Ford F150 Pickup. Instruction — part 787

Fig. 64: Installing Upper Intake Manifold

2003 Ford Pickup F150

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

Courtesy of FORD MOTOR CO.

3. Connect the intake manifold tuning valve electrical connector.

Fig. 65: Connecting Intake Manifold Tuning Valve Electrical Connector
Courtesy of FORD MOTOR CO.

4. Install the thermostat.

1. Install the thermostat.

2. Install a new O-ring seal.

2003 Ford Pickup F150

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

Fig. 66: Installing Thermostat
Courtesy of FORD MOTOR CO.

NOTE:

The thermostat housing bolts are tightened in sequence with
the intake manifold bolts.

2003 Ford Pickup F150

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

Fig. 67: Installing Thermostat Housing
Courtesy of FORD MOTOR CO.

5. Install the thermostat housing and loosely install the bolts.

6. Tighten the 11 bolts in two stages in the sequence shown.

1. Stage 1: Tighten to 2 Nm (18 lb-in).

2. Stage 2: Tighten to 25 Nm (18 lb-ft).

2003 Ford Pickup F150

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