Lincoln LS -Antifreeze under car - Reservior fine on 2000 Lincoln LS

Just had the cooling fan system replaced in 2000 Lincoln LS. Car running fine except two nights later after picking it up there was a puddle under the car closer to the windshield. Hard to determine if it originated closer to the driver or passengar side. Check the reservior and it was fine. HAve not had the problem since. It has been 4 days. Any ideas?

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1 answer 2 comments
IF IT WAS CLEAR WATER POSS A/C DRAIN
Unfortunately had some gree to it and smelled a little sweet. Not quite sure where it would come from and a little hesitant about bringing it back to the dealer
take it back it may be there work related