The impeller (one) is rotated via the crankshaft and it converts the mechanical Strength of your crankshaft into kinetic Power by putting the fluid in motion. Slippage consumes electricity in the coupling phase. Locking the converter shell on the turbine shaft prevents this slippage from happening. complete program speed: following https://torqueconverterclutch08630.blog-ezine.com/34113367/torque-converter-clutch-things-to-know-before-you-buy