Table 1 shows six common power train related problems of the 2005 Cadillac STS. The number one most common problem is related to the power train (six problems). The second most common problem is related to the differential unit (five problems).
It just started making a loud knocking noise, and it dosent go no faster than 40mph. Read details...
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 Read details...
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. Read details...