Identify problems: Use diagnostic tools to identify problems with the vehicle's engine, transmission, electrical system, and more Plan work: Use technical manuals and experience to plan how to fix the problem Perform repairs: Replace or repair worn parts, such as brake pads, wheel bearings, and sensors Test systems: Test parts and systems to ensure they work properly Perform maintenance: Perform basic maintenance, such as oil changes, fluid checks, and tire rotations Provide estimates: Provide an estimate of the time and labor required to complete repairs Communicate with customers: Explain problems and repairs to customers Road test: Test vehicles on the road to confirm repairs are successful Complete paperwork: Complete paperwork for warranty claims and update vehicle log books Stay current: Continue learning new techniques and information through training