Charging air cooler oily again after half a year

Hello together, I had the charge air cooler changed half a year ago. Now the good one is already dripping again. My question: can the seals be that have become porous due to the frosty winter? I have had problems with the workshop many times and I am very surprised that a new charge air cooler can already be broken!!! I only ride longer distances with it. Thank you in advance for answers =)