Below are key auto transmission repair, transmission replacement, and transmission service terms that may be helpful for understanding issues relating to automatic transmissions, manual transmissions, and gearboxes:
adaptive learn automatic transmission
A newer type of automatic transmission. This type of automatic transmission can improve its own efficiency in response to the events of actual driving, and can make up for transmission wear.
aftermarket auto parts or aftermarket auto transmission
Auto transmissions or transmission parts not sold by the original maker of the car, parts that will typically cost less than those bought from the car maker.
air check
A test during automatic transmission assembly. The automatic transmission air test checks the hydraulic soundness of automatic transmission parts including valves and clutch packs.
A/T
Automatic transmission, abbreviated.
Also known as: automatic transmission, automatic car transmission
automatic drive
Another term for automatic transmission, the type of car transmission where the car drives itself automatically in the correct gear without needing manual clutch pedal use and gear shifting as with a manual transmission.
Also known as: automatic transmission, automatic car transmission
automatic gearbox
Can refer to the housing where the gears of an automatic transmission are contained, or can refer to an automatic transmission itself.
Also known as: automatic transmission, automatic car transmission, gearbox
automatic transmission
The type of auto transmission, as distinct from a manual transmission, which is able to change gears by itself to the correct gear for the speed the car is traveling.
Also known as: automatic gearbox, automatic car transmission
automatic transmission fluid (ATF)
The fluid inside the automatic transmission. Automatic transmission fluid is often red, a mineral- or oil-based liquid used to reduce wear on moving transmission parts. Automatic transmission fluid also works to transfer power in the automatic transmission and to cool moving parts.
Also known as: transmission fluid, automatic car transmission fluid
Automatic Transmission Rebuilders Association (ATRA)
A large organization of transmission repair providers.
auto transmission shop
An automotive shop that specializes in auto transmission service and transmission repair and replacement work for automatic transmissions and manual transmissions.
Also known as: auto transmission garage, auto transmission facility, auto transmission repair service, auto transmission service, transmission replacement shop
auto transmission system
The transmission or gearbox that transfers power from the drive shaft of the auto engine to the car wheels for forward and reverse vehicle motion. The two types of auto transmissions are automatic transmissions and manual transmissions.
Also known as: car transmission
clutch
A device in a car transmission that connects or disconnects two parts within the driving machinery. In a manual transmission, the clutch is operated by a pedal that disengages the driving force of the engine from the gears driving the wheels to create forward or reverse motion.
Also known as: clutch pedal, automatic clutch
drive line
The system in a car for transferring power between the vehicle’s motor and the wheels. The drive line largely includes the car transmission, or gearbox.
Also known as: drive system, transmission
electronically controlled transmission (ECT)
A car transmission under the control of a computer.
Also known as: computerized transmission, computerized car transmission
fluid drive
A fluid coupling for transferring power within the car transmission.
gear
A toothed part in a car transmission or gearbox, made for transferring rotational motion from the engine out to the wheels.
Also known as: gear mechanism, transmission gear mechanism
gear case
The metal housing in which the gears in the car transmission gear train are enclosed and sealed.
Also known as: gearbox
hydraulic transmission
A transmission operated by liquid forced through a small opening.
Also known as: hydraulic transmission system, transmission
manual transmission
A hand-operated transmission for selecting the correct gear ratio for the existing engine speed and vehicle speed.
Also known as: stick shift, standard transmission, manual car transmission
OEM transmission
A transmission made by the original equipment manufacturer, i.e. by the maker of the original car. A transmission bought from the car maker will tend to be more expensive than one gotten elsewhere.
Also known as: original equipment manufacturer transmission, stock transmission
standard transmission
The same transmission known as a manual transmission. This is the type of car transmission, as distinct from an automatic transmission, which requires the car driver to shift between gears in the transmission by the use of a clutch pedal and a gear shift.
Also known as: stick shift, manual transmission, manual car transmission, manual gearbox
stick shift
Another name for a standard or manual transmission, deriving from the term for the gear shift lever which the driver manually operates, located on the steering column or on the floor between the driver and passenger seats.
Also known as: standard transmission, standard car transmission, manual transmission, manual car transmission
torque converter
A round car transmission part that moves engine power to the car’s wheels by changing fluid direction. The torque converter of today’s car transmissions follows the earlier transmission fluid coupling.
transmission
A car transmission or gearbox with at least two ratios for matching engine speed and torque with the car wheels.
Also known as: gearbox, car transmission, auto transmission
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