Toyota Lexus Is250, Is220D. Gse20 Ale204GR-FSE COOLING COOLING SYSTEM PARTS LOCATION SYSTEM DIAGRAM ON-VEHICLE INSPECTION COOLANT ON-VEHICLE INSPECTION WATER PUMP COMPONENTS REMOVAL INSTALLATION INSPECTION THERMOSTAT COMPONENTS REMOVAL INSTALLATION INSPECTION COOLING FAN MOTOR ON-VEHICLE INSPECTION COOLING FAN RELAY ON-VEHICLE INSPECTION RADIATOR COMPONENTS ON-VEHICLE INSPECTION ON-VEHICLE CLEANING REMOVAL DISASSEMBLY REASSEMBLY INSTALLATION