Automatic Transmission Problems of Cadillac STS

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. 00 to ???? to have it fix.

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I purchased a 2005 Sts and had it for 1 year when the transmission went out. It had just passed the 50k warranty. I took it in and had it checked, they told me there was nothing wrong with it. I had to drive with the mechanic and show him what was wrong. I went to the main company and was told there was nothing they could do. I now have an Sts sitting in my garage, not able to drive anywhere. I found out the transmission was only 1/2 full from the factory but can not prove it. I am very, very disgusted with the Cadillac company. I could have bought a cheap car that would have out lasted this car by years. .

See all problems of the 2005 Cadillac STS 🔎.