We took our 2004 Avalanche into them to look at. My husband told them that it was making a loud metal on metal grinding noise that sounded like it was coming from the transmission. Garry insisted that the rear wheel bearings sound like they are coming from the front and that is what was wrong, charged us $1300 and a week later it was doing the same thing and the transmission went out. We now have to have it towed somewhere else for another $1700 worth of work!!
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