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Year: 1989
High Side: 55
Low Side: 55
Changed system over to 134a. Flushed the system, added 7oz of PolyAlpha+ oil-with 1oz. in new drier and rest in A590 compressor, vacuumed to 28 Hg which held overnight. Charged first 12 oz. can of 134a/oi/leak sealer and it brought high side up to 55 but clutch would not engage. Tapped second can and it would not take it into the system. Any thoughts welcomed -PTT
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