Practice question

The cabin heater blows only cool air at all blend settings, engine warm, coolant full, booster pump operating. What should be inspected next?

  1. The aisle floor covering
  2. The wheelchair lift hydraulics
  3. The stop-arm air line
  4. The blend (temperature) door actuator/cable and the heater control valve operation

Answer: D — The blend (temperature) door actuator/cable and the heater control valve operation

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