Practice question

The drive axle (semi-floating or full-floating) wheel-end bearings on a school bus should be inspected for:

  1. Correct ignition timing
  2. Roughness, pitting, excessive end play, and proper lubrication
  3. Coolant freeze point
  4. Throttle position calibration

Answer: B — Roughness, pitting, excessive end play, and proper lubrication

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