Lincoln Aviator: Engine System - General Information / General Procedures - Camshaft Surface Inspection
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Inspect the camshaft lobes for pitting or damage in the
active area. Minor pitting is acceptable outside the active area. The
active area includes the opening ramp and closing ramp. The opening ramp
is the point where the lifter just begins to lift until the point it
reaches the nose of the lobe. The closing ramp is the point from the
nose back down to the lash point. The base circle of the camshaft is not
the active area.
Check
NOTE:
Refer to the appropriate Section 303-01 for the specification.
NOTE:
The crankshaft connecting rod journals must be
within specifications to check the connecting rod bearing journal
clearance...
Other information:
Special Tool(s) /
General Equipment
12” / 300mm C-Clamp
Removal
WARNING:
Service actions on vehicles equipped with electronic brake
booster and electronic parking brakes may cause unexpected brake
application, which could result in injury to hands or fingers...
Removal
WARNING:
Before beginning any service procedure in this
section, refer to Safety Warnings in section 100-00 General Information.
Failure to follow this instruction may result in serious personal
injury.
Refer to: Health and Safety Precautions (100-00 General Information, Description and Operation)...