overhaul kit 5et50 evt cvt hybridOverhaul Kit 5ET50 EVT (CVT Hybrid) The GM code for the second generation Voltec powertrain drive unit (transaxle) is 5ET50.[23] Compared to the first generation 4ET50 55 transaxles, the overall design has shifted closer to being a parallel hybrid, running more often using mechanical power from the engine supplemented by the electric motors in hybrid mode. A second planetary gear set has been added and the planetary gears are interconnected by