Ford F150 Pickup. Instruction — part 1094

Fig. 285: Removing Cylinder Block Dowels, Oil Gallery Plugs & Water Jacket Plugs
Courtesy of FORD MOTOR CO.

49. If necessary, remove the following:

1. the cylinder block dowels.

2. the oil gallery plugs.

3. the water jacket plugs.

DISASSEMBLY & ASSEMBLY OF SUBASSEMBLIES

CYLINDER HEAD

Special Tool(s)

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

Fig. 286: Identifying Special Tool(s)
Courtesy of FORD MOTOR CO.

Material

Fig. 287: Material Specification
Courtesy of FORD MOTOR CO.

Disassembly

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

in the same position. Mark the components removed for
location.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

1. Remove the spark plugs, if necessary.

2. Using the special tool, compress the valve springs.

Fig. 288: Compressing Valve Springs
Courtesy of FORD MOTOR CO.

3. Remove the following:

1. the valve spring retainer key.

2. the valve spring retainers.

3. the valve springs.

4. the valve stem seals and seats.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

Fig. 289: Removing Valve Spring Retainer Key, Retainers & Springs
Courtesy of FORD MOTOR CO.

4. Inspect the components. For additional information, refer to ENGINE SYSTEM -

GENERAL INFORMATION .

Assembly

1. To assemble, reverse the disassembly procedure.

PISTON

Special Tool(s)

CAUTION: Lubricate the parts with clean engine oil before installing.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup