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Q:

aircondition on 1990 Chevrolet G Series Van (G30)

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
How do i go from r-12 to the required 134 and not worry about getting a fine?
(1) Answer
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