I recently had my A/C re-charged. Mechanic said he checked for leaks, recharged system and sent me on my way. A couple of weeks later I noticed oil leaking from compressor. I find oil puddle on floor every day now. Can anyone advise me on how to repair this leak. Are there seals/gaskets that need replacing. If you know how to repair, please take time to describe in detail. Thankyou!!!!