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:
Special Tool(s) /
General Equipment
Resistance Spotwelding Equipment
Spot Weld Drill Bit
Locking Pliers
Removal
NOTE:
Vehicles equipped with a roof opening panel will use the rear most reinforcement only.
WARNING:
Before beginning any service procedure in this
manual, refer to health and safety warnings in section 100-00 General
Information...
Removal
Remove the driver knee airbag.
Refer to: Driver Knee Airbag (501-20B Supplemental Restraint System, Removal and Installation).
Remove the driver side register air discharge tempreature sensor.
Disconnect the electrical connector...