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[Gopal]

When the AC is cooling, it cools very efficiently. So, I think my car still uses r12. Perhaps that's why my mechanic was hesitant to touch it.

How easy is the conversion to r134 (or is it r134a)? Is it recommended (or mandatory?)?

If the 134 system is difficult to cool, I'd like to stick with r12. Is it easy to find the coolant? How about filling it or working with the AC system. Yes, I am ENVR concious, but...

Thanks!