Ford F150 Pickup. Instruction - part 1293

3. Clean all mating surfaces. Install lower manifold gaskets. Install NEW bolts by hand in positions 7-12 

first, then in positions 1-6. See Fig. 42 . Tighten fasteners in order to specification. See TORQUE 
SPECIFICATIONS . To complete installation, reverse removal procedure. Fill and bleed the engine 
cooling system.  

Fig. 39: Locating Water Temperature Indicator Sender Electrical Connector (5.4L 4V) 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Removal & Installation - Blackwood, Expedition, F150 Pickup & Navigator - Gasoline

  

Fig. 40: Locating Fuel Injector Pressure Regulator Vacuum Hose (5.4L 4V) 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Removal & Installation - Blackwood, Expedition, F150 Pickup & Navigator - Gasoline

  

Fig. 41: Locating Radio Ignition Interference Capacitor Bolts (5.4L 4V) 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Removal & Installation - Blackwood, Expedition, F150 Pickup & Navigator - Gasoline

  

Fig. 42: Lower Intake Manifold Tightening Sequence (5.4L 4V) 
Courtesy of FORD MOTOR CO. 

INTAKE MANIFOLD TUNING VALVE 

See INTAKE MANIFOLD TUNING VALVE under MOTORS, RELAYS & SOLENOIDS. 

SUPERCHARGER 

 

2003 Ford Pickup F150 

2003 ENGINE PERFORMANCE Removal & Installation - Blackwood, Expedition, F150 Pickup & Navigator - Gasoline