To service and repair the coolant line/hose, first disconnect the negative
Battery Cable off from the battery terminal. Then, take out the air cleaner assembly, then drain the engine cooling system. Begin to remove the coolant recovery reservoir/surge tank and the upper
Fan Shroud. Unplug the by-pass hose from the
Water Pump for the given types of engines: 4.3l, 5.0/5.7l, 7. 4l, and 6.5l diesel; remove the by-pass hose from the vehicle. For installation, begin by re-installing the by-pass hose on to the vehicle, joining it to the Water Pump for the 6.5l diesel, 7.4l, and 4.3l and 5.0/5.7l engines respectively. After that, install the upper Fan Shroud and the coolant recovery reservoir/surge tank. Fill the engine cooling system back and lastly reinstall the air cleaner assembly then go back and reattach the negative Battery Cable on the battery terminal.