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ASE Automobile & Light Truck (A1–A8) — Practice Exam

A3 Transmission: practice questions

Our ASE A1–A8 bank has 9 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.

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Question 1 · A3 Manual Drive Train & Axles

How is blocking ring wear checked?

  1. By weighing the ring
  2. By measuring the gap between the ring and the gear cone
  3. By checking the ring's color
  4. By measuring mainshaft runout with a dial indicator and V-blocks
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B. By measuring the gap between the ring and the gear cone — Too small a gap means the ring is worn.

Question 2 · A3 Manual Drive Train & Axles

Why must the correct lubricant be used in a manual transmission?

  1. Color matters for leak checks
  2. Any oil works the same
  3. Synchronizers need specific friction properties to work
  4. Thicker oil always gives better gear protection and smoother shifts
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C. Synchronizers need specific friction properties to work — Some use gear oil, others ATF or special manual transmission fluid.

Question 3 · A3 Manual Drive Train & Axles

Why should a manual transmission be supported when removing it?

  1. To keep the shifter aligned
  2. Letting it hang on the input shaft can damage the clutch disc
  3. It isn't necessary
  4. To keep fluid from leaking out of the rear extension housing
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B. Letting it hang on the input shaft can damage the clutch disc — Use a transmission jack.

Question 4 · A3 Manual Drive Train & Axles

What does a synchronizer do?

  1. Multiplies torque
  2. Matches gear speed to shaft speed before engagement
  3. Locks the differential
  4. Disengages the clutch automatically during each shift
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B. Matches gear speed to shaft speed before engagement — Worn blocking rings cause grinding during shifts.

Question 5 · A3 Manual Drive Train & Axles

What does a backup lamp switch usually sense?

  1. Vehicle speed
  2. Clutch pedal position for the starter interlock
  3. The shift mechanism in the reverse position
  4. Fluid level
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C. The shift mechanism in the reverse position — A clutch pedal switch prevents starting unless the pedal is pressed.

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