This happens with water-cooled Porsches, not including SUVs. Leaves and debris (and sometimes little animals or birds) are rammed and jammed into the nooks and crannies of these chambers, where the radiators and a/c condensers are located.
If these are not cleaned thoroughly once a year, they rot out and leak. Expensive repairs ensure.
These should be thoroughly cleaned out once a year! There’s plenty of organic material packed in behind them, so remove that front bumper and dig it all out.