Differential Unit problems of the 2006 Cadillac STS

Tl- the contact owns a 2006 Cadillac Sts-v. The contact stated that while driving driving the vehicle would hesitate and sputter. The vehicle was taken to an independent mechanic who diagnosed that the Cadillac converter was faulty and needed to be replaced. . Also while in for service the mechanic had discovered that the rear tow differential was faulty. The vehicle was not repaired. The local dealer woodworth Cadillac(339 n. Main street, andover MA. ) and the manufacturer was notified of the failure. The failure mileage was 100,000. Jft.

Complete failure of suspension:rear:axle:spindle an rear differential 2006 Cadillac Sts plz ref: NHTSA campaign number: 07v589000 component(s): power train recall subject : drive axle seal leak gm recall no. N070204 car was in motion on city street when grinding noise began and lost all gears. Are repairs coverable?.

To date three rear differential "repairs" have been performed on my 2006 Cadillac Sts and I am making an appointment for a fourth. Each time the parts were supposedly replaced. At this point am becoming afraid to drive my vehicle as the harsh grinding noise and rear thuds and thumps are quite disconcerting.

Car is 2006 Cadillac Sts4 awd with 3. 6l v6 engine. Rear differential leaks oil, car has 7,000 miles. Brought it in for service and a seal was replaced. Less than 60 days later it is leaking again.

2006 Cadillac Sts four wheel drive v8. The rear differential lock-up without warning going at 65 mph on I-94 eb freeway at the 10 mile rd exit in michigan causing the vehicle to be out of control and spin around three times in a circle from the left lane to the right lane across the entire freeway coming to a complete halt on the right side shoulder. The vehicle came close to upending and rolling over. Lucky the driver behind the Cadillac was able to keep control of their car and bring it to a stop which helped th prevent any oncoming vehicles to hit the Cadillac. The locking up of the differential was a violent reaction causing the driver to have no control over the vehicle because the car turned off. The driver had no control over the spin. A report was filed with the michigan state police. The vehicle had to be towed to don gooley Cadillac dealership in st. Clair shores, michigan.