After draining the coolant from the radiator, you can remove the air cleaner assembly, the Mass Air Flow (MAF) sensor, the upper fan shroud, the drive belt, the fan, and the fan blade clutch assembly. Then you can remove the coolant pump pulley bolts and the pulley. Next, you can disconnect the coolant bypass hose, the clamps, and the radiator hoses. Then you can remove the four coolant pump bolts, the coolant pump, and the gaskets. After that, you can inspect all the parts.