The torque converter clutch will come into motion to mitigate the inherent inefficiency of the fluid coupling at bigger speeds. Although they're not all doable signals, they are the most common kinds. Here's a more detailed listing of the signs of a foul or failing torque converter to search for: https://rowanahlmn.eedblog.com/34351471/the-basic-principles-of-torque-converter-clutch