Navigator 4WD V8-5.4L (2010)
5. NOTICE: If the components are to be reinstalled, they must be installed in the same positions. Failure to follow this instruction 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 See: Cylinder Head Assembly/Service and Repair/Removal
and Replacement/Cylinder Head - Removal.
NOTE: It may be necessary to push the valve down while compressing the spring.
NOTE: Lubricate the camshaft roller followers with clean engine oil prior to installation.
Using the Valve Spring Compressor, compress the valve spring and install the camshaft roller follower.
6. Install the spark plug. For additional information, refer to Engine Ignition - 5.4L (3V).
LH cylinder head valve seals
7. Install the LH valve cover. For additional information, refer to Valve Cover - LH See: Cylinder Head Assembly/Valve Cover/Service and
Repair/Valve Cover - LH.
RH cylinder head valve seals
8. Install the RH valve cover. For additional information, refer to Valve Cover - RH See: Cylinder Head Assembly/Valve Cover/Service and
Repair/Valve Cover - RH.
