Valve Seals: Installation

NOTE: Lubricate the valve seal and valve stem with clean engine oil prior to installation.

Position a new valve seal onto the valve stem.
Using the special tool, install the new valve seal.

Fig 1: Installing Valve Seal Using Special Tool (303-383)

Courtesy of FORD MOTOR CO.

Using the special tool, install the valve spring, the valve spring retainer and the valve spring retainer keys.

Fig 2: Compressing Valve Spring With Special Tool (303-1039)

Courtesy of FORD MOTOR CO.

Relieve the air pressure from the cylinder.

CAUTION: If the components are to be reinstalled, they must be installed in the same positions. Failure to follow these instructions may result in engine damage.

NOTE: Do not allow the valve keepers to fall off of the valve or the valve may drop into the cylinder. If a valve drops into the cylinder, the cylinder head must be removed. For additional information, refer to Cylinder Head .

NOTE: It may be necessary to push the valve down while compressing the spring.

NOTE: Lubricate the camshaft roller follower with clean engine oil prior to installation.

Using the special tool, compress the valve spring and install the camshaft roller follower.

Fig 3: Identifying Special Tool (303-1039) For Removing/Installing Camshaft Roller Followers

Courtesy of FORD MOTOR CO.

Install the spark plug. For additional information, refer to ENGINE IGNITION - 5.4L (3V) article.
Depending on the valve being serviced, install the LH or RH valve cover. For additional information, refer to Valve Cover - LH or Valve Cover - RH .