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:
The design of the system is to aid you in
detecting vehicles that could have entered
the detection area zone (A). The detection
area is on both sides of your vehicle and
trailer, extending rearward from the exterior
mirrors to the end of your trailer...
Special Tool(s) /
General Equipment
Hydraulic Press
Removal
Remove the wheel bearing and wheel hub.
Refer to: Wheel Bearing and Wheel Hub (204-02 Rear Suspension, Removal and Installation).
Refer to: Wheel Bearing and Wheel Hub (204-02 Rear Suspension, Removal and Installation)...