Ford F150 Pickup. Instruction — part 1053

Fig. 121: Connecting Crankshaft Sensor Electrical Connector
Courtesy of FORD MOTOR CO.

16. Install the crankshaft sensor shield.

17. Lower the vehicle.

18. Connect the battery ground cable. For additional information, refer to BATTERY,

MOUNTING AND CABLES - F150 PICKUP .

19. Install the lower radiator hose, the fan shroud and the upper radiator hose. For additional

information, refer to ENGINE COOLING .

20. Install the engine air cleaner. For additional information, refer to AIR INDUCTION

SYSTEMS .

21. Refill the cooling system. For additional information, refer to ENGINE COOLING .

22. Install the oil pan drain plug and fill the engine with clean engine oil.

23. Start the engine and check for leaks.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

VALVE SPRING

Special Tool(s)

Fig. 122: Identifying Special Tool(s)
Courtesy of FORD MOTOR CO.

Material

Fig. 123: Material Specification
Courtesy of FORD MOTOR CO.

Removal

1. Remove the valve cover. For additional information, refer to VALVE COVER LH and

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

VALVE COVER RH .

2. Rotate the crankshaft until the piston for the valve being worked on is at the top of its stroke

with both the (A) intake valve and the (B) exhaust valve closed.

Fig. 124: Identifying Intake Valve & Exhaust Valve Closed Position
Courtesy of FORD MOTOR CO.

3. Hold the valve in the cylinder head.

Remove the spark plug. For additional information, refer to SPARK PLUGS .

Apply a minimum of 965 kPa (140 psi) of compressed air to the cylinder.

CAUTION: If the components are to be reinstalled, they must be

installed in the same position. Mark the components for

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

location.

CAUTION: If a valve drops into the cylinder, remove the cylinder

head. For additional information refer to CYLINDER
HEAD .

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup