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AC recharge

Tiny
EGUNS80
  • MEMBER
  • 2000 BUICK CENTURY
  • 3.1L
  • 2WD
  • AUTOMATIC
  • 125,000 MILES
We have a Robinair 34288 machine at work, I want to recharge my AC and have a few questions. First question is, can you tell me how much refrigerant I am supposed to fill my system to? My second question is, do I refill through high pressure line, low pressure line, or both?
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Saturday, July 14th, 2018 AT 2:30 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon.

You need 2.2 lbs of Freon.

Vacuum it for at least thirty minutes, then with the engine off charge it from both sides. You never charge the system from the high side with the engine running. If you do, it will fail the compressor.

Roy
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Saturday, July 14th, 2018 AT 2:36 PM

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