An apparatus comprising: a motor (112, 204) having a first side and a second side, the motor (112, 204) including: a stator; a rotor comprising a hollow shaft that defines a shaft inlet and a shaft outlet, wherein the shaft outlet is in fluid communication with the internal motor cavity; and a housing (210, 402, 404) around the stator and rotor and defining an internal motor cavity; an electronic control unit connected to the first side of the motor (112, 204); a mechanical pump connected to the second side of the motor (112, 204), the mechanical pump comprising a first pump inlet, a second pump inlet, a third pump inlet, and a pump outlet; a first fluid passageway through the mechanical pump from the first pump inlet to the pump outlet; a second fluid passageway through the mechanical pump from the internal motor cavity to the pump outlet via the second pump inlet; a third fluid passageway through the mechanical pump from the third pump inlet to the shaft inlet; and a bypass inlet in fluid communication with the internal motor cavity, wherein: a first fluid flow path extends from the first pump inlet through the first fluid passageway to the pump outlet; a second fluid flow path extends from the third pump inlet through the third passageway, the hollow shaft, the internal motor cavity, and the second passageway to the pump outlet; and a third fluid flow path extends from the bypass inlet through the internal motor cavity and the second fluid passageway to pump outlet. a motor (112, 204) having a first side and a second side, the motor (112, 204) including: a stator; a rotor comprising a hollow shaft that defines a shaft inlet and a shaft outlet, wherein the shaft outlet is in fluid communication with the internal motor cavity; and a housing (210, 402, 404) around the stator and rotor and defining an internal motor cavity; a stator; a rotor comprising a hollow shaft that defines a shaft inlet and a shaft outlet, wherein the shaft outlet is in fluid communication with the internal motor cavity; and a housing (210, 402, 404) around the stator and rotor and defining an internal motor cavity; an electronic control unit connected to the first side of the motor (112, 204); a mechanical pump connected to the second side of the motor (112, 204), the mechanical pump comprising a first pump inlet, a second pump inlet, a third pump inlet, and a pump outlet; a first fluid passageway through the mechanical pump from the first pump inlet to the pump outlet; a second fluid passageway through the mechanical pump from the internal motor cavity to the pump outlet via the second pump inlet; a third fluid passageway through the mechanical pump from the third pump inlet to the shaft inlet; and a bypass inlet in fluid communication with the internal motor cavity, wherein: a first fluid flow path extends from the first pump inlet through the first fluid passageway to the pump outlet; a second fluid flow path extends from the third pump inlet through the third passageway, the hollow shaft, the internal motor cavity, and the second passageway to the pump outlet; and a third fluid flow path extends from the bypass inlet through the internal motor cavity and the second fluid passageway to pump outlet. a first fluid flow path extends from the first pump inlet through the first fluid passageway to the pump outlet; a second fluid flow path extends from the third pump inlet through the third passageway, the hollow shaft, the internal motor cavity, and the second passageway to the pump outlet; and a third fluid flow path extends from the bypass inlet through the internal motor cavity and the second fluid passageway to pump outlet.