Ford F150 Pickup. Manual — part 860

Courtesy of FORD MOTOR CO.

2. Install the special tool between the valve spring coils to prevent valve stem seal damage.

Fig. 352: Installing Special Tool Between Valve Spring Coils
Courtesy of FORD MOTOR CO.

3. Use the special tool to compress the valve spring. Install the valve spring retainer keys.

2003 Ford Pickup F150

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

Fig. 353: Installing Valve Spring Retainer Keys
Courtesy of FORD MOTOR CO.

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

ROLLER FOLLOWER .

5. Install the spark plug.

VALVE SEALS

Special Tool(s)

2003 Ford Pickup F150

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

Fig. 354: Identifying Special Tool(s)
Courtesy of FORD MOTOR CO.

Removal

1. Remove the valve springs. For additional information, refer to VALVE SPRINGS .

2. Remove the valve stem seals.

2003 Ford Pickup F150

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

Fig. 355: Removing Valve Stem Seals
Courtesy of FORD MOTOR CO.

Installation

2003 Ford Pickup F150

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