Sorry to hear about your problem. All generations suffer at some point I’m sure. I found a discussion on a similar issue with the MK3.5 (yes they can leak too) some of which might be relevant to the mk4.
Sorry to hear about your problem. All generations suffer at some point I’m sure. I found a discussion on a similar issue with the MK3.5 (yes they can leak too) some of which might be relevant to the mk4.