Some older American vehicles have a cover plate which you can take away to examine the torque converter, but Despite having them, you won't see Significantly because the torque converter is a sealed device. The most common symptom of a foul torque converter is often a slipping transmission during acceleration. https://torqueconverterclutch28405.dreamyblogs.com/34610887/the-smart-trick-of-torque-converter-clutch-that-nobody-is-discussing