Practice question

Why must heater hoses be inspected for soft spots, swelling, and chafing?

  1. Soft hoses improve heat transfer
  2. Hose condition only affects appearance
  3. Deteriorated hoses can burst or collapse, causing coolant loss, overheating, scalding risk, and loss of cabin heat
  4. Chafed hoses are required for flexibility

Answer: C — Deteriorated hoses can burst or collapse, causing coolant loss, overheating, scalding risk, and loss of cabin heat

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