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What are the symptoms of a faulty dual-clutch transmission valve body?

1 Answers

DawsonMarie

07/29/25 5:21pm

Symptoms of a faulty transmission valve body include the reverse gear not engaging, warning lights on the dashboard indicating solenoid valve failure, occasional failure of the forward gear to engage, and jerky shifting in forward gears. These are all signs of a malfunctioning transmission. An automatic transmission, as opposed to a manual transmission, is a gear-shifting device that can automatically change gears based on the vehicle's speed and engine RPM. Currently, there are four common types of automatic transmissions in vehicles: hydraulic automatic transmission (AT), continuously variable transmission (CVT), automated manual transmission (AMT), and dual-clutch automatic transmission. Here are the specific details: 1. Continuously Variable Transmission (CVT): The characteristic of a mechanical continuously variable transmission is that the gear ratio is not a series of discrete points but a continuous range of values, which better coordinates the vehicle's external driving conditions with the engine load. This allows the engine to perform optimally, improving the vehicle's fuel economy and providing seamless traction performance, thereby significantly enhancing overall vehicle performance. 2. Automated Manual Transmission (AMT): The automated manual transmission is an improvement on the traditional manual gear transmission, combining the advantages of both AT (automatic) and MT (manual) transmissions into an integrated electromechanical-hydraulic automatic transmission. AMT retains the benefits of hydraulic automatic transmissions for automatic shifting while maintaining the high efficiency, low cost, simple structure, and ease of manufacturing of the original manual transmission's gear drive system.

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