Navigator 2WD V8-5.4L (2007)
7. Remove the valve spring retainer and the valve spring.
8. Inspect the valve spring.
Installation
1. Using the special tool, install the valve spring, the valve spring retainer and the valve spring retainer keys.
2. Relieve the air pressure from the cylinder.
3. 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.
4. Install the spark plug. For additional information, refer to Ignition System.
5. Depending on the valve spring being serviced, install the LH or RH valve cover.
