A professional who repairs manual and automatic transmissions in automobiles, buses, trucks, and other automotive vehicles. Respnsibilities include:

• Raises automotive vehicle, using jacks or hoists, and removes transmission, using mechanic's handtools.
• Disassembles transmission unit and replaces broken or worn parts, such as bands, gears, seals, and valves.
• Adjusts pumps, bands, and gears as required, using wrenches.
• Installs repaired transmission and fills it with specified fluid.
• Adjusts operating linkage and tests operation on road.
• May adjust carburetor.
• May verify idle speed of motor, using equipment, such as tachometer, making required adjustments.
• May specialize in repair of automatic transmissions and be designated Automatic-Transmission Mechanic.