Ford F150 Pickup. Manual — part 797

Fig. 104: Disconnecting Brake Booster Vacuum Tube - 5.4L
Courtesy of FORD MOTOR CO.

18. Remove the nut.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.6L & 5.4L - F150 Pickup

Fig. 105: Removing Crankcase Ventilation Tube Nut - 5.4L
Courtesy of FORD MOTOR CO.

19. Position the crankcase ventilation tube aside.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.6L & 5.4L - F150 Pickup

Fig. 106: Positioning Crankcase Ventilation Tube - 5.4L
Courtesy of FORD MOTOR CO.

20. Position the exhaust manifold to EGR valve tube aside.

Disconnect the upper fitting.

Loosen the lower fitting.

Disconnect the two differential pressure feedback EGR system hoses.

Position the tube aside.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.6L & 5.4L - F150 Pickup

Fig. 107: Disconnecting Exhaust Manifold To EGR Valve Tube - 5.4L
Courtesy of FORD MOTOR CO.

21. Relieve the fuel system pressure. For additional information, refer to FUEL SYSTEM

PRESSURE RELEASE , FUEL SYSTEM PRESSURE RELEASE or FUEL
SYSTEM PRESSURE RELEASE .

22. Disconnect the fuel hose spring lock couplings. For additional information, refer to FUEL

LINE CONNECTORS or FUEL LINE FITTINGS .

23. Remove the bolt and the differential pressure feedback EGR system bracket.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.6L & 5.4L - F150 Pickup