aircondition on 1990 Chevrolet G Series Van (G30)

How do i go from r-12 to the required 134 and not worry about getting a fine?

by in Nashville, TN on May 21, 2010
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1 answer
ANSWER by , May 21, 2010
take it to a shop and have the r12 removed correctly. then replace the accumulator and the oil in the system. have the system evacuated and charged with 80% of what was required with r12. Roy