The torque converter clutch comes into motion to mitigate the inherent inefficiency in the fluid coupling at larger speeds. A common issue would be that the bearings from the torque converters are worn. This does not induce slippage or other transmission troubles, but might cause bearing noises from the transmission. https://torqueconverterclutch87306.blog-a-story.com/15053407/top-latest-five-torque-converter-clutch-urban-news