500 gear lube
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? - correct answer ✔✔after
500,000 miles of linehaul service
Which of the following would indicate that transmission oil in a truck standard transmis-sion is
at the correct level? - correct answer ✔✔Oil is level with the filler hole.
Oil is discovered to be leaking from the rear seal area of a standard transmission. Techni-cian 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? - correct
answer ✔✔both A and B
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 al-ways be
replaced. Who is correct? - correct answer ✔✔B only
Which of the following statements is true? - correct answer ✔✔An auxiliary section can be
removed and overhauled without removing the transmis-sion from the chassis.
driver complains of driveline vibration. Which of the following would be the least like-ly cause? -
correct answer ✔✔failed synchronizer
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
Which of the following OEM-approved lubricants would produce the longest service life in a
standard transmission? - correct answer ✔✔synthetic E-500 gear lube
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? - correct answer ✔✔after
500,000 miles of linehaul service
Which of the following would indicate that transmission oil in a truck standard transmis-sion is
at the correct level? - correct answer ✔✔Oil is level with the filler hole.
Oil is discovered to be leaking from the rear seal area of a standard transmission. Techni-cian 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? - correct
answer ✔✔both A and B
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 al-ways be
replaced. Who is correct? - correct answer ✔✔B only
Which of the following statements is true? - correct answer ✔✔An auxiliary section can be
removed and overhauled without removing the transmis-sion from the chassis.
driver complains of driveline vibration. Which of the following would be the least like-ly cause? -
correct answer ✔✔failed synchronizer
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
