Inspect vehicles and identify mechanical problemsDiagnose engine, brake, transmission, and electrical issuesRepair or replace defective parts and componentsPerform routine maintenance (oil change, filter replacement, tuning)Test vehicles after repair to ensure proper functioningUse tools and diagnostic equipment efficientlyMaintain service records and report issuesFollow safety standards and workshop proceduresMechanics typically troubleshoot faults, dismantle components, and reassemble systems to ensure smooth vehicle operation.