General Purpose. The basic function of the Fuel and Lube Technician is to change engine oil and lubricate running gears or moving parts of automobiles, trucks or heavy equipment, replace oil, air and fuel filters on motor vehicles, trucks and heavy equipment. Fuel & Lube Technicians will be in frequent contact with fluids for the vehicles such as windshield washer, coolant, and oil. Essential Duties and Responsibilities. 1. Grease booms, pulleys,...