1991 Buick Roadmaster refrigerant capacity

1991 BUICK ROADMASTER
158,000 MILES • V8 • 2WD • AUTOMATIC
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RICK.WALSH
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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
Aug 18, 2010 at 3:23 PM
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WRENCHTECH
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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.
Aug 18, 2010 at 3:40 PM