1. Slowly remove the pressure cap and save for later use, or better yet, purchase a new pressure cap designed specifically for your vehicle.
2. Drain the coolant from the system through the drain cock, if so equipped, or by removal of the bottom radiator hose. Replace the coolant with new coolant to protect your new radiator. Normal coolant replacement should be every (2) years. Be sure to discard used coolant in a safe manner and according to government disposal regulations. Failure to use the proper new coolant can void your warranty.
3. If the radiator has a transmission and/or engine oil cooler, use a line wrench to disconnect the lines from the radiator tanks. IMPORTANT!! BEFORE DISCONNECTING ANY OIL COOLER LINES BE SURE TO IDENTIFY WHERE THESE LINES ARE CONNECTED AND MARK THEM, SO THEY CAN BE RE-CONNECTED PROPERLY TO THE NEW RADIATOR. Care should be taken to avoid stripping the fittings or kinking the transmission or engine oil cooler fluid lines. To avoid fluid loss, block the ends of the lines after removing them from the radiator fittings.
4. Remove the upper mounting panel and associated sheet metal.
5. Remove the fan shroud or electric fan assembly screws and remove the part, or slide it back away from the radiator far enough to permit removal of the radiator.
6. Disconnect the radiator inlet and outlet hoses, and heater bypass hose (if so equipped) from the radiator hose fittings. Check for brittle or deteriorated hoses. NEW HOSES, CLAMPS, AND THERMOSTAT ARE STRONGLY RECOMMENDED
7. Remove any sensor fittings attached to the radiator tanks, noting the exact location so that proper replacement can be made with the new radiator.
8. Remove the top mounting insulators, or the bolts from the radiator mounting brackets, if so equipped.
9. Remove the radiator assembly from the vehicle. NOTE: The installation of some high capacity replacement radiators may require trimming of the rubber mounting insulators to facilitate installation.

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