Some more mature American vehicles have a canopy plate which you could take out to inspect the torque converter, but Despite them, you will not see much because the torque converter can be a sealed unit. The most typical symptom of a bad torque converter is actually a slipping transmission https://trevoradbaw.blog-kids.com/34464794/how-torque-converter-clutch-can-save-you-time-stress-and-money