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
Interior Trim Remover
Removal
NOTE:
LH (left-hand) side shown, RH (right-hand) side similar.
Remove the driver door window control switch and bezel as an assembly.
Release the clips...
System Operation
Cold Start Emission Reduction Monitor
The
cold start emission reduction monitor is an on board strategy designed
for vehicles that meet the low emissions vehicle-II (LEV-II) emissions
standards. The monitor works by detecting the lack of catalyst warm up
resulting from a failure to apply sufficient cold start emission
reduction during a cold start...