Upgrading and Repairing C2 & C3 Corvette A/C systems

The good news is that this change worked: the ozone layer is healing. R-134a was chosen as the new automotive refrigerant and its operational parameters were similar to the R-12 it replaced. R-134a worked well for decades but it is now planned to be phased out by 2021 in light duty vehicles because¬†…

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