I started my automotive service career in the early 70s, working part-time while attending college. I found that I truly enjoyed fixing cars and decided to become a certified technician; eventually, I was promoted to repair shop manager. To help consumers find trustworthy repair shops, the National Institute for Automotive Service Excellence (ASE) was formed, developing … [Read more...] about DIY Tips from Raymond Cox, ASE Master Mechanic and Longtime Valvoline Motor Oil User