The contact owns a 2005 Cadillac STS. The contact stated that while the vehicle was parked in the driveway, the contact became aware of a fluid leak. There was no warning light illuminated. The vehicle was driven to an independent mechanic where it was diagnosed with a pinion seal leak on the rear axle. The local dealer was contacted; however, the vehicle was not repaired because the vehicle was not under recall. The manufacturer was made aware of the failure. The failure mileage was approximately 92,721.

- Buffalo, NY, USA

Rear differential very wet and leaking in garage. Called GM was ask several questions and told to carry it to crest Cadillac, hoover, al and let them check problem. Was told not to let them fix it and GM would call me to see what I was told. I did carry it to crest Cadillac and was told it is the rear pinion seal and is very common. GM called me back and ask what they said and ask several question again then told me it is not covered under any recall and would not help with repair.

- Gardendale, AL, USA

2005 Cadillac Sts AWD has rear differential leak.

- Greenville, PA, USA