A faulty seal of the torque converter will result in the transmission fluid to leak out from the torque converter, and thus the strain Within the converter will be lost. In case the torque converter is defective, it'd produce unpredicted pressures In the torque converter, which may induce tough idling. https://trentonenrtv.therainblog.com/32897592/not-known-factual-statements-about-torque-converter-clutch