eaglescout526 Posted December 1, 2023 Share Posted December 1, 2023 56001938 receiver 56000212 is dealer installed AC expansion valve 83501907 is factory expansion valve. 83505070 compressor. Link to comment Share on other sites More sharing options...
AZJeff Posted December 1, 2023 Share Posted December 1, 2023 I have done conversions from R12 to R134a on several vehicles, and I have done write-ups on this forum before, so you can search for those. I a nutshell, converting to R134a will require the following: 1. new R134a compatible refrigerant oil (use the same amount as called for with the old R12 oil) 2. new o-rings on ALL connections that are compatible with new refrigerant oil 3. a new receiver/dryer (accumulator) 4 new shrader valves on the charging ports 5. evacuation of the system to remove all old R12 and confirm you are leak free 6. installation of a charge of R134a. The amount installed should be 80% of what the amount would have been for R12. If you have questions, fire away. Link to comment Share on other sites More sharing options...
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