Practice question

Which is the correct service sequence after locating and repairing a refrigerant leak on a bus?

  1. Recharge, then evacuate, then leak test
  2. Recover (if needed), repair, replace desiccant, evacuate, then recharge by weight
  3. Evacuate, recharge, then recover
  4. Recharge, run, then add dye

Answer: B — Recover (if needed), repair, replace desiccant, evacuate, then recharge by weight

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