Some more mature American cars have a canopy plate that you can remove to inspect the torque converter, but Despite them, you won't see A lot as the torque converter is a sealed unit. Contaminated Transmission Fluid: Transmission fluid performs a significant function in lubricating and cooling the torque converter. https://josuedijjh.blogtov.com/14748461/the-ultimate-guide-to-torque-converter-clutch