The valve body is another part that is essential to a modern automatic transmission. This piece receives the fluid that is  from the torque converter and runs it through a series of spring loaded valves, which measure the pressure placed on them. This allows the transmission to be able to tell when the engine is running at a high RPM and in need of an upshift in order to maintain an efficient balance. When the pressure is released, a different set of valves open, signaling to the transmission that it is time to downshift. Valve bodies and torque converters are much more complex than the mechanicals inside a manual transmission, and thus are more expensive to repair when something goes wrong. It is always best to have your car serviced as soon as you notice anything wrong, so once you experience any issues, make an appointment for service at Lucas Auto Care right away.

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