Ford F150 Pickup. Instruction — part 861

Fig. 356: Installing Valve Stem Seals
Courtesy of FORD MOTOR CO.

1. Use the special tools to install the valve stem seals.

2. Install the valve springs. For additional information, refer to VALVE SPRINGS .

HYDRAULIC LASH ADJUSTER

Removal

1. Remove the camshaft roller followers. For additional information, refer to CAMSHAFT

ROLLER FOLLOWER .

NOTE:

The valve stem seal must be bottomed on the valve seat.

NOTE:

Make sure that the garter spring is present in the valve stem
seal.

2003 Ford Pickup F150

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

Fig. 357: Removing Valve Tappets
Courtesy of FORD MOTOR CO.

2. Remove the valve tappets (6500).

Installation

1. Install the valve tappets in their original locations.

NOTE:

The valve tappets are positional. Mark each valve tappet for
installation in its original location.

2003 Ford Pickup F150

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

Fig. 358: Installing Valve Tappets
Courtesy of FORD MOTOR CO.

2. Install the camshaft roller followers. For additional information, refer to CAMSHAFT

ROLLER FOLLOWER .

CAMSHAFT ROLLER FOLLOWER

Special Tool(s)

2003 Ford Pickup F150

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

Fig. 359: Identifying Special Tools
Courtesy of FORD MOTOR CO.

Removal

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

VALVE COVER RH .

2. Position the piston of the cylinder being repaired at the bottom of the stroke.

2003 Ford Pickup F150

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