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The A3 exam has 50 questions and runs 1 hour.
These 10 free A3 questions are organized by exam domain, so you can see how each part of the Automobile & Light Truck Certification - A3 Manual Drive Train & Axles blueprint is tested. Reveal the answer and explanation under each question.
A noise is heard only when the clutch pedal is fully depressed with the transmission in gear and the vehicle stopped. The noise is not present when the pedal is depressed in neutral. The MOST likely cause is a worn:
Correct answer: A - Pilot bearing or bushing
A vehicle grinds when shifting into reverse from a stop with the clutch pedal fully depressed. Any of these could be the cause EXCEPT:
Correct answer: D - A weak pressure plate spring
A clutch pedal pulsates as it is depressed with the engine running. Technician A says excessive flywheel runout could be the cause. Technician B says excessive crankshaft endplay could be the cause. Who is right?
Correct answer: C - Both Technician A and Technician B
A manual transmission that specifies GL-4 gear lubricant has been serviced with GL-5. The MOST likely long-term result is:
Correct answer: B - Synchronizer damage and hard shifting
A manual transmission clashes only when shifting into second gear; every other gear engages normally. Technician A says a worn second gear blocking ring could be the cause. Technician B says the clutch is not fully releasing. Who is right?
Correct answer: A - Technician A only
A manual transmission jumps out of third gear under acceleration. Which of these is LEAST likely to be the cause?
Correct answer: C - A plugged transmission case vent
A manual transaxle can be shifted into every gear except reverse after the transaxle was removed and reinstalled. The MOST likely cause is:
Correct answer: D - A misadjusted shift cable
A front-wheel-drive vehicle has a growling noise that is present in every gear and changes noticeably while the vehicle is turning. Technician A says a worn synchronizer assembly could be the cause. Technician B says worn differential pinion (spider) gears could be the cause. Who is right?
Correct answer: B - Technician B only
Powertrain mounts are being replaced on a front-wheel-drive vehicle. The mount fasteners should be final-tightened with the:
Correct answer: A - Powertrain at its normal rest position
A vibration is felt at 50 mph under light acceleration but disappears when the vehicle coasts at the same road speed. The MOST likely cause is:
Correct answer: C - Excessive U-joint working angle
The A3 exam also covers these domains. Drill them in the full free practice test:
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