Ford F150 Pickup. Instruction — part 801

3. Install the thermostat.

1. Install the thermostat.

2. Install a new O-ring seal.

Fig. 119: Installing Thermostat & O-Ring Seal - 5.4L
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. 120: Installing Thermostat Housing - 5.4L
Courtesy of FORD MOTOR CO.

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

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

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

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

2003 Ford Pickup F150

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

Fig. 121: Identifying Intake Manifold Bolt Tightening Sequence - 5.4L
Courtesy of FORD MOTOR CO.

6. Position the generator and install the lower mounting bolts.

2003 Ford Pickup F150

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

Fig. 122: Installing Generator Lower Mounting Bolts - 5.4L
Courtesy of FORD MOTOR CO.

7. Install the generator upper mounting bracket.

2003 Ford Pickup F150

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