1991 Buick Roadmaster refrigerant capacity

Tiny
RICK.WALSH
  • MEMBER
  • 1991 BUICK ROADMASTER
  • V8
  • 2WD
  • AUTOMATIC
  • 158,000 MILES
Can you tell me what the refrigerant capacity is for this car? It has been converted to 134a and I am replacing the compressor so it will be a complete refill
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Wednesday, August 18th, 2010 AT 3:23 PM

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Tiny
WRENCHTECH
  • EXPERT
The original capacity when it was R12 is 50 ounces but when you retrofit to R134A, you only charge at 80% of the original charge which would be 40 ounces.
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Wednesday, August 18th, 2010 AT 3:40 PM

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