Navigator 2WD V8-5.4L (2007)
CAUTION: If the components are to be reinstalled, they must be installed in the same positions. Mark the components for locations.
NOTE: If a valve drops into the cylinder, remove the cylinder head.
Using the special tool, compress the valve spring and remove the valve spring retainer keys.
7. Remove the valve spring retainer, the valve spring and the valve seal.
^
Discard the valve seal.
8. Inspect the components.
Installation
1. NOTE: Lubricate the valve seal and valve stem with clean engine oil prior to installation.
Position a new valve seal onto the valve stem.
2. Using the special tool, install the new valve seal.
3. Using the special tool, install the valve spring, the valve spring retainer and the valve spring retainer keys.
4. Relieve the air pressure from the cylinder.
5. CAUTION: If the components are to be reinstalled, they must be installed in the same positions. Mark the components for installation
into the original locations.
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.
