Shop Insight:Lots of trouble with ?No Trouble Found? approach

As a regular columnist to aftermarket business, and a long time contributor to our sister publication Motor Age, Mitch has his pulse on service dealer issues. Write him a note with any comments or questions you might have. (For Mitch's Motor Age columns, click here.) One of the quickest ways I know to enrage a repair shop owner or technician, especially a shop owner who was or still is a technician, or technicians who have proven themselves qualified and competent in a certain area of automotive service through their training, certification or experience, would be to deny a warranty claim "NTF: No Trouble Found." Quite frankly, after a lifetime of effort, it