A four-wheeler mechanic, often referred to as an automotive service technician or mechanic, is responsible for diagnosing, repairing, and maintaining vehicles such as cars, trucks, and SUVs. Here are some typical job details for a four-wheeler mechanic: Repair and Maintenance: Perform repairs on various vehicle components, including engines, brakes, transmissions, electrical systems, and suspension systems. Conduct routine maintenance tasks such as oil changes, tire rotations, and fluid checks to ensure vehicles are operating safely and efficiently.