Download INSTALLATION 1. Allow the engine and all cooling system components to cool down. 2. Place a clean drain pan under the radiator drain plug, then remove the drain plug from the bottom of the radiator to drain the coolant. Remove the radiator cap to increase the flow. NOTICE Radiator coolant will damage paint. Quickly rinse any spilled coolant from painted surfaces. 3. Remove the drain bolt and washer from the front of the engine block. Coolant remaining in the engine jackets will flow out of the bolt hole when the drain bolt is removed. Retain the bolt, it can be reused if the engine block heater is removed. NOTE: Use a new washer if the drain bolt is reinstalled. 4. Install the engine block heater with the aluminum washer into the hole using a 24 mm socket. Torque the engine block heater to 60 N·m (44 lb-ft). 5. Using a tape measure and white marker, measure and mark the heater harness at the measurements shown. 6. Plug the heater harness connector into the engine block heater, and secure the heater harness to the vehicle harness with one wire tie at the white mark. 7. Route the heater harness over the fan shroud and along the vehicle harness. Secure the heater harness to the fan shroud and vehicle harness with six wire ties. 8. Continue routing the heater harness along the vehicle harness and down to the bumper grille opening. Attach the protective cap to the bumper grille, and plug the heater harness connector into the protective cap. 9. Secure the heater harness to the vehicle harness with three wire ties. 10. Reinstall the radiator drain plug.