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  2. Wheel speed sensor - Wikipedia

    en.wikipedia.org/wiki/Wheel_speed_sensor

    The most common wheel speed sensor system consists of a ferromagnetic toothed reluctor ring (tone wheel) and a sensor (which can be passive or active). The tone wheel is typically made of steel and may be an open-air design, or sealed (as in the case of unitized bearing assemblies). The number of teeth is chosen as a trade-off between low-speed ...

  3. Turbo-Hydramatic - Wikipedia

    en.wikipedia.org/wiki/Turbo-Hydramatic

    Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse. The Turbo-Hydramatic or Turbo Hydra-Matic (THM ...

  4. GM 8L transmission - Wikipedia

    en.wikipedia.org/wiki/GM_8L_transmission

    GM 8L transmission. The Hydramatic 8L 45 is an eight-speed automatic transmission built by General Motors debuting in the 2016 Cadillac CT6. It is designed for use in longitudinal engine applications attached to the front-located engine [1] with a standard bell housing.

  5. MAP sensor - Wikipedia

    en.wikipedia.org/wiki/MAP_sensor

    The manifold absolute pressure sensor (MAP sensor) is one of the sensors used in an internal combustion engine 's electronic control system. Engines that use a MAP sensor are typically fuel injected. The manifold absolute pressure sensor provides instantaneous manifold pressure information to the engine's electronic control unit (ECU).

  6. General Motors LS-based small-block engine - Wikipedia

    en.wikipedia.org/wiki/General_Motors_LS-based...

    The General Motors LS-based small-block engines are a family of V8 and offshoot V6 engines designed and manufactured by American automotive company General Motors.First introduced in 1997, the family is a continuation of the earlier first- and second-generation Chevrolet small-block engine, of which over 100 million have been produced altogether, [5] and is also considered to be one of the ...

  7. GM 4L60-E transmission - Wikipedia

    en.wikipedia.org/wiki/GM_4L60-E_transmission

    Successor. 6L 80 · 6L 90. The 4L60E (and similar 4L65E) is a series of automatic transmissions from General Motors. Designed for longitudinal engine configurations, the series includes 4 forward gears and 1 reverse gear. The 4L60E is the electronically commanded evolution of the Turbo-Hydramatic 700R4, originally produced in 1982.

  8. GM 4L80-E transmission - Wikipedia

    en.wikipedia.org/wiki/GM_4L80-E_transmission

    The 4L80-E (and similar 4L85-E) is a series of automatic transmissions from General Motors. Designed for longitudinal engine configurations, the series included 4 forward gears. It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October 1963. 4L80-Es were optioned only in Chevrolet/GMC ...

  9. Transmission control unit - Wikipedia

    en.wikipedia.org/wiki/Transmission_Control_Unit

    Transmission control unit. A transmission control unit (TCU), also known as a transmission control module (TCM), or a gearbox control unit (GCU), is a type of automotive ECU that is used to control electronic automatic transmissions. Similar systems are used in conjunction with various semi-automatic transmissions, purely for clutch automation ...