2002 Audi Tt developed numerous mechanical problems. The windows made noise when being rolled downs, the dealer replaced the regulator. The turn signal relay was defective which caused the flasher relay to make noise. The component was replaced twice. The left front maker light bulb blew. The brake light illuminated on the dash. The dealer determined that the front pads and rear rotors needed to be replaced. A few day later the brake light illuminated again. This time the dealer replaced the ABS unit. While driving the check engine illuminated. The dealer replaced the coolant temp sensor. Ignition coils failed twice causing the check engine light to illuminate. The radio lost power. The check engine light illuminated again but this time the dealer replaced the mass air flow sensor. The horn stopped working. The rear differential unit was replaced. Breather hose split. Right tie rod end became worn and caused noise. The dealer found loose subframe bolts during inspection which caused the subframe to move while driving over bumps and while braking.

- San Leandro, CA, USA