Practice question

A bus rear A/C solenoid valve that fails to open will most likely cause:

  1. Front and rear both fail
  2. No or poor rear evaporator cooling while front cooling is normal
  3. Excess refrigerant charge
  4. A seized compressor

Answer: B — No or poor rear evaporator cooling while front cooling is normal

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Practice more: ASE S7 Air Conditioning Systems & Controls (School Bus) Practice Questions - ASE S7 - Air Conditioning Systems & Controls (School Bus) Certification Exam →