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ASE A3 Manual Drive Train And Axle Test
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Avg score: 36% • Most missed: “Checking the backlash is shown in the photo.”

This ASE 3 Practice Test covers the manual drive train, which is a series of components that transfer power from the engine to the wheels. Manual drive trains are controlled directly by the driver through the use of a clutch and gearshift. The exam covers the following subjects:

- Manual Drive Train
- Axles
- Clutch
- Gearshift
- Related Components
 

ASE A3 Manual Drive Train And Axle Test
Time left 00:00
23 Questions

1. Two technicians are discussing the front axle neutral position on a FWD (four wheel drive) pickup truck. Technician A says the front axles are disconnected if the vehicle is being towed. Technician B says the neutral position is also used on an AWD (all-wheel-drive) vehicle. Who is right?
2. What disassembly operation is being performed in the photo below?
 
3. The ring gear to pinion backlash is less than specifications (too low). This will cause the ring gear tooth pattern to show contact in which of the following areas of the ring gear?
4. The owner of an older 4WD (four-wheel-drive) truck that uses Cardan U-joints to drive the front wheels complains that whenever turning sharply and accelerating rapidly a severe vibration is created. Technician A says the rear drive shaft may be out-of-balance. Technician B says this is a normal condition for Cardan U-joints used on early 4WD vehicles. Who is right?
5. A transfer case is extremely noisy in all selections except neutral (N) whenever the vehicle is moving. Technician A says the drive chain may be worn and loose causing the noise as it hits the inside of the case. Technician B says a transfer case bearing could be defective. Who is right?
6. A vehicle comes in with hard shifting concerns, particularly into first gear. Technician A says the first speed blocking ring is the MOST likely cause. Technician B says the clutch could be out of adjustment. Who is right?
7. A transfer case will not shift from the low gear ratio up to direct drive or 1:1 ratio. Which of the following is the MOST likely cause?
8. Two technicians are discussing the front axle neutral position on a FWD (four wheel drive) pickup truck. Technician A says the front axles are disconnected if the vehicle is being towed. Technician B says the neutral position is also used on an AWD (all-wheel-drive) vehicle. Who is right?
9. Technician A says a vibration at high speed can be caused by an incorrect rear "U" joint operating angle. Technician B says a squeaking noise in reverse is caused by a worn cross shaft bearing surface. Who is right?
10. Technician A says the drive shafts on a FWD (front wheel drive) vehicle are usually removed with a pry bar or special puller. Technician B says the axle nuts on a FWD vehicle are NOT reusable. Who is right?
11. A growling sound is heard from the rear of a rear-wheel-drive vehicle during cornering only. Technician A says incorrect drive pinion bearing preload could be the cause. Technician B says defective rear axle bearings may be the cause. Who is right?
12. A growling sound is heard from the rear of a rear-wheel-drive vehicle during cornering only. Technician A says incorrect drive pinion bearing preload could be the cause. Technician B says defective rear axle bearings may be the cause. Who is right?
13. This question has the word EXCEPT. For this question, look for the choice that could NOT cause the described situation. Read the entire question carefully before choosing your answer. All of these components can be removed from a transmission/transaxle before removing it from the vehicle, EXCEPT:
14. What rear axle measurement is being performed in the photo?
 
15. Technician A says the drive shafts on a FWD (front wheel drive) vehicle are usually removed with a pry bar or special puller. Technician B says the axle nuts on a FWD vehicle are NOT reusable. Who is right?
16. Which of the following must be replaced during the service of a hydraulically controlled clutch?
17. A transfer case is extremely noisy in all selections except neutral (N) whenever the vehicle is moving. Technician A says the drive chain may be worn and loose causing the noise as it hits the inside of the case. Technician B says a transfer case bearing could be defective. Who is right?
18. A transaxle jumps out of gear under load. Which of the following is the MOST likely cause?
19. If a transmission can be shifted into two gears at the same time, which of the following is the MOST likely cause?
20. Checking the backlash is shown in the photo.
21. Technician A says u-joints must be in phase to prevent vibration. Technician B says when re-assembling a drive shaft the u-joints do not have to be in alignment for proper operation provided they are greased with the proper lubricant. Who is right?
22. Clutch slippage may be caused by which of the following?
23. What would be the MOST likely customer complaint for a damaged transmission case, center adapter plate or rear extension housing mating surface?

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