1AZ-FE COOLING COOLING SYSTEM ON-VEHICLE INSPECTION COOLING FAN SYSTEM PARTS LOCATION SYSTEM DIAGRAM ON-VEHICLE INSPECTION COOLANT REPLACEMENT WATER PUMP COMPONENTS ON-VEHICLE INSPECTION REMOVAL INSTALLATION THERMOSTAT COMPONENTS REMOVAL INSPECTION INSTALLATION COOLING FAN MOTOR COMPONENTS ON-VEHICLE INSPECTION REMOVAL DISASSEMBLY REASSEMBLY INSTALLATION COOLING FAN RELAY ON-VEHICLE INSPECTION RADIATOR COMPONENTS ON-VEHICLE INSPECTION ON-VEHICLE CLEANING REMOVAL INSTALLATION