This is a practice test. The real ASE H3 drive train exam will test your knowledge of the diagnosis and repair of the automatic transmission, drive shaft, universal joint, and drive axle. Find a mechanic school near you.
#1. A transit bus with a diesel engine and an electronic automatic transmission shifts late. Which of these could be the cause?
A bad throttle position (TP) sensor is correct
#2. An automatic transmission slips when cold, but shifts normally at operating temperature. Which of these could be the cause?
Low fluid level is correct
#3. Which of these could cause the rear axle seals to fail repeatedly?
A restricted axle housing breather is correct
#4. A transmission has no lock-up. During a pressure test, no pressure is found at the lock-up test port. This could be caused by:
a bad lock-up solenoid is correct
#5. A transit bus transmission is to be replaced. Technician A says that the transmission flex plate should be inspected each time the transmission is removed. Technician B says that the flywheel housing should be inspected each time the transmission is removed. Who is right?
Both A and B is correct
#6. An operator reports that the transit bus won’t go into gear. Technician A says that not engaging the high idle switch could be the cause. Technician B says that not stepping on the brake pedal could be the cause. Who is right?
B only is correct
#7. What operation is being performed in the setup shown in the illustration?
Checking ring gear runout is correct
#8. To most accurately check the fluid level in an automatic transmission, the technician should do all of these EXCEPT:
check while the fluid is cold is correct
This is a practice test based on the ASE transit bus study guide. Use it for entertainment purposes only.