Q:

What makes an automatic transmission whine?

A:

Quick Answer

There are several reasons why an automatic transmission makes a whining sound. The transmission pump makes this sound as pressure increases with rotational speed. This occurs while stationary and increases as the vehicle accelerates. A clogged transmission filter creates a similar sound to a whining pump. If the vehicle is low on transmission fluid, it can also cause a whining sound, accompanied by gear shifting problems and other habitual issues.

Know More

Full Answer

A qualified automotive technician can locate the source of whining sounds and diagnose contributory mechanical issues. A part of preventive maintenance is to have the transmission inspected every two years or 30,000 miles, and to have a transmission flush performed.

Transmissions contaminated with dirt and grease experience symptoms similar to transmission failure. A flush removes the dirty fluids, grime and residue from the converters and cooler lines, and it replaces it with fresh fluids. In some cars, this enhances the function and preserves the life of the transmission.

Keep in mind that some vehicles do not benefit from a transmission flush. With certain cars, a flush may cause damage to the transmission’s valves and seals. Car owners need to follow the instructions of the manufacturer to ensure the vehicle receives the proper preventive maintenance.

Learn More

Related Questions

  • Q:

    What does a transmission control solenoid do?

    A:

    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.

    Full Answer >
    Filed Under:
  • Q:

    How does a Tiptronic transmission work?

    A:

    A Tiptronic transmission can function as an automatic transmission or a manual transmission depending on which setting has been selected. Tiptronic devices often have special performance settings to give the driver more control over a vehicles performance and make automatic mode feel more like a sports car.

    Full Answer >
    Filed Under:
  • Q:

    What is a transmission control module?

    A:

    A transmission control module is a mechanism that regulates a vehicle's automatic transmission by processing electrical signals. Sensors electronically send information to the transmission control module, and this information is used to calculate gear shifting. The transmission control module helps the vehicle's transmission work efficiently and dependably.

    Full Answer >
    Filed Under:
  • Q:

    How does an automatic transmission work?

    A:

    An automatic transmission works by using a system of planetary gears that lock and unlock to accomplish gear changes. Automatic transmissions use a torque converter, rather than a clutch, to disconnect the transmission from the engine when the car is coming to a stop.

    Full Answer >
    Filed Under:

Explore