The «harmonic balancer» (crankshaft pulley) on my 1995 Lexus SC 400 broke after 375,000 miles. I don’t live in the Los Gatos area, so I had to rely on Unilocal,and requested a quote from AutoTec late on a Wednesday.The next morning at 8 AM, I had a Unilocal message from Don, the owner, requesting my VIN. As…