Q:

What does a transmission control solenoid do?

A:

Quick Answer

The transmission control solenoid communicates to a car when it is time to shift gears, if the car has an automatic transmission. If the shifting in the car's engine is balky or has other problems, the issue is likely an error with the control solenoid. Because a fairly sophisticated measurement of hydraulic pressure is necessary to operate the transmission, a solenoid that loses sensitivity to this factor is headed for repair or replacement.

Know More

Full Answer

Even with modern electronics governing transmissions, the operating principles that they follow are still mainly hydraulic, requiring a more precise control on the pressure. Older designs for automatic transmissions just use one line with a pressure control solenoid, adjusting pressure throughout the whole transmission. Newer designs require multiple pressure control solenoids, sometimes permitting the solenoids to apply exact pressure controls. It is the shift pressure that affects shift quality; if there is too much pressure, the shifting gets rough, but if there is not enough pressure, the clutches overheat.

If the shifting shows signs of problems, take the car to a certified mechanic to have the troubleshooting codes of the engine checked. Often that is the only clear sign of a problem until the power steering simply gives out, so be proactive. Regular maintenance and inspection can aid in the early detection of mechanical issues and save money on potential repairs.

Learn more about Transmission

Related Questions

  • Q:

    What happens when your transmission goes out?

    A:

    When the transmission fails on a car, the car becomes practically useless because the transmission is responsible for changing the gears on the car, which in turn provides the power to the wheels to move it forward. Transmissions are, therefore, essential to a car's basic functioning, whether or not the car operates on an automatic or manual method of gear shifting.

    Full Answer >
    Filed Under:
  • Q:

    What is a multitronic transmission?

    A:

    A multitronic transmission in a car combines certain aspects of a manual transmission with the convenience of an automatic transmission. It is a type of continuously variable transmission (CVT), which provides more power with an increased fuel economy. Car manufacturer Audi developed the multitronic transmission with a link-type chain, and it was manufactured by Luk.

    Full Answer >
    Filed Under:
  • Q:

    How can an automatic transmission be converted to manual transmission?

    A:

    The only way to convert an automatic transmission to a manual transmission is to completely replace the automatic transmission assembly of the car with a manual transmission. This procedure may be difficult or impossible on some vehicles depending on the model and design.

    Full Answer >
    Filed Under:
  • Q:

    What can cause a whining noise in a transmission?

    A:

    A transmission can prompt a whining noise if the operating system has malfunctioned, the gears are not operating correctly or the transmission fluid needs to be changed.

    Full Answer >
    Filed Under:

Explore