An apparatus comprising: a motor having a first side and a second side, the motor 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 around the stator and rotor and defining an internal motor cavity ; an electronic control unit connected to the first side of the motor ; a mechanical pump connected to the second side of the motor , 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 having a first side and a second side, the motor 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 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 around the stator and rotor and defining an internal motor cavity ; an electronic control unit connected to the first side of the motor ; a mechanical pump connected to the second side of the motor , 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 . <EOS>