Practice question

Before checking pushrod travel under a vehicle, which setup is safest and correct?

  1. No wheel blocks and parking brakes released on a grade
  2. Air pressure at zero with the vehicle free to roll
  3. Vehicle rolling slowly in neutral
  4. Wheels blocked, sufficient air pressure, spring parking brakes released as required for the check, and the vehicle secured

Answer: D — Wheels blocked, sufficient air pressure, spring parking brakes released as required for the check, and the vehicle secured

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