Diagnose and fix problems to keep cars shifting smoothly.
Repairs and adjusts motor vehicle carburetors: Disassembles carburetors and gasoline filter units, using handtools. Examines parts for defects and tests needle valves with wire gauges and flowmeter. Cleans parts in solvents to remove dirt and gum deposits. Repairs or replaces defective parts. Reassembles carburetor and gasoline filter, and installs them in vehicle. Starts engine and turns adjustment screw to regulate flow of air and gasoline through carburetor, using testing equipment. May operate drill press, lathe, and other power tools to retap jets, ream throttle bodies and chokes, and machine seating surfaces of carburetor housings. May install and repair mechanical devices that convert conventional systems to use of other fuels [VEHICLE-FUEL-SYSTEMS CONVERTER].