Posted on 9/26/2025
Smooth shifting is something most drivers take for granted, until it isn’t. If your vehicle hesitates, jerks, or vibrates when changing gears, there could be a problem within your automatic transmission system. One of the most overlooked yet critical components affecting shift quality is the torque converter. When it starts failing, rough shifts are often one of the first warning signs. We’ll explain how the torque converter works, the symptoms of failure, and why addressing the issue early can save you from costly repairs. What Does the Torque Converter Do In an automatic transmission, the torque converter plays a crucial role in transferring engine power to the transmission smoothly. It acts like a fluid coupling between the engine and the transmission, allowing your vehicle to idle while in gear and providing seamless acceleration. Inside the converter are several components, including the impeller, turbine, stator, and lockup clutch, all working tog ... read more