2007 Audi A4 Transmission and drivetrain Problems

“On 6/10/2014, I drove my 2007 Audi A4 a few miles to a local business and parked. On attempting to restart the car I found that the ignition key spun in the ignition cylinder assembly. It took approximately two minutes of spinning and light pushing for key the mechanism to reengaged, and the car to restart. During the time the key was spinning it was fully engaged with the lock, but spun in-place with the engine not starting. Took car to certified Audi dealer on 6/16 for diagnosis and the recommendation to replace the ignition cylinder assembly. …”

“We've experienced several incidents of the engine semi-stalling. This has happened at varying speeds. While driving, the engine hesitates as if someone has suddenly stepped on the brake pedal. This occurred while the car was engaged in cruise contral and normal driving.”

“The crankshaft broke while driving on a highway at constant speed. The incident immediately disabled the car which could have been a major hazard had this not been a manual transmission as I was able to apply the clutch and coast to a safe location. Had it not been an automatic the car would have quickly coming to a stop in moderate traffic creating a significant hazard. Previous model years of this car have had a similar issue, but this year was not included this is a manual car, that still has it's original clutch and the car has met all manufacturers maintenance. …”

“Purchased the vehicle from mckenna Audi in norwalk with 25,302 miles and oem warranty. The first issue was an unusual vibration from the engine at 29,761 mi. Audi of mission viejo claimed there was nothing wrong. At 36,120 mi, the transmission failed and was replaced. At 41,940mi, ignition coils were replaced after complaining of vibration/shuttering/hesitation. At 46,163mi, complained of shuttering/hesitation. Hose seals & timing belt roller were replaced. At 46,934mi, complained of same issues, Audi of mv claimed there was nothing wrong. …”

“The contact owns a 2007 Audi A4. The contact stated that while driving at various speeds, the vehicle would not properly accelerate while depressing the accelerator pedal. Eventually, the vehicle stalled and would no longer operate as designed. During the failure, the check engine warning light was illuminated. The cause of the failure was not yet determined. The manufacturer and local dealer were not contacted. The failure mileage was 100,000.”