Circumstances of Very low launch oil pressure: Motor stall in gear or idle rpm biking, trans temp rise at idle in travel, very low cooler circulation, harsh Coastline downshifts, transmission lube circuit distress. The impeller (one) is rotated with the crankshaft and it converts the mechanical energy from the crankshaft https://torque-converter-clutch52738.bloggadores.com/33433662/torque-converter-clutch-no-further-a-mystery