Practice question

What is the most likely cause of a high-pitched squealing sound from the wheels when the brakes are NOT applied, which disappears when the brakes are pressed?

  1. The brake caliper is seized shut
  2. The brake pad wear indicator tab is contacting the brake rotor
  3. The wheel bearings are completely dry of grease
  4. The brake rotor is warped out of round

Answer: B — The brake pad wear indicator tab is contacting the brake rotor

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