My Wife took our Chevy Trail blazer for an oil change today 3/23/2010 and was greeted by a confused mechanic. He first stated she needed a new air filter. Latter he stated we needed a new serpantine belt and the air filter was fine??? We got an oil change and was told we needed a transmission fluid change. We had that done because it was never done 85, 000 miles. When I came home I checked the air filter and belt both were fine. If you go there you might want a second opinion. read full review »