Lincoln Aviator: Engine System - General Information / General Procedures - Valve Stem Diameter
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
-
Measure the diameter of each intake and exhaust valve
stem at the points shown. Verify the diameter is within specification.
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
NOTE:
Valve guides tend to wear in an hourglass pattern.
The ball gauge can be inserted into the combustion chamber side of the
valve guide, if necessary...
Other information:
Removal
NOTE:
If installing a new IPMB,
it is necessary to upload the module configuration information to the
scan tool prior to removing the module. This information must be
downloaded into the new IPMB after installation.
Using a diagnostic scan tool, begin the PMI process for the IPMB following the onscreen instructions
Remove the front scuff plate trim panel...
Activation
With the vehicle in NEUTRAL, position it on a hoist.
Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
If equipped.
Torque:
21 lb.ft (28 Nm)
Remove the drain plug and drain the fluid...