Can You Continue Driving with a Faulty Transmission Valve Body?

2 Answers
KyleLynn
07/24/25 1:46am
You should not continue driving if the transmission valve body is faulty. A malfunctioning transmission valve body can cause sticking issues. If there is a leak, it may lead to gear shift shocks during the transmission's shifting process, significantly reducing shifting efficiency and also causing a decrease in the vehicle's power. Here are specific details about the transmission valve body: 1. The transmission valve body is a hydraulic control unit. During operation, the spools on the valve body move left and right to change the direction and pressure of the hydraulic fluid, enabling the transmission to shift gears automatically. 2. Damage to the transmission valve body is more common in automatic transmissions. Automatic transmissions, as opposed to manual transmissions, allow the vehicle to shift gears automatically based on driving speed and engine RPM.
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DeSadie
08/10/25 9:22pm
As an experienced driver who frequently works on cars, I want to remind everyone that if there's an issue with the transmission valve body, you must not continue driving forcefully. The valve body acts as the commander of the transmission, controlling the flow of shift oil. Once it malfunctions, it can lead to sluggish shifting, slipping, or even complete transmission lock-up. I've personally witnessed a friend driving such a car on the highway, only to experience sudden acceleration failure, nearly causing a rear-end collision. Not only will repair costs skyrocket—from a few hundred yuan for minor fixes to tens of thousands for a full transmission replacement—but it also poses a serious safety risk. Therefore, if you notice any abnormalities like rough shifting or unusual noises, stop immediately for inspection or call a tow truck to a professional shop. Never take the risk of commuting or going on long trips with such issues. Regular maintenance of transmission fluid is also a key preventive measure.
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