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

A4 Wheels and tires: practice questions

Our ASE A1–A8 bank has 6 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 · A4 Suspension & Steering

What does a tire's load index and speed rating indicate?

  1. The rim width only
  2. The maximum load and speed the tire can safely carry
  3. The tread depth
  4. The tire's age and the plant where it was made
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B. The maximum load and speed the tire can safely carry — Replacement tires should meet or exceed the original ratings.

Question 2 · A4 Suspension & Steering

What must be done after rotating tires on a vehicle with direct TPMS?

  1. Replace the valve stems
  2. Nothing, ever
  3. Perform a TPMS relearn if the system requires it
  4. Re-align the vehicle and reset the steering angle sensor
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C. Perform a TPMS relearn if the system requires it — Sensor positions may need to be relearned.

Question 3 · A4 Suspension & Steering

A vibration at highway speed that is felt in the steering wheel usually comes from what?

  1. An out-of-balance or out-of-round front tire or wheel
  2. Rear brake drag or a seized rear caliper on one side
  3. An exhaust leak
  4. A worn rear spring
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A. An out-of-balance or out-of-round front tire or wheel — Vibration felt in the seat often comes from the rear.

Question 4 · A4 Suspension & Steering

Why should lug nuts be torqued in a star pattern?

  1. To seat the wheel evenly and avoid warping the rotor or hub
  2. To lock the TPMS sensor
  3. To save time
  4. To balance the tire and center the wheel on the hub pilot
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A. To seat the wheel evenly and avoid warping the rotor or hub — Impact guns can over-tighten; finish with a torque wrench.

Question 5 · A4 Suspension & Steering

Cupped tire wear usually points to what?

  1. Worn shock absorbers or struts
  2. Overinflation
  3. Underinflation on that tire
  4. Incorrect toe
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A. Worn shock absorbers or struts — Worn dampers let the tire bounce on the road.

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