Ford F150 Pickup. Manual — part 819

Fig. 191: Disconnecting LH Radio Interference Capacitor
Courtesy of FORD MOTOR CO.

11. Lift the engine control wiring harness off of the valve cover studs.

NOTE:

The intake manifold is removed for clarity.

NOTE:

The bolts are part of the valve cover and should not be
removed.

2003 Ford Pickup F150

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

Fig. 192: Removing LH Valve Cover
Courtesy of FORD MOTOR CO.

12. Remove the LH valve cover.

Fully loosen the bolts and remove the valve cover.

Clean the valve cover mating surface of the cylinder head with silicone gasket remover
and metal surface prep. Follow the directions on the packaging.

Inspect the valve cover gasket. If the gasket is damaged, remove and discard the
gasket. Clean the valve cover gasket groove with soap and water or a suitable solvent.

Installation

All Vehicles

1. If a new gasket is being installed, apply instant adhesive completely around the gasket

groove in the valve cover. Install the new valve cover gasket.

2003 Ford Pickup F150

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

Fig. 193: Applying Adhesive Around Gasket Groove In LH Valve Cover
Courtesy of FORD MOTOR CO.

NOTE:

If not secured within four minutes, the sealant must be
removed and the sealing area cleaned. To clean the sealing
area, use silicone gasket remover and metal surface prep.
Follow the directions on the packaging. Failure to follow this
procedure can cause future oil leakage.

2003 Ford Pickup F150

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

Fig. 194: Applying Silicone Gasket & Sealant To Surface Of Front Cover
Courtesy of FORD MOTOR CO.

2. Apply a bead of silicone gasket and sealant in two places where the engine front cover

meets the cylinder head.

3. Position the valve cover and the valve cover gasket on the cylinder head, and loosely install

the bolts.

2003 Ford Pickup F150

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