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When I look through the factory GM Parts & Accessories Manual, I see "w/C.A.C" and "exc. C.A.C."

What does C.A.C. stand for/mean?

Thank you!
 

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Car Air Conditioner
 

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Discussion Starter #3
Thanks 62BillT...
 

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GM had varying definitions, depending on the year of vehicle. In 1966 it meant the Comfortron A/C system, the one with a dial for temp control.

C.A.C. = "Controlled Air Comfort" manual control, fresh air ventilation.

Cars of this era were either manufactured with:

  • A/C (the only factory air-conditioning system available)
  • C.A.C. (manual control, fresh air ventilation only)
  • C.A.C. A/C (C.A.C. & optional factory air-conditioning)
  • Comfortron A/C (optional factory auto temp./climate control air-conditioning)
  • CoolPack A/C (optional under dash air-conditioning unit, usually dealer installed)
 
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