Cadillac STS owners have reported 39 power train related problems since 1996. Table 1 shows the 11 most common power train problems. The number one most common problem is related to the vehicle's power train (13 problems). The second most common problem is related to the vehicle's differential unit (10 problems). For details of each of the problem category, use the links in the table.
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...
V-6 engine, purchase car with approx 30,000 miles. Engine consume one qt of oil every 1400-1500 miles. Use mobil one 5w30 as recommended. No leaks, engine doesn't appear to smoke. Word from dealer; anything from its normal, or it will cost about $100. 00 to check it out, may cost $3000. Read details...
The contact owns a 2005 Cadillac Sts. The contact stated that the vehicle was leaking oil from the rear. The vehicle was taken to a local mechanic who performed a diagnostic that located the failure at the rear wheel axle pinion seal. Read details...