How Do You Replace A Heater Core For A Ford Ranger?
The heater core on a Ford Ranger pickup works in conjunction with the engine’s cooling system to provide heated air for the passenger cabin. The heater core is a small radiator mounted in the passenger side of the dash. Heated engine coolant travels from the engine through a heater hose to the core. Air is blown across the core by the heater fan. This heated air is then directed to either the floor, dash or defroster vents. Disconnect the ground cable from the negative battery terminal. Loosen the retaining bolt using a wrench. Then pull the clamp off the terminal. Locate the petcock valve on the lower right corner of the radiator and place a waste oil collection pan underneath it. Open the petcock valve by turning it counterclockwise with needle nose pliers. Close the petcock valve by turning it clockwise with the needle nose pliers after all the coolant has drained out. Loosen the two hose clamps that secure the heater hoses to the heater core inlet and outlet tubes using a Phillips
