12. COOLING SYSTEM K-XCT 125i (2) RADIATOR REMOVAL Drain the coolant. Disconnect the siphon hose (1) and air bleed hose (2). (1) Loosen the hose bands, then disconnect the input radiator hose and output radiator hose from the radiator. Disconnect the thermal switch connectors . . Fan motor connector . Disconnect the fan motor connector. . 12-7