I received a letter today from GM Buick about the extended warranty for wave plate failure on my vehicle. I read the letter and searched around on the web for a bit to learn about the problem. Late afternoon, I was headed to neighboring town with my wife and as I entered the acceleration lane to merge into traffic my 2008 Enclave slipped a little as it was shifting into 3rd. I let it rev a bit, but then backed off when it appeared it wasn't going to shift. The next thing was a huge clunk and a sensation that the rear wheels had skidded for a second. Then an odor of hot oil was present in the car. I coasted back to the shoulder and checked all around the vehicle, no leaks or parts missing that I could see from under the car and no debris on the road. Car still drives but shifts very slow with no distinctive upshift change in rpm or sound. It still backs up, but will be calling my favorite Buick service manager in the morning. 88,247 miles in service date Sept. 4, 2007.
Stu Hanson