2001 Buick Century Custom 4dr Sedan (3.1L 6cyl 4A)
I traded in a Buick Regal, which I had really no problems with for 100K+ miles to purchase a uses Century with 20K miles. By 26K miles it started slipping and took it in for service. Replaced some sort of pressure valve, which did nothing. Had it back in 3 more times before it finally died on my wife and had to be towed in. Overhauled the transmission still not operating right. Took it back in for the 5th time last week and will be returning it for the 6th time next week. I imagine the transmission will eventually just need to be replaced completely as it does not appear as thought they have a clue as to what is causing the problem. On the upside, I did not purchase the extended warranty
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