Ford F150 Pickup. Instruction — part 1031

Fig. 33: Removing EGR Valve To Exhaust Manifold Tube Upper Fitting
Courtesy of FORD MOTOR CO.

6. Remove the upper radiator hose from the lower intake manifold.

7. Disconnect the Intake Manifold Runner Control (IMRC) electrical connector and the fuel

pressure regulator vacuum line.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

Fig. 34: Disconnecting Intake Manifold Runner Control Electrical Connector & Fuel
Pressure Regulator Vacuum Line
Courtesy of FORD MOTOR CO.

8. Disconnect the fuel lines. For additional information, refer to FUEL SYSTEMS .

9. Disconnect the water bypass hose and the heated Positive Crankcase Ventilation (PCV)

system heater water hose.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

Fig. 35: Disconnecting Water Bypass Hose & Heated Positive Crankcase Ventilation
System Heater Water Hose
Courtesy of FORD MOTOR CO.

NOTE:

Remove the lower intake manifold including the fuel injection
supply manifold, the fuel injectors and the IMRC.

NOTE:

If a new lower intake manifold will be installed, the fuel
injection supply manifold, fuel injectors and the IMRC will need
to be transferred. For additional information, refer to FUEL
SYSTEMS for the fuel supply manifold and fuel injectors and
FUEL SYSTEMS for the IMRC.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

Fig. 36: Identifying Lower Intake Manifold Bolts
Courtesy of FORD MOTOR CO.

10. Remove the (A) long lower intake manifold bolts, the (B) short lower intake manifold bolts

and remove the lower intake manifold.

11. Remove and discard the lower intake manifold sealing components.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup