Worn-Out Clutch Lining: The clutch lining inside the torque converter is chargeable for participating and disengaging the transmission. Use and tear about the clutch lining may result in slippage, shuddering, and decreased performance. As you could see, there in no immediate (mechanical) relationship amongst the impeller along with the turbine. https://torqueconverterclutch33444.verybigblog.com/33195137/the-ultimate-guide-to-torque-converter-clutch