Q:

What is the speed sensor in a transmission?

A:

Quick Answer

Also known as the turbine shaft speed sensor, the speed sensor in a transmission is a magnetic coil that provides a vehicle's control unit with the rotational speed of the torque converter or the input shaft. This information is used to allow the vehicle to shift smoothly and run efficiently.

Continue Reading

Full Answer

Although symptoms of a failing turbine shaft speed sensor vary depending on the model and year of the vehicle, common indications include a dead cruise control system, an unresponsive speedometer or odometer and an inability to shift correctly. A failing transmission speed sensor may also affect the vehicle's fuel consumption.

Learn more about Car Parts & Maintenance

Related Questions

  • Q:

    What is the function of a drive shaft?

    A:

    An automotive drive shaft is responsible for transferring the engine's rotational power, or torque, through the transmission across some distance to one of the car's axles, either from the front of the car to the rear or vice versa. Drive shafts are also responsible for directing power to the wheels.

    Full Answer >
  • Q:

    How do you replace the U-joint in a GMC?

    A:

    Lift the vehicle, mark the drive shaft position, release the drive shaft from the rear differential, remove the drive shaft from the transmission and remove and replace the U-joint to complete the process of replacing a U-joint on a General Motors vehicle. A flat surface and safe method to raise the vehicle, an SAE wrench, pliers, an SAE socket set and a U-joint press are the tools required for the job.

    Full Answer >
  • Q:

    What are some signs of low transmission fluid?

    A:

    Some signs of low transmission fluid are slipping or jerking motions as the gears shift, dragging of the vehicle as it picks up speed, increase in the temperature of the transmission and failure of the transmission to engage. Low transmission fluid levels are the most common problem associated with transmissions.

    Full Answer >
  • Q:

    How do you install a temperature sending unit?

    A:

    To install a temperature sending unit, open the hood of a vehicle, find the temperature sending unit, disconnect the lead wire from the sending unit's terminal, pry out the sensor, fix a new sensor in place, and reconnect the lead wire. Required tools include a screwdriver, ratchet, torque wrench and deep socket set. Read the repair manual before starting the installation.

    Full Answer >

Explore