Expedition 4WD V8-4.6L SOHC VIN W (1999)
4.
Disconnect the Engine Coolant Temperature (ECT) Sensor coolant supply hose from the throttle body (Figure 1).
5.
Reconnect the ECT Sensor coolant supply hose to PCV valve heated fitting (use nipple that points nearly horizontal, Figure 2).
6.
Install and connect the new hose from the heated PCV valve fitting (points nearly upward, Figure 2) to the throttle body fitting where the ECT
Sensor coolant supply hose was disconnected.
7.
Refill the system with the drained off coolant, bleed system, and check level.
