Крис Младенов Audi TT 8J and 8N Common Problems and Buying Guide Audi TT 8J or the older TT 8N? The Audi TT 8J and 8N common problems are worth knowing about before you fall in love with one. This is one of those cars you buy with your heart, then find out what you... Audi Common problems by model Guides for owners TT Sep 11, 2026