One problem related to differential unit has been reported for the 2009 Audi A3. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Audi A3 based on all problems reported for the 2009 A3.
Tl- the contact owns a 2009 Audi A3. The contact stated that the rear differential failed while traveling 60 mph. The failure felt as if the brakes had engaged independently. The vehicle was still able to be driven, but the vehicle ran would drive roughly. The vehicle was taken to the dealer where it was determined that the rear differential needed to be replaced. The failure and the current mileage was 75,000. Kmj.