Toyota 16400-75181 Radiator Assembly

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Disconnect the negative battery cable. Caution: If the stereo in your vehicle is equipped with an anti-theft system, make sure you have the correct activation code before disconnecting the battery. Drain the coolant into a container. Detach the upper and lower radiator hoses from the radiator. If the hoses stick, twist them with a pair of large pliers to break the bond, but be careful not to damage the fittings on the radiator. Disconnect the reservoir hose from the radiator filler neck. Disconnect the air pipe from the top of the radiator. Remove the cooling fan and fan shroud. If equipped with an automatic transmission, disconnect the cooler lines from the radiator. Place a drip pan to catch the fluid and cap the fittings. Remove the battery and the battery tray if it will interfere with removal of the radiator. Remove the radiator grille. Remove the radiator mounting bolts. Lift out the radiator. Be aware of dripping fluids and the sharp fins. With the radiator removed, it can be inspected for leaks, damage and internal blockage. If in need of repairs, have a radiator shop or dealer service department perform the work as special techniques are required. Bugs and dirt can be cleaned from the radiator with compressed air and a soft brush. Don't bend the cooling fins as this is done. Installation is the reverse of the removal procedure. After installation, fill the cooling system with the proper mixture of antifreeze and water. Start the engine and check for leaks. Allow the engine to reach normal operating temperature, indicated by both radiator hoses becoming hot. Recheck the coolant level and add more if required. On automatic transmission equipped models, check and add fluid as needed. On most models, the coolant reservoir simply pulls up and out of the bracket next to the battery. Pour the coolant into a container. Wash out and inspect the reservoir for cracks and chafing. Replace it if damaged. Installation is the reverse of removal.